This document discusses the formation and usage of adverbs in French. It explains that adverbs modify verbs, adjectives, and other adverbs. It provides rules for forming adverbs from adjectives by adding "-ment" or "-emment"/"-amment" depending on how the adjective ends. The document also covers the placement of adverbs in sentences, noting that they usually follow verbs in simple tenses and past participles in compound tenses, while some short adverbs can go between the auxiliary and past participle.