French phrase
Que doit-on ~ ?
Meaning
What should we ___?
When to use it
Asks what action is advisable or necessary. It is polite and useful for checking plans or requirements.
Example dialogue
Que doit-on apporter pour la randonnée ?
What should we bring for the hike?
Prenez de l'eau, une veste et de bonnes chaussures.
Bring water, a jacket, and good shoes.