could release
Verbo regular: release - released- released

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could release
you could release
he could release
we could release
you could release
they could release 	I could be releasing
you could be releasing
he could be releasing
we could be releasing
you could be releasing
they could be releasing	I could have released
you could have released
he could have released
we could have released
you could have released
they could have released	I could have been releasing
you could have been releasing
he could have been releasing
we could have been releasing
you could have been releasing
they could have been releasing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not release
you could not release
he could not release
we could not release
you could not release
they could not release 	I could not be releasing
you could not be releasing
he could not be releasing
we could not be releasing
you could not be releasing
they could not be releasing	I could not have released
you could not have released
he could not have released
we could not have released
you could not have released
they could not have released	I could not have been releasing
you could not have been releasing
he could not have been releasing
we could not have been releasing
you could not have been releasing
they could not have been releasing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I release?
could you release?
could he release?
could we release?
could you release?
could they release? 	could I be releasing?
could you be releasing?
could he be releasing?
could we be releasing?
could you be releasing?
could they be releasing? 	could I have released?
could you have released?
could he have released?
could we have released?
could you have released?
could they have released? 	could I have been releasing?
could you have been releasing?
could he have been releasing?
could we have been releasing?
could you have been releasing?
could they have been releasing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not release?
could you not release?
could he not release?
could we not release?
could you not release?
could they not release? 	could I not be releasing?
could you not be releasing?
could he not be releasing?
could we not be releasing?
could you not be releasing?
could they not be releasing? 	could I not have released?
could you not have released?
could he not have released?
could we not have released?
could you not have released?
could they not have released? 	could I not have been releasing?
could you not have been releasing?
could he not have been releasing?
could we not have been releasing?
could you not have been releasing?
could they not have been releasing?