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Verb conjugation

falloir

to need, have to, to be necessary (that); to take (time)

Usage

An impersonal verb that only ever conjugates in the il form — il faut, "it is necessary" / "one must." Followed by either an infinitive (il faut partir, "we need to leave") or a full subjunctive clause (il faut que tu partes) depending on whether the obligation has a specific subject.

Examples
  • Il faut partir maintenant.We have to leave now.
  • Il faut que tu viennes.You need to come.
  • Il ne faut pas oublier.One mustn't forget.
Common mistake

Trying to conjugate falloir for a specific subject (*je faux*, *tu fauts*) — it genuinely only exists in the il form, no matter who the obligation applies to; the person shows up in the subjunctive clause after que instead.

In real life
  • quote "Il faut cultiver notre jardin""We must cultivate our garden" — the closing line of Voltaire's 1759 Candide, Candide's reply to Pangloss's philosophical optimism, urging practical work over abstract theorizing.

Simple tenses

Present

je-
tu-
il/ellefaut
nous-
vous-
ils/elles-

Imperfect

je-
tu-
il/ellefallait
nous-
vous-
ils/elles-

Past historic (passé simple)

je-
tu-
il/ellefallut
nous-
vous-
ils/elles-

Future

je-
tu-
il/ellefaudra
nous-
vous-
ils/elles-

Conditional

je-
tu-
il/ellefaudrait
nous-
vous-
ils/elles-

Subjunctive

je-
tu-
il/ellefaille
nous-
vous-
ils/elles-

Subjunctive (imperfect)

je-
tu-
il/ellefallût
nous-
vous-
ils/elles-

Imperative

tu-
nous-
vous-

Compound tenses

Passé composé

jeai fallu
tuas fallu
il/ellea fallu
nousavons fallu
vousavez fallu
ils/ellesont fallu

Plus-que-parfait

jeavais fallu
tuavais fallu
il/elleavait fallu
nousavions fallu
vousaviez fallu
ils/ellesavaient fallu

Passé antérieur

jeeus fallu
tueus fallu
il/elleeut fallu
nouseûmes fallu
vouseûtes fallu
ils/elleseurent fallu

Futur antérieur

jeaurai fallu
tuauras fallu
il/elleaura fallu
nousaurons fallu
vousaurez fallu
ils/ellesauront fallu

Conditionnel passé

jeaurais fallu
tuaurais fallu
il/elleaurait fallu
nousaurions fallu
vousauriez fallu
ils/ellesauraient fallu

Subjonctif passé

jeaie fallu
tuaies fallu
il/elleait fallu
nousayons fallu
vousayez fallu
ils/ellesaient fallu

Subjonctif plus-que-parfait

jeeusse fallu
tueusses fallu
il/elleeût fallu
nouseussions fallu
vouseussiez fallu
ils/elleseussent fallu

Impératif passé

tuaie fallu
nousayons fallu
vousayez fallu

Other

Present participle

fallant

Past participle

fallu

Infinitive

falloir

Want to practice? Try a conjugation exercise.

Frequently asked questions

What does "falloir" mean?

"falloir" means "to need, have to, to be necessary (that); to take (time)".

How do you conjugate "falloir" in the present tense?

The present of "falloir" is: je -, tu -, il/elle faut, nous -, vous -, ils/elles -.

What is the Passé composé of "falloir"?

The passé composé of "falloir" is: je ai fallu, tu as fallu, il/elle a fallu, nous avons fallu, vous avez fallu, ils/elles ont fallu.

What is the Imperative of "falloir"?

The imperative of "falloir" is: tu -, nous -, vous -.