Find out how to use key verbs for different tenses. Common verb forms used in French are auxiliary verbs, expressions with avoir and être and modal verbs.
These are useful verbs that are always followed by an infinitive. They are usually used in the present, imperfect, past tense with a past participle or in the conditional tense.
pouvoir – means can/to be able to
devoir - means have to/must or on the conditional ought to/should
vouloir – means want/wish