I must fossilize you must fossilize he must fossilize we must fossilize you must fossilize they must fossilize
Forme en V-ing
I must be fossilizing you must be fossilizing he must be fossilizing we must be fossilizing you must be fossilizing they must be fossilizing
Perfect
I must have fossilized you must have fossilized he must have fossilized we must have fossilized you must have fossilized they must have fossilized
Perfect en V-ing
I must have been fossilizing you must have been fossilizing he must have been fossilizing we must have been fossilizing you must have been fossilizing they must have been fossilizing
Négation
Forme simple
I must not fossilize you must not fossilize he must not fossilize we must not fossilize you must not fossilize they must not fossilize
Forme en V-ing
I must not be fossilizing you must not be fossilizing he must not be fossilizing we must not be fossilizing you must not be fossilizing they must not be fossilizing
Perfect
I must not have fossilized you must not have fossilized he must not have fossilized we must not have fossilized you must not have fossilized they must not have fossilized
Perfect en V-ing
I must not have been fossilizing you must not have been fossilizing he must not have been fossilizing we must not have been fossilizing you must not have been fossilizing they must not have been fossilizing
Forme interrogative
Forme simple
must I fossilize? must you fossilize? must he fossilize? must we fossilize? must you fossilize? must they fossilize?
Forme en V-ing
must I be fossilizing? must you be fossilizing? must he be fossilizing? must we be fossilizing? must you be fossilizing? must they be fossilizing?
Perfect
must I have fossilized? must you have fossilized? must he have fossilized? must we have fossilized? must you have fossilized? must they have fossilized?
Perfect en V-ing
must I have been fossilizing? must you have been fossilizing? must he have been fossilizing? must we have been fossilizing? must you have been fossilizing? must they have been fossilizing?
Forme interro-négative
Forme simple
must I not fossilize? must you not fossilize? must he not fossilize? must we not fossilize? must you not fossilize? must they not fossilize?
Forme en V-ing
must I not be fossilizing? must you not be fossilizing? must he not be fossilizing? must we not be fossilizing? must you not be fossilizing? must they not be fossilizing?
Perfect
must I not have fossilized? must you not have fossilized? must he not have fossilized? must we not have fossilized? must you not have fossilized? must they not have fossilized?
Perfect en V-ing
must I not have been fossilizing? must you not have been fossilizing? must he not have been fossilizing? must we not have been fossilizing? must you not have been fossilizing? must they not have been fossilizing?