could enchain
Verbo regular: enchain - enchained- enchained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could enchain
you could enchain
he could enchain
we could enchain
you could enchain
they could enchain 	I could be enchaining
you could be enchaining
he could be enchaining
we could be enchaining
you could be enchaining
they could be enchaining	I could have enchained
you could have enchained
he could have enchained
we could have enchained
you could have enchained
they could have enchained	I could have been enchaining
you could have been enchaining
he could have been enchaining
we could have been enchaining
you could have been enchaining
they could have been enchaining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not enchain
you could not enchain
he could not enchain
we could not enchain
you could not enchain
they could not enchain 	I could not be enchaining
you could not be enchaining
he could not be enchaining
we could not be enchaining
you could not be enchaining
they could not be enchaining	I could not have enchained
you could not have enchained
he could not have enchained
we could not have enchained
you could not have enchained
they could not have enchained	I could not have been enchaining
you could not have been enchaining
he could not have been enchaining
we could not have been enchaining
you could not have been enchaining
they could not have been enchaining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I enchain?
could you enchain?
could he enchain?
could we enchain?
could you enchain?
could they enchain? 	could I be enchaining?
could you be enchaining?
could he be enchaining?
could we be enchaining?
could you be enchaining?
could they be enchaining? 	could I have enchained?
could you have enchained?
could he have enchained?
could we have enchained?
could you have enchained?
could they have enchained? 	could I have been enchaining?
could you have been enchaining?
could he have been enchaining?
could we have been enchaining?
could you have been enchaining?
could they have been enchaining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not enchain?
could you not enchain?
could he not enchain?
could we not enchain?
could you not enchain?
could they not enchain? 	could I not be enchaining?
could you not be enchaining?
could he not be enchaining?
could we not be enchaining?
could you not be enchaining?
could they not be enchaining? 	could I not have enchained?
could you not have enchained?
could he not have enchained?
could we not have enchained?
could you not have enchained?
could they not have enchained? 	could I not have been enchaining?
could you not have been enchaining?
could he not have been enchaining?
could we not have been enchaining?
could you not have been enchaining?
could they not have been enchaining?