could nitrify
Verbo regolare: nitrify - nitrified- nitrified

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could nitrify
you could nitrify
he could nitrify
we could nitrify
you could nitrify
they could nitrify 	I could be nitrifying
you could be nitrifying
he could be nitrifying
we could be nitrifying
you could be nitrifying
they could be nitrifying	I could have nitrified
you could have nitrified
he could have nitrified
we could have nitrified
you could have nitrified
they could have nitrified	I could have been nitrifying
you could have been nitrifying
he could have been nitrifying
we could have been nitrifying
you could have been nitrifying
they could have been nitrifying	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not nitrify
you could not nitrify
he could not nitrify
we could not nitrify
you could not nitrify
they could not nitrify 	I could not be nitrifying
you could not be nitrifying
he could not be nitrifying
we could not be nitrifying
you could not be nitrifying
they could not be nitrifying	I could not have nitrified
you could not have nitrified
he could not have nitrified
we could not have nitrified
you could not have nitrified
they could not have nitrified	I could not have been nitrifying
you could not have been nitrifying
he could not have been nitrifying
we could not have been nitrifying
you could not have been nitrifying
they could not have been nitrifying	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I nitrify?
could you nitrify?
could he nitrify?
could we nitrify?
could you nitrify?
could they nitrify? 	could I be nitrifying?
could you be nitrifying?
could he be nitrifying?
could we be nitrifying?
could you be nitrifying?
could they be nitrifying? 	could I have nitrified?
could you have nitrified?
could he have nitrified?
could we have nitrified?
could you have nitrified?
could they have nitrified? 	could I have been nitrifying?
could you have been nitrifying?
could he have been nitrifying?
could we have been nitrifying?
could you have been nitrifying?
could they have been nitrifying? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not nitrify?
could you not nitrify?
could he not nitrify?
could we not nitrify?
could you not nitrify?
could they not nitrify? 	could I not be nitrifying?
could you not be nitrifying?
could he not be nitrifying?
could we not be nitrifying?
could you not be nitrifying?
could they not be nitrifying? 	could I not have nitrified?
could you not have nitrified?
could he not have nitrified?
could we not have nitrified?
could you not have nitrified?
could they not have nitrified? 	could I not have been nitrifying?
could you not have been nitrifying?
could he not have been nitrifying?
could we not have been nitrifying?
could you not have been nitrifying?
could they not have been nitrifying?