I must perfuse you must perfuse she must perfuse we must perfuse you must perfuse they must perfuse
Forme en V-ing
I must be perfusing you must be perfusing she must be perfusing we must be perfusing you must be perfusing they must be perfusing
Perfect
I must have perfused you must have perfused she must have perfused we must have perfused you must have perfused they must have perfused
Perfect en V-ing
I must have been perfusing you must have been perfusing she must have been perfusing we must have been perfusing you must have been perfusing they must have been perfusing
Négation
Forme simple
I must not perfuse you must not perfuse she must not perfuse we must not perfuse you must not perfuse they must not perfuse
Forme en V-ing
I must not be perfusing you must not be perfusing she must not be perfusing we must not be perfusing you must not be perfusing they must not be perfusing
Perfect
I must not have perfused you must not have perfused she must not have perfused we must not have perfused you must not have perfused they must not have perfused
Perfect en V-ing
I must not have been perfusing you must not have been perfusing she must not have been perfusing we must not have been perfusing you must not have been perfusing they must not have been perfusing
Forme interrogative
Forme simple
must I perfuse? must you perfuse? must she perfuse? must we perfuse? must you perfuse? must they perfuse?
Forme en V-ing
must I be perfusing? must you be perfusing? must she be perfusing? must we be perfusing? must you be perfusing? must they be perfusing?
Perfect
must I have perfused? must you have perfused? must she have perfused? must we have perfused? must you have perfused? must they have perfused?
Perfect en V-ing
must I have been perfusing? must you have been perfusing? must she have been perfusing? must we have been perfusing? must you have been perfusing? must they have been perfusing?
Forme interro-négative
Forme simple
must I not perfuse? must you not perfuse? must she not perfuse? must we not perfuse? must you not perfuse? must they not perfuse?
Forme en V-ing
must I not be perfusing? must you not be perfusing? must she not be perfusing? must we not be perfusing? must you not be perfusing? must they not be perfusing?
Perfect
must I not have perfused? must you not have perfused? must she not have perfused? must we not have perfused? must you not have perfused? must they not have perfused?
Perfect en V-ing
must I not have been perfusing? must you not have been perfusing? must she not have been perfusing? must we not have been perfusing? must you not have been perfusing? must they not have been perfusing?