French phrase
Faut-il prévenir si ~ ?
Meaning
Should I let someone know if ___?
When to use it
Asks whether to notify someone in a given situation. It is neutral and direct, often used for absences or schedule changes.
Example dialogue
Je ne pourrai pas venir au cours demain.
I won't be able to come to class tomorrow.
Faut-il prévenir si tu ne peux pas venir ?
Should I let someone know if you can't come?