I must wall you must wall she must wall we must wall you must wall they must wall
Forme en V-ing
I must be walling you must be walling she must be walling we must be walling you must be walling they must be walling
Perfect
I must have walled you must have walled she must have walled we must have walled you must have walled they must have walled
Perfect en V-ing
I must have been walling you must have been walling she must have been walling we must have been walling you must have been walling they must have been walling
Négation
Forme simple
I must not wall you must not wall she must not wall we must not wall you must not wall they must not wall
Forme en V-ing
I must not be walling you must not be walling she must not be walling we must not be walling you must not be walling they must not be walling
Perfect
I must not have walled you must not have walled she must not have walled we must not have walled you must not have walled they must not have walled
Perfect en V-ing
I must not have been walling you must not have been walling she must not have been walling we must not have been walling you must not have been walling they must not have been walling
Forme interrogative
Forme simple
must I wall? must you wall? must she wall? must we wall? must you wall? must they wall?
Forme en V-ing
must I be walling? must you be walling? must she be walling? must we be walling? must you be walling? must they be walling?
Perfect
must I have walled? must you have walled? must she have walled? must we have walled? must you have walled? must they have walled?
Perfect en V-ing
must I have been walling? must you have been walling? must she have been walling? must we have been walling? must you have been walling? must they have been walling?
Forme interro-négative
Forme simple
must I not wall? must you not wall? must she not wall? must we not wall? must you not wall? must they not wall?
Forme en V-ing
must I not be walling? must you not be walling? must she not be walling? must we not be walling? must you not be walling? must they not be walling?
Perfect
must I not have walled? must you not have walled? must she not have walled? must we not have walled? must you not have walled? must they not have walled?
Perfect en V-ing
must I not have been walling? must you not have been walling? must she not have been walling? must we not have been walling? must you not have been walling? must they not have been walling?