French phrase
Pouvez-vous me prévenir quand il faudra ~ ?
Meaning
Could you tell me when I will need to ___?
When to use it
A polite request to learn when an action will be needed. It works in both professional and everyday settings.
Example dialogue
Pouvez-vous me prévenir quand il faudra changer l'encre ?
Could you tell me when I will need to change the ink?
D'accord, je vous préviendrai.
Okay, I will let you know.