Qui est-ce qui
Who
Qui
(most common)
Who (short form) no inversion
Qu’est-ce qui
What
Qui est-ce que/qu’
whom (person=object)
Qu’est-ce que/qu’
what
Qui
Whom (inverted verb/subject)
Que/qu’
What
Qui at the beginning
person
Qu’ at the beginning
thing
qui a the end
subject question
que/qu’ at the end
object question
comment
how
combien (de’d)
how much/many
Où
where
Quand
when
Quel(le)(s)
what/which (adjective, agrees with noun)
Pourquoi
why