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J'ai un chat.
I have a cat.
to possess, own, or hold something
Elle a une voiture.
She has a car.
Used for expressing possession, age, and certain states (e.g., hunger, thirst).
to experience or undergo something
Il a chaud.
He is hot (feeling warm).
Often used with emotions or physical states.
to have done something (auxiliary verb in compound tenses)
J'ai mangé une pomme.
I ate an apple.
Used with past participles to form passé composé.
In compound tenses like 'passé composé', 'avoir' is used as an auxiliary verb. The past participle agrees with the direct object only if it precedes the verb. Example: 'Les pommes que j'ai mangées' (The apples that I ate).
'Avoir' is used in many fixed expressions for states (e.g., 'avoir faim' = to be hungry, 'avoir sommeil' = to be sleepy). These are idiomatic and must be memorized.
From Old French 'avoir', from Latin 'habēre', meaning 'to have' or 'to hold'. The verb is highly irregular in French due to its frequent use in everyday speech.
The verb 'avoir' is one of the most important verbs in French. It is irregular and must be memorized. It is used as an auxiliary verb in compound tenses (e.g., passé composé) and to express possession or states.