must lithify
Verbe régulier : lithify - lithified- lithified

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must lithify
you must lithify
she must lithify
we must lithify
you must lithify
they must lithify 	I must be lithifying
you must be lithifying
she must be lithifying
we must be lithifying
you must be lithifying
they must be lithifying	I must have lithified
you must have lithified
she must have lithified
we must have lithified
you must have lithified
they must have lithified	I must have been lithifying
you must have been lithifying
she must have been lithifying
we must have been lithifying
you must have been lithifying
they must have been lithifying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not lithify
you must not lithify
she must not lithify
we must not lithify
you must not lithify
they must not lithify 	I must not be lithifying
you must not be lithifying
she must not be lithifying
we must not be lithifying
you must not be lithifying
they must not be lithifying	I must not have lithified
you must not have lithified
she must not have lithified
we must not have lithified
you must not have lithified
they must not have lithified	I must not have been lithifying
you must not have been lithifying
she must not have been lithifying
we must not have been lithifying
you must not have been lithifying
they must not have been lithifying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I lithify?
must you lithify?
must she lithify?
must we lithify?
must you lithify?
must they lithify? 	must I be lithifying?
must you be lithifying?
must she be lithifying?
must we be lithifying?
must you be lithifying?
must they be lithifying? 	must I have lithified?
must you have lithified?
must she have lithified?
must we have lithified?
must you have lithified?
must they have lithified? 	must I have been lithifying?
must you have been lithifying?
must she have been lithifying?
must we have been lithifying?
must you have been lithifying?
must they have been lithifying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not lithify?
must you not lithify?
must she not lithify?
must we not lithify?
must you not lithify?
must they not lithify? 	must I not be lithifying?
must you not be lithifying?
must she not be lithifying?
must we not be lithifying?
must you not be lithifying?
must they not be lithifying? 	must I not have lithified?
must you not have lithified?
must she not have lithified?
must we not have lithified?
must you not have lithified?
must they not have lithified? 	must I not have been lithifying?
must you not have been lithifying?
must she not have been lithifying?
must we not have been lithifying?
must you not have been lithifying?
must they not have been lithifying?