could heel
Verbo regular: heel - heeled- heeled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could heel
you could heel
he could heel
we could heel
you could heel
they could heel 	I could be heeling
you could be heeling
he could be heeling
we could be heeling
you could be heeling
they could be heeling	I could have heeled
you could have heeled
he could have heeled
we could have heeled
you could have heeled
they could have heeled	I could have been heeling
you could have been heeling
he could have been heeling
we could have been heeling
you could have been heeling
they could have been heeling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not heel
you could not heel
he could not heel
we could not heel
you could not heel
they could not heel 	I could not be heeling
you could not be heeling
he could not be heeling
we could not be heeling
you could not be heeling
they could not be heeling	I could not have heeled
you could not have heeled
he could not have heeled
we could not have heeled
you could not have heeled
they could not have heeled	I could not have been heeling
you could not have been heeling
he could not have been heeling
we could not have been heeling
you could not have been heeling
they could not have been heeling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I heel?
could you heel?
could he heel?
could we heel?
could you heel?
could they heel? 	could I be heeling?
could you be heeling?
could he be heeling?
could we be heeling?
could you be heeling?
could they be heeling? 	could I have heeled?
could you have heeled?
could he have heeled?
could we have heeled?
could you have heeled?
could they have heeled? 	could I have been heeling?
could you have been heeling?
could he have been heeling?
could we have been heeling?
could you have been heeling?
could they have been heeling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not heel?
could you not heel?
could he not heel?
could we not heel?
could you not heel?
could they not heel? 	could I not be heeling?
could you not be heeling?
could he not be heeling?
could we not be heeling?
could you not be heeling?
could they not be heeling? 	could I not have heeled?
could you not have heeled?
could he not have heeled?
could we not have heeled?
could you not have heeled?
could they not have heeled? 	could I not have been heeling?
could you not have been heeling?
could he not have been heeling?
could we not have been heeling?
could you not have been heeling?
could they not have been heeling?