I must skeletonise you must skeletonise he must skeletonise we must skeletonise you must skeletonise they must skeletonise
Forme en V-ing
I must be skeletonising you must be skeletonising he must be skeletonising we must be skeletonising you must be skeletonising they must be skeletonising
Perfect
I must have skeletonised you must have skeletonised he must have skeletonised we must have skeletonised you must have skeletonised they must have skeletonised
Perfect en V-ing
I must have been skeletonising you must have been skeletonising he must have been skeletonising we must have been skeletonising you must have been skeletonising they must have been skeletonising
Négation
Forme simple
I must not skeletonise you must not skeletonise he must not skeletonise we must not skeletonise you must not skeletonise they must not skeletonise
Forme en V-ing
I must not be skeletonising you must not be skeletonising he must not be skeletonising we must not be skeletonising you must not be skeletonising they must not be skeletonising
Perfect
I must not have skeletonised you must not have skeletonised he must not have skeletonised we must not have skeletonised you must not have skeletonised they must not have skeletonised
Perfect en V-ing
I must not have been skeletonising you must not have been skeletonising he must not have been skeletonising we must not have been skeletonising you must not have been skeletonising they must not have been skeletonising
Forme interrogative
Forme simple
must I skeletonise? must you skeletonise? must he skeletonise? must we skeletonise? must you skeletonise? must they skeletonise?
Forme en V-ing
must I be skeletonising? must you be skeletonising? must he be skeletonising? must we be skeletonising? must you be skeletonising? must they be skeletonising?
Perfect
must I have skeletonised? must you have skeletonised? must he have skeletonised? must we have skeletonised? must you have skeletonised? must they have skeletonised?
Perfect en V-ing
must I have been skeletonising? must you have been skeletonising? must he have been skeletonising? must we have been skeletonising? must you have been skeletonising? must they have been skeletonising?
Forme interro-négative
Forme simple
must I not skeletonise? must you not skeletonise? must he not skeletonise? must we not skeletonise? must you not skeletonise? must they not skeletonise?
Forme en V-ing
must I not be skeletonising? must you not be skeletonising? must he not be skeletonising? must we not be skeletonising? must you not be skeletonising? must they not be skeletonising?
Perfect
must I not have skeletonised? must you not have skeletonised? must he not have skeletonised? must we not have skeletonised? must you not have skeletonised? must they not have skeletonised?
Perfect en V-ing
must I not have been skeletonising? must you not have been skeletonising? must he not have been skeletonising? must we not have been skeletonising? must you not have been skeletonising? must they not have been skeletonising?