could glasspaper
Verbo regular: glasspaper - glasspapered- glasspapered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could glasspaper
you could glasspaper
he could glasspaper
we could glasspaper
you could glasspaper
they could glasspaper 	I could be glasspapering
you could be glasspapering
he could be glasspapering
we could be glasspapering
you could be glasspapering
they could be glasspapering	I could have glasspapered
you could have glasspapered
he could have glasspapered
we could have glasspapered
you could have glasspapered
they could have glasspapered	I could have been glasspapering
you could have been glasspapering
he could have been glasspapering
we could have been glasspapering
you could have been glasspapering
they could have been glasspapering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't glasspaper
you couldn't glasspaper
he couldn't glasspaper
we couldn't glasspaper
you couldn't glasspaper
they couldn't glasspaper 	I couldn't be glasspapering
you couldn't be glasspapering
he couldn't be glasspapering
we couldn't be glasspapering
you couldn't be glasspapering
they couldn't be glasspapering	I couldn't have glasspapered
you couldn't have glasspapered
he couldn't have glasspapered
we couldn't have glasspapered
you couldn't have glasspapered
they couldn't have glasspapered	I couldn't have been glasspapering
you couldn't have been glasspapering
he couldn't have been glasspapering
we couldn't have been glasspapering
you couldn't have been glasspapering
they couldn't have been glasspapering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I glasspaper?
could you glasspaper?
could he glasspaper?
could we glasspaper?
could you glasspaper?
could they glasspaper? 	could I be glasspapering?
could you be glasspapering?
could he be glasspapering?
could we be glasspapering?
could you be glasspapering?
could they be glasspapering? 	could I have glasspapered?
could you have glasspapered?
could he have glasspapered?
could we have glasspapered?
could you have glasspapered?
could they have glasspapered? 	could I have been glasspapering?
could you have been glasspapering?
could he have been glasspapering?
could we have been glasspapering?
could you have been glasspapering?
could they have been glasspapering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I glasspaper?
couldn't you glasspaper?
couldn't he glasspaper?
couldn't we glasspaper?
couldn't you glasspaper?
couldn't they glasspaper? 	couldn't I be glasspapering?
couldn't you be glasspapering?
couldn't he be glasspapering?
couldn't we be glasspapering?
couldn't you be glasspapering?
couldn't they be glasspapering? 	couldn't I have glasspapered?
couldn't you have glasspapered?
couldn't he have glasspapered?
couldn't we have glasspapered?
couldn't you have glasspapered?
couldn't they have glasspapered? 	couldn't I have been glasspapering?
couldn't you have been glasspapering?
couldn't he have been glasspapering?
couldn't we have been glasspapering?
couldn't you have been glasspapering?
couldn't they have been glasspapering?