could couch
Verbo regular: couch - couched- couched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could couch
you could couch
he could couch
we could couch
you could couch
they could couch 	I could be couching
you could be couching
he could be couching
we could be couching
you could be couching
they could be couching	I could have couched
you could have couched
he could have couched
we could have couched
you could have couched
they could have couched	I could have been couching
you could have been couching
he could have been couching
we could have been couching
you could have been couching
they could have been couching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not couch
you could not couch
he could not couch
we could not couch
you could not couch
they could not couch 	I could not be couching
you could not be couching
he could not be couching
we could not be couching
you could not be couching
they could not be couching	I could not have couched
you could not have couched
he could not have couched
we could not have couched
you could not have couched
they could not have couched	I could not have been couching
you could not have been couching
he could not have been couching
we could not have been couching
you could not have been couching
they could not have been couching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I couch?
could you couch?
could he couch?
could we couch?
could you couch?
could they couch? 	could I be couching?
could you be couching?
could he be couching?
could we be couching?
could you be couching?
could they be couching? 	could I have couched?
could you have couched?
could he have couched?
could we have couched?
could you have couched?
could they have couched? 	could I have been couching?
could you have been couching?
could he have been couching?
could we have been couching?
could you have been couching?
could they have been couching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not couch?
could you not couch?
could he not couch?
could we not couch?
could you not couch?
could they not couch? 	could I not be couching?
could you not be couching?
could he not be couching?
could we not be couching?
could you not be couching?
could they not be couching? 	could I not have couched?
could you not have couched?
could he not have couched?
could we not have couched?
could you not have couched?
could they not have couched? 	could I not have been couching?
could you not have been couching?
could he not have been couching?
could we not have been couching?
could you not have been couching?
could they not have been couching?