This document discusses plural forms of articles, nouns, and adjectives in French. It explains that the plural forms of definite and indefinite articles like "un/une" and "le/la/l'" are used to mark nouns as plural. It provides examples of singular and plural indefinite and definite articles. It also notes that most nouns are made plural by adding a silent "s" and any adjectives modifying plural nouns are also made plural with a silent "s".

1. Bon Voyage 1 Chapitre 2 Le pluriel: articles, noms et adjectifs