could differ
Verbo regular: differ - differed- differed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could differ
you could differ
she could differ
we could differ
you could differ
they could differ 	I could be differing
you could be differing
she could be differing
we could be differing
you could be differing
they could be differing	I could have differed
you could have differed
she could have differed
we could have differed
you could have differed
they could have differed	I could have been differing
you could have been differing
she could have been differing
we could have been differing
you could have been differing
they could have been differing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not differ
you could not differ
she could not differ
we could not differ
you could not differ
they could not differ 	I could not be differing
you could not be differing
she could not be differing
we could not be differing
you could not be differing
they could not be differing	I could not have differed
you could not have differed
she could not have differed
we could not have differed
you could not have differed
they could not have differed	I could not have been differing
you could not have been differing
she could not have been differing
we could not have been differing
you could not have been differing
they could not have been differing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I differ?
could you differ?
could she differ?
could we differ?
could you differ?
could they differ? 	could I be differing?
could you be differing?
could she be differing?
could we be differing?
could you be differing?
could they be differing? 	could I have differed?
could you have differed?
could she have differed?
could we have differed?
could you have differed?
could they have differed? 	could I have been differing?
could you have been differing?
could she have been differing?
could we have been differing?
could you have been differing?
could they have been differing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not differ?
could you not differ?
could she not differ?
could we not differ?
could you not differ?
could they not differ? 	could I not be differing?
could you not be differing?
could she not be differing?
could we not be differing?
could you not be differing?
could they not be differing? 	could I not have differed?
could you not have differed?
could she not have differed?
could we not have differed?
could you not have differed?
could they not have differed? 	could I not have been differing?
could you not have been differing?
could she not have been differing?
could we not have been differing?
could you not have been differing?
could they not have been differing?