could underlay
Verbo irregular: underlay - underlaid- underlaid

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could underlay
you could underlay
she could underlay
we could underlay
you could underlay
they could underlay 	I could be underlaying
you could be underlaying
she could be underlaying
we could be underlaying
you could be underlaying
they could be underlaying	I could have underlaid
you could have underlaid
she could have underlaid
we could have underlaid
you could have underlaid
they could have underlaid	I could have been underlaying
you could have been underlaying
she could have been underlaying
we could have been underlaying
you could have been underlaying
they could have been underlaying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not underlay
you could not underlay
she could not underlay
we could not underlay
you could not underlay
they could not underlay 	I could not be underlaying
you could not be underlaying
she could not be underlaying
we could not be underlaying
you could not be underlaying
they could not be underlaying	I could not have underlaid
you could not have underlaid
she could not have underlaid
we could not have underlaid
you could not have underlaid
they could not have underlaid	I could not have been underlaying
you could not have been underlaying
she could not have been underlaying
we could not have been underlaying
you could not have been underlaying
they could not have been underlaying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I underlay?
could you underlay?
could she underlay?
could we underlay?
could you underlay?
could they underlay? 	could I be underlaying?
could you be underlaying?
could she be underlaying?
could we be underlaying?
could you be underlaying?
could they be underlaying? 	could I have underlaid?
could you have underlaid?
could she have underlaid?
could we have underlaid?
could you have underlaid?
could they have underlaid? 	could I have been underlaying?
could you have been underlaying?
could she have been underlaying?
could we have been underlaying?
could you have been underlaying?
could they have been underlaying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not underlay?
could you not underlay?
could she not underlay?
could we not underlay?
could you not underlay?
could they not underlay? 	could I not be underlaying?
could you not be underlaying?
could she not be underlaying?
could we not be underlaying?
could you not be underlaying?
could they not be underlaying? 	could I not have underlaid?
could you not have underlaid?
could she not have underlaid?
could we not have underlaid?
could you not have underlaid?
could they not have underlaid? 	could I not have been underlaying?
could you not have been underlaying?
could she not have been underlaying?
could we not have been underlaying?
could you not have been underlaying?
could they not have been underlaying?