could hull
Verbo regular: hull - hulled- hulled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could hull
you could hull
he could hull
we could hull
you could hull
they could hull 	I could be hulling
you could be hulling
he could be hulling
we could be hulling
you could be hulling
they could be hulling	I could have hulled
you could have hulled
he could have hulled
we could have hulled
you could have hulled
they could have hulled	I could have been hulling
you could have been hulling
he could have been hulling
we could have been hulling
you could have been hulling
they could have been hulling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not hull
you could not hull
he could not hull
we could not hull
you could not hull
they could not hull 	I could not be hulling
you could not be hulling
he could not be hulling
we could not be hulling
you could not be hulling
they could not be hulling	I could not have hulled
you could not have hulled
he could not have hulled
we could not have hulled
you could not have hulled
they could not have hulled	I could not have been hulling
you could not have been hulling
he could not have been hulling
we could not have been hulling
you could not have been hulling
they could not have been hulling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I hull?
could you hull?
could he hull?
could we hull?
could you hull?
could they hull? 	could I be hulling?
could you be hulling?
could he be hulling?
could we be hulling?
could you be hulling?
could they be hulling? 	could I have hulled?
could you have hulled?
could he have hulled?
could we have hulled?
could you have hulled?
could they have hulled? 	could I have been hulling?
could you have been hulling?
could he have been hulling?
could we have been hulling?
could you have been hulling?
could they have been hulling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not hull?
could you not hull?
could he not hull?
could we not hull?
could you not hull?
could they not hull? 	could I not be hulling?
could you not be hulling?
could he not be hulling?
could we not be hulling?
could you not be hulling?
could they not be hulling? 	could I not have hulled?
could you not have hulled?
could he not have hulled?
could we not have hulled?
could you not have hulled?
could they not have hulled? 	could I not have been hulling?
could you not have been hulling?
could he not have been hulling?
could we not have been hulling?
could you not have been hulling?
could they not have been hulling?