French phrase
Pouvez-vous prolonger ~ ?
Meaning
Could you extend ___?
When to use it
A polite request to extend a deadline or period. It suits business and formal situations.
Example dialogue
Pouvez-vous prolonger le délai de livraison de trois jours ?
Could you extend the delivery deadline by three days?
Oui, je peux le prolonger de trois jours.
Yes, I can extend it by three days.