could pull
Verbo regular: pull - pulled- pulled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could pull
you could pull
he could pull
we could pull
you could pull
they could pull 	I could be pulling
you could be pulling
he could be pulling
we could be pulling
you could be pulling
they could be pulling	I could have pulled
you could have pulled
he could have pulled
we could have pulled
you could have pulled
they could have pulled	I could have been pulling
you could have been pulling
he could have been pulling
we could have been pulling
you could have been pulling
they could have been pulling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not pull
you could not pull
he could not pull
we could not pull
you could not pull
they could not pull 	I could not be pulling
you could not be pulling
he could not be pulling
we could not be pulling
you could not be pulling
they could not be pulling	I could not have pulled
you could not have pulled
he could not have pulled
we could not have pulled
you could not have pulled
they could not have pulled	I could not have been pulling
you could not have been pulling
he could not have been pulling
we could not have been pulling
you could not have been pulling
they could not have been pulling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I pull?
could you pull?
could he pull?
could we pull?
could you pull?
could they pull? 	could I be pulling?
could you be pulling?
could he be pulling?
could we be pulling?
could you be pulling?
could they be pulling? 	could I have pulled?
could you have pulled?
could he have pulled?
could we have pulled?
could you have pulled?
could they have pulled? 	could I have been pulling?
could you have been pulling?
could he have been pulling?
could we have been pulling?
could you have been pulling?
could they have been pulling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not pull?
could you not pull?
could he not pull?
could we not pull?
could you not pull?
could they not pull? 	could I not be pulling?
could you not be pulling?
could he not be pulling?
could we not be pulling?
could you not be pulling?
could they not be pulling? 	could I not have pulled?
could you not have pulled?
could he not have pulled?
could we not have pulled?
could you not have pulled?
could they not have pulled? 	could I not have been pulling?
could you not have been pulling?
could he not have been pulling?
could we not have been pulling?
could you not have been pulling?
could they not have been pulling?