I must befool you must befool he must befool we must befool you must befool they must befool
Forme en V-ing
I must be befooling you must be befooling he must be befooling we must be befooling you must be befooling they must be befooling
Perfect
I must have befooled you must have befooled he must have befooled we must have befooled you must have befooled they must have befooled
Perfect en V-ing
I must have been befooling you must have been befooling he must have been befooling we must have been befooling you must have been befooling they must have been befooling
Négation
Forme simple
I must not befool you must not befool he must not befool we must not befool you must not befool they must not befool
Forme en V-ing
I must not be befooling you must not be befooling he must not be befooling we must not be befooling you must not be befooling they must not be befooling
Perfect
I must not have befooled you must not have befooled he must not have befooled we must not have befooled you must not have befooled they must not have befooled
Perfect en V-ing
I must not have been befooling you must not have been befooling he must not have been befooling we must not have been befooling you must not have been befooling they must not have been befooling
Forme interrogative
Forme simple
must I befool? must you befool? must he befool? must we befool? must you befool? must they befool?
Forme en V-ing
must I be befooling? must you be befooling? must he be befooling? must we be befooling? must you be befooling? must they be befooling?
Perfect
must I have befooled? must you have befooled? must he have befooled? must we have befooled? must you have befooled? must they have befooled?
Perfect en V-ing
must I have been befooling? must you have been befooling? must he have been befooling? must we have been befooling? must you have been befooling? must they have been befooling?
Forme interro-négative
Forme simple
must I not befool? must you not befool? must he not befool? must we not befool? must you not befool? must they not befool?
Forme en V-ing
must I not be befooling? must you not be befooling? must he not be befooling? must we not be befooling? must you not be befooling? must they not be befooling?
Perfect
must I not have befooled? must you not have befooled? must he not have befooled? must we not have befooled? must you not have befooled? must they not have befooled?
Perfect en V-ing
must I not have been befooling? must you not have been befooling? must he not have been befooling? must we not have been befooling? must you not have been befooling? must they not have been befooling?