Expressing Necessity with 'falloir' — French Grammar

The verb is unique because it is an impersonal verb. It is conjugated only in the third person singular as . In this context, does not refer to a specific person (like "he"), but acts as a dummy subject similar to "it" in the English phrase "it is necessary."

Depending on the structure that follows , you can express general rules, specific obligations for a person, or the need for an object.

General Necessity with Infinitives

To express a general obligation, advice, or necessity that applies to everyone generally, use followed immediately by a verb in the infinitive. This construction does not specify who must do the action; it simply states that the action is necessary. It translates to "one must," "you have to," or "it is necessary to."

Il faut manger pour vivre.
One must eat to live.
Il faut tourner à gauche ici.
You have to turn left here.
Il faut être patient.
It is necessary to be patient.

Specific Necessity with the Subjunctive

When you need to specify exactly who must perform the action, the structure changes. You must use (that) followed by the subject and the verb in the subjunctive mood. This is one of the most common triggers for the subjunctive in the language.

Il faut que tu viennes.
You must come.
Il faut qu'elle fasse ses devoirs.
She has to do her homework.
Il faut que nous partions maintenant.
We need to leave now.

Expressing Needs with Nouns

can also be used to express the need for a specific object. In this case, is followed directly by a noun. This translates to "is needed" or "is necessary."

Il faut du courage.
Courage is needed.
Il faut une clé pour ouvrir cette porte.
A key is needed to open this door.

You can add an indirect object pronoun before to indicate who needs the object. This is a very common way to say "I need," "you need," etc.

Il me faut un nouveau passeport.
I need a new passport.
Il te faut des vacances.
You need a vacation.

Using Falloir in Other Tenses

While (present tense) is the most frequently used form, the verb can be conjugated in other tenses to express necessity in the past or future.

Il a fallu attendre deux heures.
It was necessary to wait for two hours. (Passé Composé)
Il fallait que je travaille.
I had to work. (Imperfect)
Il faudra acheter du pain.
It will be necessary to buy bread. (Future)

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