French phrase
Quand doit-on ~ ?
Meaning
When should you ___?
When to use it
Asks about the best time to act. It is conversational and gently discusses timing.
Example dialogue
Quand doit-on s'inscrire au cours ?
When should I enroll in the course?
On peut s'inscrire jusqu'à vendredi.
You can enroll until Friday.