could constrict
Verbo regular: constrict - constricted- constricted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could constrict
you could constrict
he could constrict
we could constrict
you could constrict
they could constrict 	I could be constricting
you could be constricting
he could be constricting
we could be constricting
you could be constricting
they could be constricting	I could have constricted
you could have constricted
he could have constricted
we could have constricted
you could have constricted
they could have constricted	I could have been constricting
you could have been constricting
he could have been constricting
we could have been constricting
you could have been constricting
they could have been constricting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not constrict
you could not constrict
he could not constrict
we could not constrict
you could not constrict
they could not constrict 	I could not be constricting
you could not be constricting
he could not be constricting
we could not be constricting
you could not be constricting
they could not be constricting	I could not have constricted
you could not have constricted
he could not have constricted
we could not have constricted
you could not have constricted
they could not have constricted	I could not have been constricting
you could not have been constricting
he could not have been constricting
we could not have been constricting
you could not have been constricting
they could not have been constricting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I constrict?
could you constrict?
could he constrict?
could we constrict?
could you constrict?
could they constrict? 	could I be constricting?
could you be constricting?
could he be constricting?
could we be constricting?
could you be constricting?
could they be constricting? 	could I have constricted?
could you have constricted?
could he have constricted?
could we have constricted?
could you have constricted?
could they have constricted? 	could I have been constricting?
could you have been constricting?
could he have been constricting?
could we have been constricting?
could you have been constricting?
could they have been constricting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not constrict?
could you not constrict?
could he not constrict?
could we not constrict?
could you not constrict?
could they not constrict? 	could I not be constricting?
could you not be constricting?
could he not be constricting?
could we not be constricting?
could you not be constricting?
could they not be constricting? 	could I not have constricted?
could you not have constricted?
could he not have constricted?
could we not have constricted?
could you not have constricted?
could they not have constricted? 	could I not have been constricting?
could you not have been constricting?
could he not have been constricting?
could we not have been constricting?
could you not have been constricting?
could they not have been constricting?