must nitrify
Verbe régulier : nitrify - nitrified- nitrified

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must nitrify
you must nitrify
she must nitrify
we must nitrify
you must nitrify
they must nitrify 	I must be nitrifying
you must be nitrifying
she must be nitrifying
we must be nitrifying
you must be nitrifying
they must be nitrifying	I must have nitrified
you must have nitrified
she must have nitrified
we must have nitrified
you must have nitrified
they must have nitrified	I must have been nitrifying
you must have been nitrifying
she must have been nitrifying
we must have been nitrifying
you must have been nitrifying
they must have been nitrifying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not nitrify
you must not nitrify
she must not nitrify
we must not nitrify
you must not nitrify
they must not nitrify 	I must not be nitrifying
you must not be nitrifying
she must not be nitrifying
we must not be nitrifying
you must not be nitrifying
they must not be nitrifying	I must not have nitrified
you must not have nitrified
she must not have nitrified
we must not have nitrified
you must not have nitrified
they must not have nitrified	I must not have been nitrifying
you must not have been nitrifying
she must not have been nitrifying
we must not have been nitrifying
you must not have been nitrifying
they must not have been nitrifying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I nitrify?
must you nitrify?
must she nitrify?
must we nitrify?
must you nitrify?
must they nitrify? 	must I be nitrifying?
must you be nitrifying?
must she be nitrifying?
must we be nitrifying?
must you be nitrifying?
must they be nitrifying? 	must I have nitrified?
must you have nitrified?
must she have nitrified?
must we have nitrified?
must you have nitrified?
must they have nitrified? 	must I have been nitrifying?
must you have been nitrifying?
must she have been nitrifying?
must we have been nitrifying?
must you have been nitrifying?
must they have been nitrifying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not nitrify?
must you not nitrify?
must she not nitrify?
must we not nitrify?
must you not nitrify?
must they not nitrify? 	must I not be nitrifying?
must you not be nitrifying?
must she not be nitrifying?
must we not be nitrifying?
must you not be nitrifying?
must they not be nitrifying? 	must I not have nitrified?
must you not have nitrified?
must she not have nitrified?
must we not have nitrified?
must you not have nitrified?
must they not have nitrified? 	must I not have been nitrifying?
must you not have been nitrifying?
must she not have been nitrifying?
must we not have been nitrifying?
must you not have been nitrifying?
must they not have been nitrifying?