Plural Nouns and Definite Articles Nouns that end

Plural Nouns and Definite Articles Nouns that end in a vowel are made plural by adding “s”. With masculine nouns, make the definite article (el) plural by changing it to “los”. For feminine nouns, make the definite article (la) plural by adding “s” to make “las”

el bolígrafo el cuaderno la mochila la pizarra los bolígrafos los cuadernos las mochilas pizarras

With masculine nouns, make the indefinite article (un) plural by changing it to “uos”. For feminine nouns, make the indefinite article (una) plural by adding “s” to make “unas”

un bolígrafo un cuaderno una mochila una pizarra uos bolígrafos uos cuadernos unas mochilas unas pizarras

When a group of people or things includes both masculine and feminine nouns use the masculine form of the noun: los chicos the boys / the boys and girls los alumnos the students (all boys OR both

Nouns that end in a consonant are made plural by adding “es”. el borrador los borradores el papel los papeles

Sometimes it is necessary to add or remove a written accent to keep the pronunciation the same when making a noun plural. el examen los exámenes Without the written accent in the plural, since exámenes ends in “s”, the stress would be on the next-to-last syllable, instead of on the “a”. The accent is needed to keep the pronunciation the same.

la nación las naciones Here the accent is not needed because naciones ends in “s’ and the “o” is stressed according to the rules of pronunciation.