I must gaff you must gaff she must gaff we must gaff you must gaff they must gaff
Forme en V-ing
I must be gaffing you must be gaffing she must be gaffing we must be gaffing you must be gaffing they must be gaffing
Perfect
I must have gaffed you must have gaffed she must have gaffed we must have gaffed you must have gaffed they must have gaffed
Perfect en V-ing
I must have been gaffing you must have been gaffing she must have been gaffing we must have been gaffing you must have been gaffing they must have been gaffing
Négation
Forme simple
I must not gaff you must not gaff she must not gaff we must not gaff you must not gaff they must not gaff
Forme en V-ing
I must not be gaffing you must not be gaffing she must not be gaffing we must not be gaffing you must not be gaffing they must not be gaffing
Perfect
I must not have gaffed you must not have gaffed she must not have gaffed we must not have gaffed you must not have gaffed they must not have gaffed
Perfect en V-ing
I must not have been gaffing you must not have been gaffing she must not have been gaffing we must not have been gaffing you must not have been gaffing they must not have been gaffing
Forme interrogative
Forme simple
must I gaff? must you gaff? must she gaff? must we gaff? must you gaff? must they gaff?
Forme en V-ing
must I be gaffing? must you be gaffing? must she be gaffing? must we be gaffing? must you be gaffing? must they be gaffing?
Perfect
must I have gaffed? must you have gaffed? must she have gaffed? must we have gaffed? must you have gaffed? must they have gaffed?
Perfect en V-ing
must I have been gaffing? must you have been gaffing? must she have been gaffing? must we have been gaffing? must you have been gaffing? must they have been gaffing?
Forme interro-négative
Forme simple
must I not gaff? must you not gaff? must she not gaff? must we not gaff? must you not gaff? must they not gaff?
Forme en V-ing
must I not be gaffing? must you not be gaffing? must she not be gaffing? must we not be gaffing? must you not be gaffing? must they not be gaffing?
Perfect
must I not have gaffed? must you not have gaffed? must she not have gaffed? must we not have gaffed? must you not have gaffed? must they not have gaffed?
Perfect en V-ing
must I not have been gaffing? must you not have been gaffing? must she not have been gaffing? must we not have been gaffing? must you not have been gaffing? must they not have been gaffing?