French verb

Conjugation of devoir

The French verb devoir means "to have to". Below are its 7 tenses as tables, with the irregular forms marked, 4 example sentences and answers to 3 common questions. Press play next to a present tense form or an example to hear it.

Meaning
to have to
Type
Irregular -ir verb
Auxiliary
avoir
Present participle
devant
Past participle
dû
Quick answer

The present tense of devoir is je dois, tu dois, il/elle doit, nous devons, vous devez, ils/elles doivent. It is irregular: all 6 present forms break the regular -ir pattern. The tables below cover 7 tenses, from the present to the imperative. Its present participle is devant and its past participle is dû. Its compound tenses are formed with avoir.

Present tense of devoir

Forms in orange break the regular -ir pattern.

Present Présent
je dois (irregular)
tu dois (irregular)
il/elle doit (irregular)
nous devons (irregular)
vous devez (irregular)
ils/elles doivent (irregular)

More tenses of devoir

Compound past Passé composé
j' ai dû (irregular)
tu as dû (irregular)
il/elle a dû (irregular)
nous avons dû (irregular)
vous avez dû (irregular)
ils/elles ont dû (irregular)
Imperfect Imparfait
je devais (irregular)
tu devais (irregular)
il/elle devait (irregular)
nous devions (irregular)
vous deviez (irregular)
ils/elles devaient (irregular)
Future Futur simple
je devrai (irregular)
tu devras (irregular)
il/elle devra (irregular)
nous devrons (irregular)
vous devrez (irregular)
ils/elles devront (irregular)
Conditional Conditionnel présent
je devrais (irregular)
tu devrais (irregular)
il/elle devrait (irregular)
nous devrions (irregular)
vous devriez (irregular)
ils/elles devraient (irregular)
Present subjunctive Subjonctif présent
que je doive (irregular)
que tu doives (irregular)
qu'il/elle doive (irregular)
que nous devions (irregular)
que vous deviez (irregular)
qu'ils/elles doivent (irregular)
Imperative Impératif
tu dois (irregular)
nous devons (irregular)
vous devez (irregular)

Notes on devoir

Devoir is irregular. Its present forms include dois, doit, devons, devez, and doivent, while the future and conditional use devr, as in devrai and devrait. The past participle is dû and the present participle is devant.

Meet devoir in real French books

Lingo7 is an app for reading books in French with a translation under every sentence and audio, so the forms in these tables come back in context.

Example sentences with devoir

  • Je dois partir avant huit heures. I have to leave before eight o'clock.
  • Nous avons dû attendre le prochain bus. We had to wait for the next bus.
  • Elle devait finir son travail hier soir. She had to finish her work last night.
  • Vous devrez appeler demain matin. You will have to call tomorrow morning.

Frequently asked questions

Is devoir a regular or irregular verb?

Devoir is irregular. Its forms include dois, devons, devrai, doive, and dû.

What are the future forms of devoir?

The future forms are devrai, devras, devra, devrons, devrez, and devront. They use the stem devr.

What are the participles and auxiliary of devoir?

The present participle is devant, the past participle is dû, and the auxiliary is avoir. The compound past uses forms such as ai dû and avons dû.