could maneuver
Regular verb: maneuver - maneuvered- maneuvered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could maneuver
you could maneuver
he could maneuver
we could maneuver
you could maneuver
they could maneuver 	I could be maneuvering
you could be maneuvering
he could be maneuvering
we could be maneuvering
you could be maneuvering
they could be maneuvering	I could have maneuvered
you could have maneuvered
he could have maneuvered
we could have maneuvered
you could have maneuvered
they could have maneuvered	I could have been maneuvering
you could have been maneuvering
he could have been maneuvering
we could have been maneuvering
you could have been maneuvering
they could have been maneuvering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not maneuver
you could not maneuver
he could not maneuver
we could not maneuver
you could not maneuver
they could not maneuver 	I could not be maneuvering
you could not be maneuvering
he could not be maneuvering
we could not be maneuvering
you could not be maneuvering
they could not be maneuvering	I could not have maneuvered
you could not have maneuvered
he could not have maneuvered
we could not have maneuvered
you could not have maneuvered
they could not have maneuvered	I could not have been maneuvering
you could not have been maneuvering
he could not have been maneuvering
we could not have been maneuvering
you could not have been maneuvering
they could not have been maneuvering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I maneuver?
could you maneuver?
could he maneuver?
could we maneuver?
could you maneuver?
could they maneuver? 	could I be maneuvering?
could you be maneuvering?
could he be maneuvering?
could we be maneuvering?
could you be maneuvering?
could they be maneuvering? 	could I have maneuvered?
could you have maneuvered?
could he have maneuvered?
could we have maneuvered?
could you have maneuvered?
could they have maneuvered? 	could I have been maneuvering?
could you have been maneuvering?
could he have been maneuvering?
could we have been maneuvering?
could you have been maneuvering?
could they have been maneuvering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not maneuver?
could you not maneuver?
could he not maneuver?
could we not maneuver?
could you not maneuver?
could they not maneuver? 	could I not be maneuvering?
could you not be maneuvering?
could he not be maneuvering?
could we not be maneuvering?
could you not be maneuvering?
could they not be maneuvering? 	could I not have maneuvered?
could you not have maneuvered?
could he not have maneuvered?
could we not have maneuvered?
could you not have maneuvered?
could they not have maneuvered? 	could I not have been maneuvering?
could you not have been maneuvering?
could he not have been maneuvering?
could we not have been maneuvering?
could you not have been maneuvering?
could they not have been maneuvering?