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French The Expression “it is necessary”

Il faut + infinitive means "it is necessary to" or "you have to", as in Il faut répondre aux clients. The form never changes; il ne faut pas means "you must not".

  • CEFR A1
  • 8-question quiz
  • 1 exercise

The French phrase “il est nécessaire” means “it is necessary,” and it’s used quite often.

Falloir is the French verb that means “to be necessary.” We use the third person singular conjugation Il faut as the impersonal, standard expression for the expression. Following the expression comes an infinitive to say altogether “it is necessary to do something.”

Examples:

Il faut lire (read) le journal le matin.

It is necessary to read the newspaper in the morning.

Il faut organiser les dossiers pour le travail.

It is necessary to organize the folders for work.

Il faut faire un stage avant de (before) poser sa candidature.

It is necessary to do an internship before applying for a job.

There are many words and phrases in French that express necessity and obligation.  One of the most common ways to express this is by using the phrase IL FAUT.

French Grammar: Necessity and Obligation with [IL FAUT]
la grammaire française: la nécessité et l’obligation avec [il faut]

Key vocabulary

WordMeaningExample
il faut + infinitiveit is necessary to, you have toIl faut envoyer la facture aujourd'hui.
il ne faut pas + infinitiveyou must notIl ne faut pas oublier la réunion de lundi.
falloirto be necessary (only used with il)Pour ce poste, il faut parler anglais.
il est nécessaire deit is necessary to (more formal)Il est nécessaire de signer le contrat avant vendredi.
faire un stageto do an internshipIl faut faire un stage pour obtenir le diplôme.
poser sa candidatureto apply (for a job)Il faut poser sa candidature avant le 15 mars.
répondre àto answerIl faut répondre au téléphone poliment.
un dossiera file, a folderIl faut organiser les dossiers pour le travail.

Practice: French The Expression “it is necessary”

Work through the exercises, then test yourself with the quiz. Learn from your mistakes and try again as often as you like.

Exercises

Complete with il faut

Write il faut + the verb in parentheses that makes the most sense.

  1. ______ à la bibliothèque pour réussir l'examen. (étudier, faire)

    You have to study at the library to pass the exam.

    Show answer

    Il faut étudier

  2. ______ un emploi après un stage. (rater, chercher)

    You have to look for a job after an internship.

    Show answer

    Il faut chercher

  3. ______ au téléphone au bureau. (travailler, répondre)

    You have to answer the phone at the office.

    Show answer

    Il faut répondre

  4. ______ avec vos collègues pendant la journée. (communiquer, quitter)

    You have to communicate with your colleagues during the day.

    Show answer

    Il faut communiquer

  5. ______ sympathique pour avoir beaucoup d'amis. (entendre, être)

    You have to be nice to have a lot of friends.

    Show answer

    Il faut être

  6. ______ le journal le matin. (lire, dormir)

    You have to read the newspaper in the morning.

    Show answer

    Il faut lire

  7. ______ en retard à un entretien. (ne pas arriver, ne pas répondre)

    You must not arrive late to an interview.

    Show answer

    Il ne faut pas arriver

  8. ______ un stage avant de poser sa candidature. (faire, perdre)

    You have to do an internship before applying.

    Show answer

    Il faut faire

Quiz: 8 questions

1. What comes after il faut?
2. Choose the correct sentence.
3. What is the infinitive of il faut?
4. What does "Il ne faut pas fumer ici" mean?
5. Which form is correct for "we have to leave" (general obligation)?
6. ______ répondre aux e-mails des clients rapidement.
7. Il est nécessaire ______ signer le contrat.
8. Which sentence is correct?

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