must nitrate
Verbe régulier : nitrate - nitrated- nitrated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must nitrate
you must nitrate
she must nitrate
we must nitrate
you must nitrate
they must nitrate 	I must be nitrating
you must be nitrating
she must be nitrating
we must be nitrating
you must be nitrating
they must be nitrating	I must have nitrated
you must have nitrated
she must have nitrated
we must have nitrated
you must have nitrated
they must have nitrated	I must have been nitrating
you must have been nitrating
she must have been nitrating
we must have been nitrating
you must have been nitrating
they must have been nitrating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not nitrate
you must not nitrate
she must not nitrate
we must not nitrate
you must not nitrate
they must not nitrate 	I must not be nitrating
you must not be nitrating
she must not be nitrating
we must not be nitrating
you must not be nitrating
they must not be nitrating	I must not have nitrated
you must not have nitrated
she must not have nitrated
we must not have nitrated
you must not have nitrated
they must not have nitrated	I must not have been nitrating
you must not have been nitrating
she must not have been nitrating
we must not have been nitrating
you must not have been nitrating
they must not have been nitrating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I nitrate?
must you nitrate?
must she nitrate?
must we nitrate?
must you nitrate?
must they nitrate? 	must I be nitrating?
must you be nitrating?
must she be nitrating?
must we be nitrating?
must you be nitrating?
must they be nitrating? 	must I have nitrated?
must you have nitrated?
must she have nitrated?
must we have nitrated?
must you have nitrated?
must they have nitrated? 	must I have been nitrating?
must you have been nitrating?
must she have been nitrating?
must we have been nitrating?
must you have been nitrating?
must they have been nitrating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not nitrate?
must you not nitrate?
must she not nitrate?
must we not nitrate?
must you not nitrate?
must they not nitrate? 	must I not be nitrating?
must you not be nitrating?
must she not be nitrating?
must we not be nitrating?
must you not be nitrating?
must they not be nitrating? 	must I not have nitrated?
must you not have nitrated?
must she not have nitrated?
must we not have nitrated?
must you not have nitrated?
must they not have nitrated? 	must I not have been nitrating?
must you not have been nitrating?
must she not have been nitrating?
must we not have been nitrating?
must you not have been nitrating?
must they not have been nitrating?