Look at the sentences using il faut que:
Il faut que j'aille à la banque.
I have to go to the bank.
Il faut que je sois fort.
I have to be strong.
Il faut que tu fasses quelque chose.
You have to do something.
Faut-il que je prenne le train ?
Do I have to take the train?
Note that Il faut que... is always followed by a verb in Le Subjonctif.
To express obligation, you can also use the structure "Il est nécessaire que + Subjonctif (Il est (important) que + Le Subjonctif = It is (important) for (someone) to ...).
See also how to conjugate in Le Subjonctif :
Conjugate regular verbs in Le Subjonctif Présent (subjunctive mood)
Conjugate être in Le Subjonctif Présent (subjunctive mood)
Conjugate faire in Le Subjonctif Présent (subjunctive mood)
Conjugate pouvoir in Le Subjonctif Présent (subjunctive mood)
Conjugate prendre and derivatives in Le Subjonctif Présent (subjunctive mood)
Conjugate savoir in Le Subjonctif Présent (subjunctive mood)
Conjugate avoir in Le Subjonctif Présent (subjunctive mood)
Learn more about these related French grammar topics
Examples and resources
Faut-il que je le fasse ?
Do I have to do it?
Il faut que j'aie ce travail.
I must get this job.
Il faut que tu sois prudent.
You have to be careful.
Il faut que tu prennes ton temps.
You need to take your time.
Il faut que je sois fort.
I have to be strong.
Il faut qu'on soit là avant sept heures pour entrer.
You have to be there before seven o'clock to get in.
Faut-il que je prenne le train ?
Do I have to take the train?
Il faut que j'aille à la banque.
I have to go to the bank.
Il faut que j'y aille.
I must go.
Il faut que tu fasses quelque chose.
You have to do something.
Il faut que tu ailles à l'école.
You must go to school.
Il faut que tu aies de la confiance.
You must be confident.
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Cécile
Kwiziq language super star
22/02/18
Hi Steven,
As Chris rightly says, the " y" in Il faut que j'y aille is idiomatic. we don't really know what it refers to and a better English translation would be, I've got to go .
Hard to explain it's just how it is .
Hope this helps!
Chris
Kwiziq community member
6/12/17
The opinion of a native speaker would be greatly appreciated.
-- Chris.
susan
Kwiziq community member
6 February 2018
2 replies
How would i say"He must go..to the doctor"?
Chris
Kwiziq community member
7 February 2018
7/02/18
Hi Susan,
you would say, "Il faut qu'il aille chez le docteur."
-- Chris (not a native speaker).
Aurélie
Kwiziq language super star
7 February 2018
7/02/18
Bonjour Susan !
Here's a link to our lesson on chez to complete Chris's answer :)
https://progress.lawlessfrench.com/revision/grammar/how-to-say-at-someones-place-chez-prepositions
Bonne journée !