French phrase
Pourriez-vous prolonger la date limite de ~ ?
Meaning
Could you extend the deadline for ___?
When to use it
A polite request to extend a specific deadline. It is often addressed to a professor or administrator.
Example dialogue
Pourriez-vous prolonger la date limite de mon mémoire ?
Could you extend the deadline for my thesis?
Bien sûr, je peux la prolonger d'une semaine.
Of course, I can extend it by a week.