could widen
Verbo regular: widen - widened- widened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could widen
you could widen
he could widen
we could widen
you could widen
they could widen 	I could be widening
you could be widening
he could be widening
we could be widening
you could be widening
they could be widening	I could have widened
you could have widened
he could have widened
we could have widened
you could have widened
they could have widened	I could have been widening
you could have been widening
he could have been widening
we could have been widening
you could have been widening
they could have been widening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not widen
you could not widen
he could not widen
we could not widen
you could not widen
they could not widen 	I could not be widening
you could not be widening
he could not be widening
we could not be widening
you could not be widening
they could not be widening	I could not have widened
you could not have widened
he could not have widened
we could not have widened
you could not have widened
they could not have widened	I could not have been widening
you could not have been widening
he could not have been widening
we could not have been widening
you could not have been widening
they could not have been widening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I widen?
could you widen?
could he widen?
could we widen?
could you widen?
could they widen? 	could I be widening?
could you be widening?
could he be widening?
could we be widening?
could you be widening?
could they be widening? 	could I have widened?
could you have widened?
could he have widened?
could we have widened?
could you have widened?
could they have widened? 	could I have been widening?
could you have been widening?
could he have been widening?
could we have been widening?
could you have been widening?
could they have been widening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not widen?
could you not widen?
could he not widen?
could we not widen?
could you not widen?
could they not widen? 	could I not be widening?
could you not be widening?
could he not be widening?
could we not be widening?
could you not be widening?
could they not be widening? 	could I not have widened?
could you not have widened?
could he not have widened?
could we not have widened?
could you not have widened?
could they not have widened? 	could I not have been widening?
could you not have been widening?
could he not have been widening?
could we not have been widening?
could you not have been widening?
could they not have been widening?