could disbelieve
Verbo regular: disbelieve - disbelieved- disbelieved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could disbelieve
you could disbelieve
he could disbelieve
we could disbelieve
you could disbelieve
they could disbelieve 	I could be disbelieving
you could be disbelieving
he could be disbelieving
we could be disbelieving
you could be disbelieving
they could be disbelieving	I could have disbelieved
you could have disbelieved
he could have disbelieved
we could have disbelieved
you could have disbelieved
they could have disbelieved	I could have been disbelieving
you could have been disbelieving
he could have been disbelieving
we could have been disbelieving
you could have been disbelieving
they could have been disbelieving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not disbelieve
you could not disbelieve
he could not disbelieve
we could not disbelieve
you could not disbelieve
they could not disbelieve 	I could not be disbelieving
you could not be disbelieving
he could not be disbelieving
we could not be disbelieving
you could not be disbelieving
they could not be disbelieving	I could not have disbelieved
you could not have disbelieved
he could not have disbelieved
we could not have disbelieved
you could not have disbelieved
they could not have disbelieved	I could not have been disbelieving
you could not have been disbelieving
he could not have been disbelieving
we could not have been disbelieving
you could not have been disbelieving
they could not have been disbelieving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I disbelieve?
could you disbelieve?
could he disbelieve?
could we disbelieve?
could you disbelieve?
could they disbelieve? 	could I be disbelieving?
could you be disbelieving?
could he be disbelieving?
could we be disbelieving?
could you be disbelieving?
could they be disbelieving? 	could I have disbelieved?
could you have disbelieved?
could he have disbelieved?
could we have disbelieved?
could you have disbelieved?
could they have disbelieved? 	could I have been disbelieving?
could you have been disbelieving?
could he have been disbelieving?
could we have been disbelieving?
could you have been disbelieving?
could they have been disbelieving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not disbelieve?
could you not disbelieve?
could he not disbelieve?
could we not disbelieve?
could you not disbelieve?
could they not disbelieve? 	could I not be disbelieving?
could you not be disbelieving?
could he not be disbelieving?
could we not be disbelieving?
could you not be disbelieving?
could they not be disbelieving? 	could I not have disbelieved?
could you not have disbelieved?
could he not have disbelieved?
could we not have disbelieved?
could you not have disbelieved?
could they not have disbelieved? 	could I not have been disbelieving?
could you not have been disbelieving?
could he not have been disbelieving?
could we not have been disbelieving?
could you not have been disbelieving?
could they not have been disbelieving?