must fossilize
Verbe régulier : fossilize - fossilized- fossilized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must fossilize
you must fossilize
she must fossilize
we must fossilize
you must fossilize
they must fossilize 	I must be fossilizing
you must be fossilizing
she must be fossilizing
we must be fossilizing
you must be fossilizing
they must be fossilizing	I must have fossilized
you must have fossilized
she must have fossilized
we must have fossilized
you must have fossilized
they must have fossilized	I must have been fossilizing
you must have been fossilizing
she must have been fossilizing
we must have been fossilizing
you must have been fossilizing
they must have been fossilizing	

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

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