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French grammar is the grammar of the French language, which in many respects is quite similar to that of the other Romance languages.

French is a moderately inflected language. Nouns and most pronouns are inflected for number (singular or plural, though in most nouns the plural is pronounced the same as the singular even if spelt differently); adjectives, for number and gender (masculine or feminine) of their nouns; personal pronouns and a few other pronouns, for person, number, gender, and case; and verbs, for tense, aspect, mood, and the person and number of their subjects. Case is primarily marked using word order and prepositions, while certain verb features are marked using auxiliary verbs.

Verbs in French are conjugated to reflect the following information:

Some of these features are combined into seven tense–aspect–mood combinations. The simple (one-word) forms are commonly referred to as the present, the simple past or preterite (past tense, perfective aspect), the imperfect (past tense, imperfective aspect), the future, the conditional, the present subjunctive, and the imperfect subjunctive. However, the simple past is rarely used in informal French, and the imperfect subjunctive is rarely used in modern French at all.

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