could restraighten
Verbo regular: restraighten - restraightened- restraightened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could restraighten
you could restraighten
he could restraighten
we could restraighten
you could restraighten
they could restraighten 	I could be restraightening
you could be restraightening
he could be restraightening
we could be restraightening
you could be restraightening
they could be restraightening	I could have restraightened
you could have restraightened
he could have restraightened
we could have restraightened
you could have restraightened
they could have restraightened	I could have been restraightening
you could have been restraightening
he could have been restraightening
we could have been restraightening
you could have been restraightening
they could have been restraightening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't restraighten
you couldn't restraighten
he couldn't restraighten
we couldn't restraighten
you couldn't restraighten
they couldn't restraighten 	I couldn't be restraightening
you couldn't be restraightening
he couldn't be restraightening
we couldn't be restraightening
you couldn't be restraightening
they couldn't be restraightening	I couldn't have restraightened
you couldn't have restraightened
he couldn't have restraightened
we couldn't have restraightened
you couldn't have restraightened
they couldn't have restraightened	I couldn't have been restraightening
you couldn't have been restraightening
he couldn't have been restraightening
we couldn't have been restraightening
you couldn't have been restraightening
they couldn't have been restraightening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I restraighten?
could you restraighten?
could he restraighten?
could we restraighten?
could you restraighten?
could they restraighten? 	could I be restraightening?
could you be restraightening?
could he be restraightening?
could we be restraightening?
could you be restraightening?
could they be restraightening? 	could I have restraightened?
could you have restraightened?
could he have restraightened?
could we have restraightened?
could you have restraightened?
could they have restraightened? 	could I have been restraightening?
could you have been restraightening?
could he have been restraightening?
could we have been restraightening?
could you have been restraightening?
could they have been restraightening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I restraighten?
couldn't you restraighten?
couldn't he restraighten?
couldn't we restraighten?
couldn't you restraighten?
couldn't they restraighten? 	couldn't I be restraightening?
couldn't you be restraightening?
couldn't he be restraightening?
couldn't we be restraightening?
couldn't you be restraightening?
couldn't they be restraightening? 	couldn't I have restraightened?
couldn't you have restraightened?
couldn't he have restraightened?
couldn't we have restraightened?
couldn't you have restraightened?
couldn't they have restraightened? 	couldn't I have been restraightening?
couldn't you have been restraightening?
couldn't he have been restraightening?
couldn't we have been restraightening?
couldn't you have been restraightening?
couldn't they have been restraightening?