I must skeletonize you must skeletonize he must skeletonize we must skeletonize you must skeletonize they must skeletonize
Forme en V-ing
I must be skeletonizing you must be skeletonizing he must be skeletonizing we must be skeletonizing you must be skeletonizing they must be skeletonizing
Perfect
I must have skeletonized you must have skeletonized he must have skeletonized we must have skeletonized you must have skeletonized they must have skeletonized
Perfect en V-ing
I must have been skeletonizing you must have been skeletonizing he must have been skeletonizing we must have been skeletonizing you must have been skeletonizing they must have been skeletonizing
Négation
Forme simple
I must not skeletonize you must not skeletonize he must not skeletonize we must not skeletonize you must not skeletonize they must not skeletonize
Forme en V-ing
I must not be skeletonizing you must not be skeletonizing he must not be skeletonizing we must not be skeletonizing you must not be skeletonizing they must not be skeletonizing
Perfect
I must not have skeletonized you must not have skeletonized he must not have skeletonized we must not have skeletonized you must not have skeletonized they must not have skeletonized
Perfect en V-ing
I must not have been skeletonizing you must not have been skeletonizing he must not have been skeletonizing we must not have been skeletonizing you must not have been skeletonizing they must not have been skeletonizing
Forme interrogative
Forme simple
must I skeletonize? must you skeletonize? must he skeletonize? must we skeletonize? must you skeletonize? must they skeletonize?
Forme en V-ing
must I be skeletonizing? must you be skeletonizing? must he be skeletonizing? must we be skeletonizing? must you be skeletonizing? must they be skeletonizing?
Perfect
must I have skeletonized? must you have skeletonized? must he have skeletonized? must we have skeletonized? must you have skeletonized? must they have skeletonized?
Perfect en V-ing
must I have been skeletonizing? must you have been skeletonizing? must he have been skeletonizing? must we have been skeletonizing? must you have been skeletonizing? must they have been skeletonizing?
Forme interro-négative
Forme simple
must I not skeletonize? must you not skeletonize? must he not skeletonize? must we not skeletonize? must you not skeletonize? must they not skeletonize?
Forme en V-ing
must I not be skeletonizing? must you not be skeletonizing? must he not be skeletonizing? must we not be skeletonizing? must you not be skeletonizing? must they not be skeletonizing?
Perfect
must I not have skeletonized? must you not have skeletonized? must he not have skeletonized? must we not have skeletonized? must you not have skeletonized? must they not have skeletonized?
Perfect en V-ing
must I not have been skeletonizing? must you not have been skeletonizing? must he not have been skeletonizing? must we not have been skeletonizing? must you not have been skeletonizing? must they not have been skeletonizing?