must nitrify
Verbo regular: nitrify - nitrified- nitrified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must nitrify
you must nitrify
he must nitrify
we must nitrify
you must nitrify
they must nitrify 	I must be nitrifying
you must be nitrifying
he must be nitrifying
we must be nitrifying
you must be nitrifying
they must be nitrifying	I must have nitrified
you must have nitrified
he 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
he must have been nitrifying
we must have been nitrifying
you must have been nitrifying
they must have been nitrifying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't nitrify
you mustn't nitrify
he mustn't nitrify
we mustn't nitrify
you mustn't nitrify
they mustn't nitrify 	I mustn't be nitrifying
you mustn't be nitrifying
he mustn't be nitrifying
we mustn't be nitrifying
you mustn't be nitrifying
they mustn't be nitrifying	I mustn't have nitrified
you mustn't have nitrified
he mustn't have nitrified
we mustn't have nitrified
you mustn't have nitrified
they mustn't have nitrified	I mustn't have been nitrifying
you mustn't have been nitrifying
he mustn't have been nitrifying
we mustn't have been nitrifying
you mustn't have been nitrifying
they mustn't have been nitrifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I nitrify?
must you nitrify?
must he nitrify?
must we nitrify?
must you nitrify?
must they nitrify? 	must I be nitrifying?
must you be nitrifying?
must he be nitrifying?
must we be nitrifying?
must you be nitrifying?
must they be nitrifying? 	must I have nitrified?
must you have nitrified?
must he 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 he have been nitrifying?
must we have been nitrifying?
must you have been nitrifying?
must they have been nitrifying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I nitrify?
mustn't you nitrify?
mustn't he nitrify?
mustn't we nitrify?
mustn't you nitrify?
mustn't they nitrify? 	mustn't I be nitrifying?
mustn't you be nitrifying?
mustn't he be nitrifying?
mustn't we be nitrifying?
mustn't you be nitrifying?
mustn't they be nitrifying? 	mustn't I have nitrified?
mustn't you have nitrified?
mustn't he have nitrified?
mustn't we have nitrified?
mustn't you have nitrified?
mustn't they have nitrified? 	mustn't I have been nitrifying?
mustn't you have been nitrifying?
mustn't he have been nitrifying?
mustn't we have been nitrifying?
mustn't you have been nitrifying?
mustn't they have been nitrifying?