could sleeve
Verbo regular: sleeve - sleeved- sleeved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could sleeve
you could sleeve
he could sleeve
we could sleeve
you could sleeve
they could sleeve 	I could be sleeving
you could be sleeving
he could be sleeving
we could be sleeving
you could be sleeving
they could be sleeving	I could have sleeved
you could have sleeved
he could have sleeved
we could have sleeved
you could have sleeved
they could have sleeved	I could have been sleeving
you could have been sleeving
he could have been sleeving
we could have been sleeving
you could have been sleeving
they could have been sleeving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not sleeve
you could not sleeve
he could not sleeve
we could not sleeve
you could not sleeve
they could not sleeve 	I could not be sleeving
you could not be sleeving
he could not be sleeving
we could not be sleeving
you could not be sleeving
they could not be sleeving	I could not have sleeved
you could not have sleeved
he could not have sleeved
we could not have sleeved
you could not have sleeved
they could not have sleeved	I could not have been sleeving
you could not have been sleeving
he could not have been sleeving
we could not have been sleeving
you could not have been sleeving
they could not have been sleeving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I sleeve?
could you sleeve?
could he sleeve?
could we sleeve?
could you sleeve?
could they sleeve? 	could I be sleeving?
could you be sleeving?
could he be sleeving?
could we be sleeving?
could you be sleeving?
could they be sleeving? 	could I have sleeved?
could you have sleeved?
could he have sleeved?
could we have sleeved?
could you have sleeved?
could they have sleeved? 	could I have been sleeving?
could you have been sleeving?
could he have been sleeving?
could we have been sleeving?
could you have been sleeving?
could they have been sleeving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not sleeve?
could you not sleeve?
could he not sleeve?
could we not sleeve?
could you not sleeve?
could they not sleeve? 	could I not be sleeving?
could you not be sleeving?
could he not be sleeving?
could we not be sleeving?
could you not be sleeving?
could they not be sleeving? 	could I not have sleeved?
could you not have sleeved?
could he not have sleeved?
could we not have sleeved?
could you not have sleeved?
could they not have sleeved? 	could I not have been sleeving?
could you not have been sleeving?
could he not have been sleeving?
could we not have been sleeving?
could you not have been sleeving?
could they not have been sleeving?