could lever
Verbo regular: lever - levered- levered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could lever
you could lever
he could lever
we could lever
you could lever
they could lever 	I could be levering
you could be levering
he could be levering
we could be levering
you could be levering
they could be levering	I could have levered
you could have levered
he could have levered
we could have levered
you could have levered
they could have levered	I could have been levering
you could have been levering
he could have been levering
we could have been levering
you could have been levering
they could have been levering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't lever
you couldn't lever
he couldn't lever
we couldn't lever
you couldn't lever
they couldn't lever 	I couldn't be levering
you couldn't be levering
he couldn't be levering
we couldn't be levering
you couldn't be levering
they couldn't be levering	I couldn't have levered
you couldn't have levered
he couldn't have levered
we couldn't have levered
you couldn't have levered
they couldn't have levered	I couldn't have been levering
you couldn't have been levering
he couldn't have been levering
we couldn't have been levering
you couldn't have been levering
they couldn't have been levering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I lever?
could you lever?
could he lever?
could we lever?
could you lever?
could they lever? 	could I be levering?
could you be levering?
could he be levering?
could we be levering?
could you be levering?
could they be levering? 	could I have levered?
could you have levered?
could he have levered?
could we have levered?
could you have levered?
could they have levered? 	could I have been levering?
could you have been levering?
could he have been levering?
could we have been levering?
could you have been levering?
could they have been levering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I lever?
couldn't you lever?
couldn't he lever?
couldn't we lever?
couldn't you lever?
couldn't they lever? 	couldn't I be levering?
couldn't you be levering?
couldn't he be levering?
couldn't we be levering?
couldn't you be levering?
couldn't they be levering? 	couldn't I have levered?
couldn't you have levered?
couldn't he have levered?
couldn't we have levered?
couldn't you have levered?
couldn't they have levered? 	couldn't I have been levering?
couldn't you have been levering?
couldn't he have been levering?
couldn't we have been levering?
couldn't you have been levering?
couldn't they have been levering?