Conjugation of the verb devoir in French

Devoir

Must, have to
Devoir is a common irregular French verb. It uses avoir as its auxiliary. Here’s a table showing how to conjugate devoir in the past, future, and present tenses, and all moods.

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Participe

Infinitif

Présent

devoir

Examples

Tu devrais manger plus. You should eat more.
Il a dû partir tôt. He had to leave early.
Nous devions attendre ici. We had to wait here.
Vous devrez finir demain. You will have to finish tomorrow.
Ils devraient arriver bientôt. They should arrive soon.
Je doute que tu doives venir. I doubt that you have to come.
Pourquoi dois-tu partir? Why must you leave?
Elle dût admettre son erreur. She had to admit her mistake.