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Number and Plurality

It is common to hear the words gender and number used together when contemplating a noun. The gender of the noun indicates whether the noun is masculine or feminine. The number of the noun indicates whether the noun is singular or plural. You will learn to identify the word libro as a singular, masculine noun, and how to make the plural version of this and all other nouns.

Before you learn how to make a noun plural, it's necessary to learn how to pluralize the definite and indefinite articles. A plural noun will have a plural version of the article in front of it. Comparatively, the definite article in English is the same regardless of whether the noun that follows in singular or plural.

Plural forms of definite articles

The Spanish definite article ( el and la, the) has a plural version of both its feminine and masculine forms. Therefore, the definite article has four forms in Spanish. The plural of el is los and the plural of la is las.

Singular, masculine

Plural, masculine

el (the)

los (the)

Singular, feminine

Plural, feminine

la (the)

las (the)

Plural forms of indefinite articles

The indefinite articles in Spanish are un (a) and una (an). These are only used in front of a singular noun. When a plural noun requires an indefinite article, the word some is used as the plural of a or an. In Spanish, there is a feminine and masculine version of the singular indefinite article, and also a feminine and masculine version of the plural indefinite article.

Singular, masculine

Plural, masculine

un (a, an)

unos (some)

Singular, feminine

Plural, feminine

una (a, an)

unas (some)

Plural forms of nouns

There are very simple rules to follow when creating the plural version of a noun. If a noun ends in any vowel, simply add - s to create the plural form.

Singular

Plural

el café

the café

los cafés

the cafés

la hermana

the sister

las hermanas

the sisters

el pupitre

the desk

los pupitres

the desks

la mesa

the table

las mesas

the tables

If a noun ends in any consonant (including y), add - es to create the plural form.

Singular

Plural

la ciudad

the city

las ciudades

the cities

la ley

the law

las leyes

the laws

el mes

the month

los meses

the months

el rey

the king

los reyes

the kings

When z is followed by e, change the z to c when forming the plural. This means that any word ending in z will become - ces in its plural form.

Singular

Plural

el pez

the fish

los peces

the fish (plural)

el lápiz

the pencil

los lápices

the pencils

la voz

the voice

las voces

the voices

The Spanish will use the plural version of the masculine noun to represent a couple of mixed gender. For example:

el tío

the uncle

los tíos

the aunt and uncle (or the uncles)

el padre

the father

los padres

the parents (or the fathers)

el rey

the king

los reyes

the king and queen (or the kings)

Plural forms and accent marks

A word that ends in any consonant other than n or s will be stressed on the last syllable. A word that ends in a vowel, n, or s will be stressed on the next to the last syllable. Since the Spanish want the plural form of a word to be stressed on the same syllable as the singular form, it is sometimes necessary to add or remove an accent mark when the plural version adds an entire syllable such as - es.

If you add - es to a word that had an accent mark on the last syllable, the accent mark is eliminated when - es is added.

Singular

Plural

el autobús

the bus

los autobuses

the busses

el inglés

the Englishman

los ingleses

the Englishmen

la lección

the lesson

las lecciones

the lessons

el limón

the lemon

los limones

the lemons

Other words that didn't have an accent before the - es was added, will have an accent in their plural form.

Singular

Plural

el examen

the exam

los exámenes

the exams

el origen

the origin

los orígenes

the origins

A noun that end in - s will remain the same in its plural form (only the article will change) unless there is an accented vowel in front of the - s. If there is an accented vowel in front of the - s, you will add - es and drop the accent to create the plural form. This rule is important to remember with compound nouns because they usually end in - s and usually have the same form for singular and plural.

Singular

Plural

el lavaplatos

the dishwasher

los lavaplatos

the dishwashers

el martes

the Tuesday

los martes

the Tuesdays

el paréntesis

the parenthesis

los paréntesis

the parentheses

la tesis

the thesis

los tesis

the theses

el rascacielos

the skyscraper

los rascacielos

the skyscrapers

el francés

the Frenchman

los franceses

the Frenchmen

el diós

the god

los dioses

the gods

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