How much, how many?
Combien de?
How
Comment?
What?
Que? Quoi?
What? (As subject)
Qu’est-ce qui
What (divided object)
Qu’est-ce que?
What colour?
De quelle couleur
(At) what time?
À quelle heure?
What/which?
Quel/le?
When?
Quand?
Where?
Où?
Who?
Qui?
Why?
(Qui?), pourquoi?