could lever
Regular verb: lever - levered- levered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not lever
you could not lever
he could not lever
we could not lever
you could not lever
they could not lever 	I could not be levering
you could not be levering
he could not be levering
we could not be levering
you could not be levering
they could not be levering	I could not have levered
you could not have levered
he could not have levered
we could not have levered
you could not have levered
they could not have levered	I could not have been levering
you could not have been levering
he could not have been levering
we could not have been levering
you could not have been levering
they could not have been levering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not lever?
could you not lever?
could he not lever?
could we not lever?
could you not lever?
could they not lever? 	could I not be levering?
could you not be levering?
could he not be levering?
could we not be levering?
could you not be levering?
could they not be levering? 	could I not have levered?
could you not have levered?
could he not have levered?
could we not have levered?
could you not have levered?
could they not have levered? 	could I not have been levering?
could you not have been levering?
could he not have been levering?
could we not have been levering?
could you not have been levering?
could they not have been levering?