I could maneuver you could maneuver she could maneuver we could maneuver you could maneuver they could maneuver
V-ing form
I could be maneuvering you could be maneuvering she could be maneuvering we could be maneuvering you could be maneuvering they could be maneuvering
Perfect
I could have maneuvered you could have maneuvered she could have maneuvered we could have maneuvered you could have maneuvered they could have maneuvered
V-ing perfect
I could have been maneuvering you could have been maneuvering she could have been maneuvering we could have been maneuvering you could have been maneuvering they could have been maneuvering
Negation
Simple form
I couldn't maneuver you couldn't maneuver she couldn't maneuver we couldn't maneuver you couldn't maneuver they couldn't maneuver
V-ing form
I couldn't be maneuvering you couldn't be maneuvering she couldn't be maneuvering we couldn't be maneuvering you couldn't be maneuvering they couldn't be maneuvering
Perfect
I couldn't have maneuvered you couldn't have maneuvered she couldn't have maneuvered we couldn't have maneuvered you couldn't have maneuvered they couldn't have maneuvered
V-ing perfect
I couldn't have been maneuvering you couldn't have been maneuvering she couldn't have been maneuvering we couldn't have been maneuvering you couldn't have been maneuvering they couldn't have been maneuvering
Interrogative form
Simple form
could I maneuver? could you maneuver? could she maneuver? could we maneuver? could you maneuver? could they maneuver?
V-ing form
could I be maneuvering? could you be maneuvering? could she be maneuvering? could we be maneuvering? could you be maneuvering? could they be maneuvering?
Perfect
could I have maneuvered? could you have maneuvered? could she have maneuvered? could we have maneuvered? could you have maneuvered? could they have maneuvered?
V-ing perfect
could I have been maneuvering? could you have been maneuvering? could she have been maneuvering? could we have been maneuvering? could you have been maneuvering? could they have been maneuvering?
Interro-negative form
Simple form
couldn't I maneuver? couldn't you maneuver? couldn't she maneuver? couldn't we maneuver? couldn't you maneuver? couldn't they maneuver?
V-ing form
couldn't I be maneuvering? couldn't you be maneuvering? couldn't she be maneuvering? couldn't we be maneuvering? couldn't you be maneuvering? couldn't they be maneuvering?
Perfect
couldn't I have maneuvered? couldn't you have maneuvered? couldn't she have maneuvered? couldn't we have maneuvered? couldn't you have maneuvered? couldn't they have maneuvered?
V-ing perfect
couldn't I have been maneuvering? couldn't you have been maneuvering? couldn't she have been maneuvering? couldn't we have been maneuvering? couldn't you have been maneuvering? couldn't they have been maneuvering?