I must befoul you must befoul she must befoul we must befoul you must befoul they must befoul
Forme en V-ing
I must be befouling you must be befouling she must be befouling we must be befouling you must be befouling they must be befouling
Perfect
I must have befouled you must have befouled she must have befouled we must have befouled you must have befouled they must have befouled
Perfect en V-ing
I must have been befouling you must have been befouling she must have been befouling we must have been befouling you must have been befouling they must have been befouling
Négation
Forme simple
I must not befoul you must not befoul she must not befoul we must not befoul you must not befoul they must not befoul
Forme en V-ing
I must not be befouling you must not be befouling she must not be befouling we must not be befouling you must not be befouling they must not be befouling
Perfect
I must not have befouled you must not have befouled she must not have befouled we must not have befouled you must not have befouled they must not have befouled
Perfect en V-ing
I must not have been befouling you must not have been befouling she must not have been befouling we must not have been befouling you must not have been befouling they must not have been befouling
Forme interrogative
Forme simple
must I befoul? must you befoul? must she befoul? must we befoul? must you befoul? must they befoul?
Forme en V-ing
must I be befouling? must you be befouling? must she be befouling? must we be befouling? must you be befouling? must they be befouling?
Perfect
must I have befouled? must you have befouled? must she have befouled? must we have befouled? must you have befouled? must they have befouled?
Perfect en V-ing
must I have been befouling? must you have been befouling? must she have been befouling? must we have been befouling? must you have been befouling? must they have been befouling?
Forme interro-négative
Forme simple
must I not befoul? must you not befoul? must she not befoul? must we not befoul? must you not befoul? must they not befoul?
Forme en V-ing
must I not be befouling? must you not be befouling? must she not be befouling? must we not be befouling? must you not be befouling? must they not be befouling?
Perfect
must I not have befouled? must you not have befouled? must she not have befouled? must we not have befouled? must you not have befouled? must they not have befouled?
Perfect en V-ing
must I not have been befouling? must you not have been befouling? must she not have been befouling? must we not have been befouling? must you not have been befouling? must they not have been befouling?