Grammatical number

In linguistics, grammatical number is a feature of nouns, pronouns, adjectives and verb agreement that expresses count distinctions (such as "one", "two" or "three or more").^[1] English and other languages present number categories of singular or plural, both of which are cited by using the hash sign (#) or by the numero signs "No." and "Nos." respectively. Some languages also have a dual, trial and paucal number or other arrangements.

The word "number" is also used in linguistics to describe the distinction between certain grammatical aspects that indicate the number of times an event occurs, such as the semelfactive aspect, the iterative aspect, etc. For that use of the term, see "Grammatical aspect".

Overview

Most languages of the world have formal means to express differences of number. One widespread distinction, found in English and many other languages, involves a simple two-way number contrast between singular and plural (car/cars, child/children, etc.). Discussion of other more elaborate systems of number appears below.

Grammatical number is a morphological category characterized by the expression of quantity through inflection or agreement. As an example, consider the English sentences below:

That apple on the table is fresh.

Those two apples on the table are fresh.

The number of apples is marked on the noun—"apple" singular number (one item) vs. "apples" plural number (more than one item)—on the demonstrative, "that/those", and on the verb, "is/are". In the second sentence, all this information is redundant, since quantity is already indicated by the numeral "two".

A language has grammatical number when its nouns are subdivided into morphological classes according to the quantity they express, such that:

1. Every noun belongs to a unique number class (nouns are partitioned into disjoint classes by number).
2. Noun modifiers (such as adjectives) and verbs may also have different forms for each number class and be inflected to match the number of the nouns to which they refer (number is an agreement category).

This is partly the case in English: every noun is either singular or plural (a few forms, such as "fish" and "cannon", can be either, according to context), and at least some modifiers of nouns—namely the demonstratives, the personal pronouns, the articles, and verbs—are inflected to agree with the number of the nouns to which they refer: "this car" and "these cars" are correct, while "*this cars" or "*these car" are ungrammatical and, therefore, incorrect. However, adjectives are not inflected, and some verb forms do not distinguish between singular and plural ("She/They went", "She/They can go", "She/They had gone", "She/They will go"). Only count nouns can be freely used in the singular and in the plural. Mass nouns, like "milk", "silverware", and "wisdom", are normally used in only the singular form.^[2] (In some cases, a normally mass noun X may be used as a count noun to collect several distinct kinds of X into an enumerable group; for example, a cheesemaker might speak of goat, sheep, and cow milk as milks.) Many languages distinguish between count nouns and mass nouns.

Not all languages have number as a grammatical category. In those that do not, quantity must be expressed either directly, with numerals, or indirectly, through optional quantifiers. However, many of these languages compensate^{[clarification needed]} for the lack of grammatical number with an extensive system of measure words.

There is a hierarchy among number categories: no language distinguishes a trial (indicating the number 3) unless it has a dual, and no language has a dual without a plural.^{[3][page needed]}

Geographical distribution

Obligatory plural marking of all nouns is found throughout western and northern Eurasia and in most parts of Africa. The rest of the world presents a heterogeneous picture. Optional plural marking is particularly common in Southeast and East Asia and Australian languages, and complete lack of plural marking is particularly found in New Guinea and Australian languages. In addition to the areal correlations, there also seems to be at least one correlation with morphological typology: isolating languages appear to favor no or non-obligatory plural marking. This can be seen particularly in Africa, where optionality or absence of plural marking is found particularly in the isolating languages of West Africa.^[4][5]

Number in specific languages

Basque

Basque declension has four grammatical numbers: indefinite, definite singular, definite plural, and definite close plural:

• The indefinite is used after the question words Zer? ("What?"), Zein? ("Which?") and Zenbat? ("How much? / How many?"), after indefinite numerals, such as zenbait ("some"), hainbat ("several"), honenbeste / horrenbeste / hainbeste ("so many / so much"), bezainbeste ("as much as / as many as"), and before asko, anitz (this one can go before nouns), ugari, pilo bat, mordo bat, after makina bat ("much, many, a lot, lots of, plenty of..."), before gutxi ("a few, little") and batzuk ("some"), and the numbers, if they do not refer to a defined amount: Zer etxe eraberritu duzu? ("What house[s] have you renewed?"), Zer etxe eraberritu dituzu? ("What houses have you renewed?"). Zein etxetan bizi zinen? ("In what house[s] were you living?"). Zenbat etxe dituzu? ("How many houses have you got?"). Lapurrak hainbat etxetan sartu dira ("The thieves have broken into a number of houses"). Lapurra hainbeste etxetan sartu da! ("The thief has broken into so many houses!").

A noun followed by an adjective or a demonstrative is in the absolutive case, and the last word in the phrase is declined: Etxea ("The house / House"). Etxe bat ("A house"). Etxe handi bat ("A big house"). Etxe handi batean ("In a big house"). Etxe handi hori ("That big house"). Etxe zuri handi horretan ("In that big white house").

If the amount is known, the plural grammatical numbers are used: Lapurrak bi etxetan sartu dira ("The thieves have broken in two houses" [indefinite: the houses are unknown to the speakers]). Lapurrak bizpahiru etxetan sartu dira ("The thieves have broken in two or three houses" [indefinite: the speakers does not know the exact amount of houses]). Lapurrak bi etxeetan sartu dira ("The thieves have broken in both houses" [definite plural: both are known to the speakers]). Lapurrak bi etxeotan sartu dira ("The thieves have broken in these two houses" [definite close plural: both are being shown by the speaker]).

The indefinite is also used in some idioms and set phrases: Egun on! ("Good day! / Good morning!"), On egin! ("Bon appetit!"), Etxez etxe ("From house to house"), Mezatara joan ("Go to the mass"), Etxe bila ibili ("To look for a house"), and as the root for compound words (etxe-galgarri, etxekalte, "Person or thing which brings loss to a home") or derivative words (etxeratu, "To go home / To send home"; etxekoi, "fond of home"; etxegile, "house-builder").

• The definite singular is used to designate a person or thing known or to present: Zer da eraikin hori? Nire etxea da. ("What is that building? It is my home"). Etxea nirea da ("The house is mine").

• The definite plural designates people or things known or present: Zer dira eraikin horiek? Nire etxeak dira. ("What are those buildings? They are my houses"). Etxeak nireak dira ("The houses are mine").

• The definite close plural refers to people or things which are in the vicinity of the speakers: Zer dira eraikinok? Nire etxeak dira. ("What are those buildings? They are my houses"). Etxeok nireak dira ("These houses are mine").

It is also used to include oneself in the group referred to: Nafarrak festazaleak dira ("The Navarrese like celebrations": the speaker is not a Navarrese). Nafarrok festazaleak gara ("We Navarrese like celebrations": the speaker is a Navarrese).

Verbs have four singular persons and three plural ones, as follows:

Singular:

• First person (the speaker): Euskalduna naiz ("I am Basque"). Testua idatzi dut ("I have written the text").
• Informal second person (the person the speaker is addressing to, i.e., an inferior, an animal, a child, a monologue with oneself): Euskalduna haiz ("Thou art Basque"). In some tenses, there are different verbs for a man or a woman: Testua idatzi duk ("Thou hast written the text [said to a man, a boy]", Testua idatzi dun ("Thou hast written the text [said to a woman, a girl]").
• Formal second person (the person the speaker is addressing to: a superior, somebody older, one's parents), the most frequent one: Euskalduna zara ("You [singular] are Basque"). Testua idatzi duzu ("You [sing.] have written the text").
• Third person (neither the speaker nor the listener): Handia da ("He / She / It is big"). Testua idatzi du ("He / She / It has written the text").

Plural:

• First person (the speaker and somebody else at least): Euskaldunak gara ("We are Basque"). Testua idatzi dugu ("We have written the text").
• Second person (the addressees): Euskaldunak zarete ("You [plural] are Basque [said to a group, either informally or formally]"). Testua idatzi duzue ("You [pl.] have written the text").
• Third person (more than one person outside the conversation): Handiak dira ("They are big"). Testua idatzi dute ("They have written the text").

English

Main article: English plural

English is typical of most world languages, in distinguishing only between singular and plural number. Singular corresponds to exactly one (or minus one), while plural applies to all other cases, including more and less than one or even 1.0.^[6] The plural form of a noun is usually created by adding the suffix -(e)s. The pronouns have irregular plurals, as in "I" versus "we", because they are ancient and frequently used words going back to when English had a well developed system of declension. English verbs distinguish singular from plural number in the third person present tense ("He goes" versus "They go"). Old English also contained dual grammatical numbers; Modern English retains a few residual terms reflective of dual number (such as both and neither, as opposed to all and none respectively), but they are generally considered to no longer constitute a separate grammatical number.

Finnish

Further information: Finnish grammar § Plurals

The Finnish language has a plural form of almost every noun case (except the comitative, which is formally only plural).

• talo – house
• talot – houses
• taloissa – in the houses

However, when a number is used, or a word signifying a number (monta- many), the singular version of the partitive case is used.

• kolme taloa – three houses

and where no specific number is mentioned, the plural version of the partitive case is used

• taloja

and in the possessive (genitive)

• talon ovi (the house's door)
• talojen ovet (the houses' doors)

French

In modern Romance languages, nouns, adjectives and articles are declined according to number (singular or plural only). Verbs are conjugated for number as well as person. French treats zero as using the singular number, not the plural.

In its written form, French declines nouns for number (singular or plural). In speech, however, the majority of nouns (and adjectives) are not declined for number. The typical plural suffix, -s or -es, is silent, no longer indicating a change in pronunciation. Spoken number marking on the noun appears when liaison occurs.

• some plurals do differ from the singular in pronunciation; for example, masculine singulars in -al [al] sometimes form masculine plurals in -aux [o].
• Proper nouns are not pluralized, even in writing. (Les voitures, but Les Peugeot 404)

Normally, the article or determiner is the primary spoken indicator of number.

Hebrew

In Modern Hebrew, a Semitic language, most nouns have only singular and plural forms, such as ספר /ˈsefeʁ/ "book" and ספרים /sfaˈʁim/ "books", but some have distinct dual forms using a distinct dual suffix (largely nouns pertaining to numbers or time, such as אלפיים /alˈpajim/ "two thousand" and שבועיים /ʃvuˈajim/ "two weeks"), some use this dual suffix for their regular plurals (largely body parts that tend to come in pairs, such as עיניים /eiˈnajim/ "eyes", as well as some that do not, such as שיניים /ʃiˈnajim/ "teeth"), and some are inherently dual (such as מכנסיים /mixnaˈsajim/ "pants" and אופניים /ofaˈnajim/ "bicycle"). Adjectives, verbs, and pronouns agree with their subjects' or antecedents' numbers, but only have a two-way distinction between singular and plural; dual nouns entail plural adjectives, verbs, and pronouns.

Mortlockese

The Mortlockese language of the Mortlock Islands uses a base 10 counting system. Pronouns, nouns and demonstratives are used exclusively in the singular and plural forms through the use of classifiers, suffixes and prefixes.^[7] There are no other dual or trial grammatical forms in the Mortlockese language.^[8] Different forms that can be used in the language include first person singular and plural words, second person singular words like "umwi," second person plural words like "aumi" used to refer to an outside group, and third person plural words.^[9]

Russian

Main article: Russian declension § Numerals

Modern Russian has a singular vs plural number system, but the declension of noun phrases containing numeral expressions follows complex rules. For example, "У меня (есть) одна книга/три книги/пять книг" ("I have one book-nom. sing./three book-gen. sing./five book-gen. plur."). See Dual number: Slavic languages for a discussion of number phrases in Russian and other Slavic languages.

The numeral "one" also has a plural form, used with pluralia tantum: одни джинсы/одни часы "one pair of jeans, one clock".^[10] The same form is used with countable nouns in meaning "only": Кругом одни идиоты "There are only idiots around".

Swedish

Swedish inflects nouns in singular and plural. The plural of the noun is usually obtained by adding a suffix, according to the noun's declension. The suffixes are as follows: -or in the 1st declension (e.g. flicka – flickor), -ar in the 2nd (e.g. bil – bilar), -er in the 3rd (e.g. katt – katter), -n in the 4th (e.g. äpple – äpplen) and no inflectional suffix is added for the nouns in the 5th declension (e.g. bord – bord). Verbs in Swedish do not distinguish singular from plural number, but adjectives do.

Wuvulu-Aua

Wuvulu is an Austronesian language spoken on Wuvulu Island located in the Manus Province of Papua New Guinea. The language's numbering system is multiplicative construction, where each number is based on multiplying pre-existing numbers smaller than five. Wuvulu is most similar to most Oceanic languages, and their numbering system is representative of some systems found in the Marshall Islands. For example, the number two in Wuvulu is roa, and the number four in both Proto-Oceanic language and Wuvulu is fa. Therefore, the number eight in Wuvulu is constructed from two and four, resulting in fainaroa, translating into "four multiply two". Moreover, the Wuvulu language has different numerical systems for animate objects and inanimate objects. When referencing an inanimate object, the number seven is oloompalo; however, if it is an animate object, the word changes to oloromea.^[11] The structure of a noun phrase looks like NP=(ART/DEMONSTRATIVE+)(NUMBER/QUANTIFIER+)(PREMODIFIERS+)NOUN(+MODIFER.) The number or quantifier appears in the middle of the noun phrase.^[12]

ex:

ʔi=na-tafi-ʔa

3SG=REAL-carve-TR

oloroa

six

wa

canoe

ʔi=na-tafi-ʔa oloroa wa

3SG=REAL-carve-TR six canoe

He carved six canoes.

Types of number

Singular versus plural

Main article: Plural

In most languages with grammatical number, nouns, and sometimes other parts of speech, have two forms, the singular, for one instance of a concept, and the plural, for more than one instance. Usually, the singular is the unmarked form of a word, and the plural is obtained by inflecting the singular. This is the case in English: car/cars, box/boxes, man/men. There may be exceptional nouns whose plural form is identical to the singular form: one sheep/two sheep (which is not the same as nouns that have only one number).

Singulative versus collective

Main article: Singulative number

Some languages differentiate between an unmarked form, the collective, which is indifferent in respect to number, and a marked form for single entities, called the singulative in this context. For example, in Welsh, moch ("pigs") is a basic form, whereas a suffix is added to form mochyn ("pig"). It is the collective form which is more basic, and it is used as an adjectival modifier, e.g. cig moch ("pig meat", "pork"). The collective form is therefore similar in many respects to an English mass noun like "rice", which in fact refers to a collection of items which are logically countable. However, English has no productive process of forming singulative nouns (just phrases such as "a grain of rice"). Therefore, English cannot be said to have a singulative number.

In other languages, singulatives can be regularly formed from collective nouns; e.g. Standard Arabic تفاح tuffāḥ "apple" → تفاحة tuffāḥah "(individual) apple", بقر baqar "cattle" → بقرة baqarah "(single) cow". In Russian, the suffix for forming singulative form is -ин- -in-; e.g. град grad "hail" → градина gradina "hailstone", лёд lyod "ice" → льдина l'dina "block of ice". In both Russian and Arabic, the singulative form always takes on the feminine gender.^{[clarification needed]} In Dutch, singulative forms of collective nouns are occasionally made by diminutives: snoep "sweets, candy" → snoepje "sweet, piece of candy". These singulatives can be pluralised like most other nouns: snoepjes "several sweets, pieces of candy".

Dual

Main article: Dual (grammatical number)

The distinction between a "singular" number (one) and a "plural" number (more than one) found in English is not the only possible classification. Another one is "singular" (one), "dual" (two) and "plural" (more than two). Dual number existed in Proto-Indo-European, persisted in many ancient Indo-European languages that descended from it—Sanskrit, Ancient Greek, Gothic, Old Norse, and Old English for example—and can still be found in a few modern Indo-European languages such as Slovene.^[13] Many more modern Indo-European languages show residual traces of the dual, as in the English distinctions both vs. all, either vs. any, neither vs. none, and so on. Former dual forms may broaden their meanings to become paucal forms: Norwegian både, for example, though cognate with English both, can be used with more than two things, as in X sparer både tid, penger, og arbeid, literally "X saves both time, money, and labour".

Many Semitic languages also have dual number. For instance, in Arabic all nouns can have singular, plural, or dual forms. For non-broken plurals, masculine plural nouns end with ون -ūn and feminine plural nouns end with ات -āt, whilst ان -ān, is added to the end of a noun to indicate that it is dual (even among nouns that have broken plurals).

Pronouns in Polynesian languages such as Tahitian exhibit the singular, dual, and plural numbers.

Palmerston Island English is perhaps unique in being a dialect of English with dual case pronouns, namely the first person inclusive 'yumi' and the third person 'himshe'.^[14]

The dual may be restricted to certain morphological categories. For example, in North Saami, in possessive forms the possessor has three numbers (singular, dual, plural) whereas the noun possessed only has two (singular, plural).

Trial

The trial number denotes three items. The Oxford English Dictionary lists no word that specifically refers to three items. Several Austronesian languages mark the trial with pronouns and bound person agreement markers, including Larike^[15] and the Oceanic languages of Mussau, Raga, and Anejom̃.^[16] Lihir even has distinct pronouns for trial and paucal.^[17] Trial pronouns have found their way into the Austronesian-influenced creole languages of Bislama^[18] and Tok Pisin.^[19] Trial pronouns can additionally be found in some Australian Aboriginal languages, such as Nunggubuyu^[20] and Bininj Kunwok.^[21]

Quadral and quintal

The quadral number denotes four items together. Likewise, the quintal number denotes five items together. It is contested whether any natural language truly has or has had either.

Quadral and quintal forms of pronouns have been attested in Tok Pisin.^[19][22] However, while these are grammatically possible, they are rare, and plural forms are almost always used in their place.

The quadral has been claimed to exist as a regular feature in the pronoun systems of several Austronesian languages, most notably Sursurunga,^[23] Tangga,^[24][25] and Marshallese.^[26][27] These languages all have a five-way distinction in grammatical number, which has been claimed to be singular/dual/trial/quadral/plural. However, it has also been noted that in all three cases, it is also possible to use the supposed quadral to refer to more than four. In Sursurunga, the "trial" actually refers to groups of three or four, or nuclear families of any size; the "quadral" is used for groups of four or more, or for two or more dyads. The Sursurunga grammatical number distinction has thus instead been categorized as singular/dual/paucal/greater paucal/plural. Tangga, as a closely related language, seems similar, although data is sparser. For Marshallese, there is consensus that the language has a true trial indicating exactly three. While its apparent quadral can mean exactly four, it also has an alternate rhetorical use in speeches to larger groups in order to impart a sense of individual intimacy.^[28]

However, there is not consensus this means that Marshallese does not truly have a quadral. Similar rhetorical uses are found in other languages: in Djambarrpuyngu, a singular/dual/plural language, the dual can also be used rhetorically for speeches to crowds,^[29] but it is still classified as a dual.^[30] The same is true of the dual in Paamese, a singular/dual/paucal/plural language.^[31] The most recent and comprehensive work on Marshallese grammar still refers to it as having a quadral.^[27]

Quadral pronoun forms have also been more recently claimed by Robert Blust to exist in some Kenyah languages, specifically the highland Lepoʼ Sawa dialect spoken in Long Anap.^[32] Corroborating data is lacking, and an investigation into the lowland Lebo’ Vo’ dialect has revealed a singular/dual/trial/paucal/plural system instead.^[33]

In some languages with a singular/dual/trial/plural pronoun system, the plural forms are etymologically related to the number four. This has led to suggestions or assertions that historically a true quadral did exist, but it has since morphed into a plural form. Possible cited examples include Tolai,^[34] Konomala, Patpatar, Kandas, Siar,^[35] Tabar, Label, Gao, Kwamera,^[24] Kawe, Wauyai, Matbat,^[36] Larike,^[37] Wamesa,^[38] Ambai,^[39] Loniu,^[40] and Badeng.^[33] Such shifts would not be unparalleled; the Mokilese plural pronouns are former trials, and the Icelandic plural pronouns are former duals.^[41]

Many sign languages have been explicitly described as having quadral pronoun forms, including New Zealand Sign Language,^[42] Brazilian Sign Language,^[43] Hong Kong Sign Language,^[44] Russian Sign Language,^[45] Estonian Sign Language,^[46] Jamaican Sign Language,^[47] and Konchri Sain.^[48] Other sign languages have been described as having both quadral and quintal pronoun forms, including American Sign Language,^[49][50] British Sign Language,^[51] and Levantine Arabic Sign Language.^[52] According to linguist Sam Lutalo-Kiingi's 2014 thesis on Ugandan Sign Language, the language's pronouns have quadral forms, quintal forms, and rarely even forms for six people.^[53]

Such categorization of sign language pronouns has been contested. Linguist Susan McBurney has contended that American Sign Language has a true dual, but that the trial, quadral, and quintal should instead be classified as numeral incorporation rather than grammatical number. This is motivated by the dual marker handshape being distinct from the handshape for the numeral two, in contrast to higher number markers; the ability to also incorporate these numerals into other words, including those for times and amounts; and the use of markers higher than the dual not being obligatory, with replacement by the plural being acceptable. There was not enough available data for McBurney to argue whether or not these reasons equally applied to other sign languages.^[54] Linguist Raquel Veiga Busto has argued they do not equally apply to Catalan Sign Language, and has applied the terms quadral and quintal to the language's pronouns for convenience without taking an official stance as to whether they are grammatical number or numeral incorporation.^[55] A third model is to categorize the apparent trial/quadral/quintal forms as "cardinal plurals", or forms of the grammatical plural number where the number of people is specified.^[56]

Other authors have treated these concepts as equivalent, referring to pronoun numeral incorporation while still applying the terms quadral and quintal.^[47][53] This would have implications for the existence of grammatical number in sign languages beyond quintal, since some American Sign Language speakers have been observed incorporating numerals up to nine into inclusive pronouns,^[57] and Israeli Sign Language has the grammatical ability to incorporate numerals up to ten into pronouns.^[58] Pronominal numeral incorporation has also apparently been documented in spoken languages: in addition to having singular, dual, trial, and plural forms, the pronouns of Mongondow and Lolak have been described as having "count forms", or forms that allow for arbitrarily high numeral incorporation, attested at least up to 12.^[59] Similarly, Hoava has been described as having a quadral form due to pronoun forms with added numerals,^[60] although this has been contested.^[61]

Paucal

The paucal number represents 'a few', a small inexactly numbered group of referents. It can be found in Hopi, Warlpiri, Lower Sepik-Ramu languages,^[62] some Oceanic languages including Fijian,^[63] Motuna,^[64] Serbo-Croatian,^[65] and in Arabic for some nouns. The paucal number has also been documented in some Cushitic languages of Ethiopia, including Baiso, which marks singular, paucal, plural.^[66] When paucal number is used in Arabic, it generally refers to ten or fewer instances.

Of the Indo-European languages, Kurmanji (also known as Northern Kurdish) is one of the few known languages with paucal number. For instance: "car-IN-an" (sometimes), cf. "gelek car-an" (many times) and "car" (time). Another example is "sêv-IN-an" (some apples), "sêvan" (the apples), "sêv" (apple). It can be applied to basically all nouns. In Russian, the genitive singular is also applied to two, three or four items (2, 3, 4 ка́мня – stones, gen. sg.; but 5...20 камне́й – stones, gen. pl.), making it effectively paucal^{[citation needed]} (cf. э́тот ка́мень – this stone, nom. sg.; э́ти ка́мни – these stones, nom. pl.). Polish functions similarly: 'one dog' is jeden pies', while (2, 3, 4 psy – dogs, pl.; but 5+ psów – dogs, gen. pl.). Slovene has one more distinction. With its use of dual ('one dog' is en pes, 'two dogs' is dva psa), paucal is only used for counting 3 and 4 (3, 4 psi – dogs, pl.; but 5+ psov – dogs, gen.pl.).

Distributive plural

Distributive plural number is for many instances viewed as independent individuals (for example, in Navajo^{[citation needed]}).

Superplural

Superplural is a grammatical number referring to "a lot of items", "heaps of items". This "massive plural" is in contrast to the normal "plural". For example, the Australian Aboriginal Barngarla language has four grammatical numbers: singular, dual, plural and superplural.^{[67]: 227–228} For instance:

• wárraidya "emu" (singular)
• wárraidyalbili "two emus" (dual)
• wárraidyarri "emus" (plural)
• wárraidyailyarranha "a lot of emus", "heaps of emus" (superplural)^[67]: 228

Formal expression

Synthetic languages typically distinguish grammatical number by inflection. (Analytic languages, such as Chinese, often do not mark grammatical number.)

Some languages have no marker for the plural in certain cases, e.g. Swedish hus – "house, houses" (but huset – "the house", husen – "the houses").

In most languages, the singular is formally unmarked, whereas the plural is marked in some way. Other languages, most notably the Bantu languages, mark both the singular and the plural, for instance Swahili (see example below). The third logical possibility, found in only a few languages such as Welsh and Sinhala, is an unmarked plural contrasting with marked singular. Below are some examples of number affixes for nouns (where the inflecting morphemes are underlined):

• Affixation (by adding or removing prefixes, suffixes, infixes, or circumfixes):
  • Estonian: puu "tree, wood" (singular) – puud "the trees, woods" (nominative plural), or kolm puud "three trees" (partitive singular)
  • Finnish: lehmä "cow, the cow" (singular) – lehmät "the cows" (nominative plural)
  • Turkish: dağ "the mountain" (singular) – dağlar "mountains" (plural)
  • Slovene: lípa "linden" (singular) – lípi "linden" (dual) – lípe "linden" (plural)
  • Sanskrit: पुरुषस् puruṣas "man" (singular) – पुरुषौ puruṣau "two men" (dual) – पुरुषास् puruṣās "men" (plural)
  • Sinhala: මලක් malak "flower" (singular) – මල් mal "flowers" (plural)
  • Swahili: mtoto "child" (singular) – watoto "children" (plural)
  • Ganda: omusajja "man" (singular) – abasajja "men" (plural)
  • Georgian: კაცი k'aci "man" (singular) – კაცები k'acebi "men" (where -i is the nominative case marker)
  • Welsh: plant "children" (collective) – plentyn "child" (singulative) Care should be taken with Welsh not to confuse singulative/collective with singular/plural, see Colloquial Welsh nouns.
• Simulfix (through various kinds of internal sound alternations):
  • Arabic: كِتَاب kitāb "book" (singular) – كُتُب kutub "books" (plural)
  • Welsh: adar "birds" (collective) - deryn "bird" (singulative). The -yn suffix which adds an extra syllable to the root word (adar) causes the initial (and semantically empty) syllable to be dropped. The suffix also causes the same vowel affection as seen in the affixation type above and the apophony type below, changing the root vowel a to e. The same process can be seen in the pair hosan "sock" and sanau "socks" where the plural suffix -au causes the initial syllable (ho-) to be dropped.
• Apophony (alternating between different vowels):
  • Dinka: kat "frame" – kɛt "frames"
  • English: foot – feet
  • German: Mutter "mother" – Mütter "mothers"
  • Welsh: bachgen "boy" – bechgyn "boys" (See affection)
• Reduplication (through doubling):
  • Indonesian: orang "person" (singular) – orang-orang "people" (plural); BUT dua orang "two people" and banyak orang "many people" (reduplication is not done when the context is clear and when the plurality is not emphasized)
  • Pipil: kumit "pot" (singular) – kuj-kumit "pots" (plural); similar to Indonesian, reduplication is omitted when plurality is marked elsewhere or not emphasized.
  • Somali: buug "book" (singular) – buug-ag "books" (plural)
• Suppletion (the use of the one word as the inflected form of another word):
  • Serbo-Croatian: čov(j)ek "man" (singular) – ljudi "men, folks" (plural)^[68]
  • English: person (singular) - people (plural) (used colloquially. In formal and careful speech persons is still used as the plural of person while people also has its own plural in peoples.)
• Tonality (by changing a drag tone to a push tone)
  • Limburgish: daãg "day" (singular) – daàg "days" (plural)
  • Ancient Greek: γλῶσσα glôssa "tongue" (singular) – γλώσσα glǒssa "two tongues" (dual)

Elements marking number may appear on nouns and pronouns in dependent-marking languages or on verbs and adjectives in head-marking languages.

English (dependent-marking)	Western Apache (head-marking)
Paul is teaching the cowboy.	Paul idilohí yiłch'ígó'aah.
Paul is teaching the cowboys.	Paul idilohí yiłch'ídagó'aah.

In the English sentence above, the plural suffix -s is added to the noun cowboy. In the equivalent in Western Apache, a head-marking language, a plural affix da- is added to the verb yiłch'ígó'aah "he is teaching him", resulting in yiłch'ídagó'aah "he is teaching them" while noun idilohí "cowboy" is unmarked for number.

Number particles

Plurality is sometimes marked by a specialized number particle (or number word). This is frequent in Australian and Austronesian languages. An example from Tagalog is the word mga [mɐˈŋa]: compare bahay "house" with mga bahay "houses". In Kapampangan, certain nouns optionally denote plurality by secondary stress: ing laláki "man" and ing babái "woman" become ding láláki "men" and ding bábái "women".

Classifiers with number morphology

In Sanskrit and some other languages, number and case are fused categories and there is concord for number between a noun and its predicator. Some languages however (for example, Assamese) lack this feature.

Languages that show number inflection for a large enough corpus of nouns or allow them to combine directly with singular and plural numerals can be described as non-classifier languages. On the other hand, there are languages that obligatorily require a counter word or the so-called classifier for all nouns. For example, the category of number in Assamese is fused with the category of classifier, which always carries a definite/indefinite reading. The singularity or plurality of the noun is determined by the addition of the classifier suffix either to the noun or to the numeral. Number system in Assamese is either realized as numeral or as nominal inflection, but not both. Numerals [ek] 'one' and [dui] 'two', can be realized as both free morpheme and clitics. When used with classifiers, these two numerals are cliticised to the classifiers.

Pingelapese is a Micronesian language spoken on the Pingelap atoll and on two of the eastern Caroline Islands, called the high island of Pohnpei. In Pingelapese, the meaning, use, or shape of an object can be expressed through the use of numerical classifiers. These classifiers combine a noun and a number that together can give more details about the object. There are at least five sets of numerical classifiers in Pingelapese. Each classifier has a numeral part and a classifier part that corresponds to the noun it is describing. The classifier follows the noun in a phrase. There is a separate set of numerical classifiers that is used when the object is not specified. Examples of this is the names of the days of the week.^[69]

Obligatoriness of number marking

In many languages, such as English, number is obligatorily expressed in every grammatical context. Some limit number expression to certain classes of nouns, such as animates or referentially prominent nouns (as with proximate forms in most Algonquian languages, opposed to referentially less prominent obviative forms). In others, such as Chinese and Japanese, number marking is not consistently applied to most nouns unless a distinction is needed or already present.

A very common situation is for plural number to not be marked if there is any other overt indication of number, as for example in Hungarian: virág "flower"; virágok "flowers"; hat virág "six flowers".

Transnumeral

Many languages, such as Chinese, Korean, Japanese and Malay (including Indonesian and Malaysian), particularly spoken in Southeast and East Asia, have optional number marking. In such cases, an unmarked noun is neither singular nor plural, but rather ambiguous as to number. This is called transnumeral or sometimes general number, abbreviated TRN. In many such languages, number tends to be marked for definite and highly animate referents, most notably first-person pronouns.

Inverse number

The languages of the Tanoan family have three numbers – singular, dual, and plural – and exhibit an unusual system of marking number, called inverse number (or number toggling). In this scheme, every countable noun has what might be called its "inherent" or "expected" numbers, and is unmarked for these. When a noun appears in an "inverse" (atypical) number, it is inflected to mark this. For example, in Jemez, where nouns take the ending -sh to denote an inverse number, there are four noun classes which inflect for number as follows:

class	description	singular	dual	plural
I	animate nouns	-	-sh	-sh
II	some inanimate nouns	-sh	-sh	-
III	other inanimate nouns	-	-sh	-
IV	mass (non-countable) nouns	(n/a)	(n/a)	(n/a)

As can be seen, class-I nouns are inherently singular, class-II nouns are inherently plural, class-III nouns are inherently singular or plural. Class-IV nouns cannot be counted and are never marked with -sh.*^[70]

A similar system is seen in Kiowa (Kiowa is distantly related to Tanoan languages like Jemez):

class	singular	dual	plural
I	-	-	-ɡɔ
II	-ɡɔ	-	-
III	-ɡɔ	-	-ɡɔ
IV	(n/a)	(n/a)	(n/a)

(See also Taos language: Number inflection for a description of inverse number suffixes in another Tanoan language.)

Number agreement

Verbs

Main article: Grammatical conjugation

In many languages, verbs are conjugated according to number. Using French as an example, one says je vois (I see), but nous voyons (we see). The verb voir (to see) changes from vois in the first person singular to voyons in the plural. In everyday English, this often happens in the third person (she sees, they see), but not in other grammatical persons, except with the verb to be.

Adjectives and determiners

Adjectives often agree with the number of the noun they modify. For example, in French, one says un grand arbre [œ̃ ɡʁɑ̃t aʁbʁ] "a tall tree", but deux grands arbres [dø ɡʁɑ̃ zaʁbʁ] "two tall trees". The singular adjective grand becomes grands in the plural, unlike English "tall", which remains unchanged.

Other determiners may agree with number. In English, the demonstratives "this", "that" change to "these", "those" in the plural, and the indefinite article "a", "an" is either omitted or changes to "some". In French and German, the definite articles have gender distinctions in the singular but not the plural. In Italian, Spanish and Portuguese, both definite and indefinite articles are inflected for gender and number, e.g. Portuguese o, a "the" (singular, masc./fem.), os, as "the" (plural, masc./fem.); um, uma "a(n)" (singular, masc./fem.), uns, umas "some" (plural, masc./fem.), dois, duas "two" (plural, masc./fem.),

In the Finnish sentence Yöt ovat pimeitä "Nights are dark", each word referring to the plural noun yöt "nights" ("night" = yö) is pluralized (night-PL is-PL dark-PL-partitive).

Exceptions

See also: Synesis and Plurale tantum

Sometimes, grammatical number will not represent the actual quantity, a form-meaning mismatch. For example, in Ancient Greek neuter plurals took a singular verb.^[71] The plural form of a pronoun may also be applied to a single individual as a sign of importance, respect or generality, as in the pluralis majestatis, the T–V distinction, and the generic "you", found in many languages, or, in English, when using the singular "they" for gender-neutrality.

In Arabic, the plural of a non-human noun (one that refers to an animal or to an inanimate entity regardless of whether the noun is grammatically masculine or feminine in the singular) is treated as feminine singular—this is called the inanimate plural. For example:

رجل جميل (rajul jamīl) 'beautiful/handsome man': rajul (man) is masculine singular, so it takes the masculine singular adjective jamīl.

بيت جميل (bayt jamīl) 'beautiful house': bayt (house) is masculine singular, so it takes the masculine singular jamīl.

كلب جميل (kalb jamīl) 'beautiful dog': kalb (dog) is masculine singular, so it takes the masculine singular jamīl.

بنت جميلة (bint jamīlah) 'beautiful girl': bint is feminine singular, so it takes the feminine singular jamīlah.

سيارة جميلة (sayyārah jamīlah) 'beautiful car': sayyārah is feminine singular, so it takes the feminine singular jamīlah.

رجال جميلون (rijāl jamīlūn) 'beautiful/handsome men': rijāl (men) is masculine plural, so it takes the masculine plural jamīlūn.

بنات جميلات (banāt jamīlāt) 'beautiful girls': banāt is feminine plural, so it takes the feminine plural jamīlāt.

but

بيوت جميلة (buyūt jamīlah) 'beautiful houses': buyūt (houses) is non-human plural, and so takes the inanimate plural (feminine singular) jamīlah.

سيارات جميلة (sayyārāt jamīlah) 'beautiful cars': sayyārāt is non-human plural, and so takes the inanimate plural jamīlah.

كلاب جميلة (kilāb jamīlah) 'beautiful dogs': kilāb is non-human plural, and so takes the inanimate plural jamīlah.

Collective nouns

Main article: Collective noun

A collective noun is a word that designates a group of objects or beings regarded as a whole, such as "flock", "team", or "corporation". Although many languages treat collective nouns as singular, in others they may be interpreted as plural. In British English, phrases such as the committee are meeting are common (the so-called agreement in sensu "in meaning"; with the meaning of a noun, rather than with its form, see constructio ad sensum). The use of this type of construction varies with dialect and level of formality.

In some cases, the number marking on a verb with a collective subject may express the degree of collectivity of action:

• The committee are discussing the matter (the individual members are discussing the matter), but the committee has decided on the matter (the committee has acted as an indivisible body).
• The crowd is tearing down the fences (a crowd is doing something as a unit), but the crowd are cheering wildly (many individual members of the crowd are doing the same thing independently of each other).

Semantic versus grammatical number

All languages are able to specify the quantity of referents. They may do so by lexical means with words such as English a few, some, one, two, five hundred. However, not every language has a grammatical category of number. Grammatical number is expressed by morphological or syntactic means. That is, it is indicated by certain grammatical elements, such as through affixes or number words. Grammatical number may be thought of as the indication of semantic number through grammar.

Languages that express quantity only by lexical means lack a grammatical category of number. For instance, in Khmer, neither nouns nor verbs carry any grammatical information concerning number: such information can only be conveyed by lexical items such as khlah 'some', pii-bey 'a few', and so on.^[72]

Auxiliary languages

Auxiliary languages often have fairly simple systems of grammatical number. In one of the most common schemes (found, for example, in Interlingua and Ido), nouns and pronouns distinguish between singular and plural, but not other numbers, and adjectives and verbs do not display any number agreement. In Esperanto, however, adjectives must agree in both number and case with the nouns that they qualify.

See also

• Count noun
• Elohim
• Generic antecedent
• Grammatical agreement
• Grammatical conjugation
• Grammatical person
• Inflection
• Measure word
• Names of numbers in English
• Noun class
• Plurale tantum
• Romance plurals

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Works cited

• Corbett, Greville (2000), Number, Textbooks in Linguistics, Cambridge University Press, ISBN 978-0-521-64016-9, P240.8.C67.
• Greenberg, Joseph H (1972), Numeral classifiers and substantival number: Problems in the genesis of a linguistic type, Working Papers on Language Universals, vol. 9, Stanford University, pp. 1–39.
• Kordić, Snježana (2001). "Die grammatische Kategorie des Numerus" [The grammatical category of number] (PDF). In Jachnow, Helmut; Norman, Boris; Suprun, Adam E (eds.). Quantität und Graduierung als kognitiv-semantische Kategorien [Quantities and gradations in cognitive‐semantic categories] (PDF). Slavistische Studienbücher, Neue Folge (in German). Vol. 12. Wiesbaden: Harrassowitz. pp. 62–75. ISBN 978-3-447-04408-0. OCLC 48560579. S2CID 232716168. SSRN 3434454. CROSBI 426611. Archived (PDF) from the original on 24 August 2012. Retrieved 8 June 2022.
• Lunt, Horace G (1982) [First published 1968], Fundamentals of Russian (rev ed.), Columbus, OH: Slavica
• Nicolas, David (2008), (PDF), Linguistics and Philosophy, 31 (2): 211–244, CiteSeerX 10.1.1.510.3305, doi:10.1007/s10988-008-9033-2, S2CID 13755223, archived from the original (PDF) on 2012-02-19

General references

• Beard, R (1992), "Number", in Bright, W (ed.), International Encyclopedia of Linguistics.
• "Cultural Constraints on Grammar and Cognition in Pirahã" (PDF). Americas. SIL.
• Laycock, Henry (2005), "Mass nouns, Count nouns and Non-count nouns", Encyclopedia of Language and Linguistics, Oxford: Elsevier.
• ——— (2006), Words without Objects, Oxford: Clarendon Press.
• Merrifield, William (1959). "Classification of Kiowa nouns". International Journal of American Linguistics. 25 (4): 269–271. doi:10.1086/464544. S2CID 144369971.
• Mithun, Marianne (1999), The languages of native North America, Cambridge University Press, pp. 81–82, 444–45, ISBN 978-0-521-23228-9.
• Plural rules collection, Unicode.
• Sprott, Robert (1992), Jemez syntax (doctoral dissertation), US: University of Chicago.
• Sten, Holgar (1949), Le nombre grammatical [The Grammatical number], Travaux du Cercle Linguistique de Copenhague (in French), vol. 4, Copenhagen: Munksgaard.
• Watkins, Laurel J; McKenzie, Parker (1984), A grammar of Kiowa, Studies in the anthropology of North American Indians, Lincoln: University of Nebraska Press, ISBN 978-0-8032-4727-7 – via Internet Archive.
• Weigel, William F (1993), "Morphosyntactic toggles", Papers from the 29th Regional Meeting of the Chicago Linguistic Society, vol. 29, Chicago: Chicago Linguistic Society, pp. 467–478.
• Wiese, Heike (2003), Numbers, language, and the human mind, Cambridge University Press, ISBN 978-0-521-83182-6.
• Wonderly, William L; Gibson, Lorna F.; Kirk, Paul L. (1954). "Number in Kiowa: Nouns, demonstratives, and adjectives". International Journal of American Linguistics. 20 (1): 1–7. doi:10.1086/464244. JSTOR 1263186. S2CID 144480683.

External links

• http://www.smg.surrey.ac.uk/features/morphosyntactic/number/ doi:10.15126/SMG.18/1.02