I could cantilever you could cantilever he could cantilever we could cantilever you could cantilever they could cantilever
V-ing form
I could be cantilevering you could be cantilevering he could be cantilevering we could be cantilevering you could be cantilevering they could be cantilevering
Perfect
I could have cantilevered you could have cantilevered he could have cantilevered we could have cantilevered you could have cantilevered they could have cantilevered
V-ing perfect
I could have been cantilevering you could have been cantilevering he could have been cantilevering we could have been cantilevering you could have been cantilevering they could have been cantilevering
Negation
Simple form
I could not cantilever you could not cantilever he could not cantilever we could not cantilever you could not cantilever they could not cantilever
V-ing form
I could not be cantilevering you could not be cantilevering he could not be cantilevering we could not be cantilevering you could not be cantilevering they could not be cantilevering
Perfect
I could not have cantilevered you could not have cantilevered he could not have cantilevered we could not have cantilevered you could not have cantilevered they could not have cantilevered
V-ing perfect
I could not have been cantilevering you could not have been cantilevering he could not have been cantilevering we could not have been cantilevering you could not have been cantilevering they could not have been cantilevering
Interrogative form
Simple form
could I cantilever? could you cantilever? could he cantilever? could we cantilever? could you cantilever? could they cantilever?
V-ing form
could I be cantilevering? could you be cantilevering? could he be cantilevering? could we be cantilevering? could you be cantilevering? could they be cantilevering?
Perfect
could I have cantilevered? could you have cantilevered? could he have cantilevered? could we have cantilevered? could you have cantilevered? could they have cantilevered?
V-ing perfect
could I have been cantilevering? could you have been cantilevering? could he have been cantilevering? could we have been cantilevering? could you have been cantilevering? could they have been cantilevering?
Interro-negative form
Simple form
could I not cantilever? could you not cantilever? could he not cantilever? could we not cantilever? could you not cantilever? could they not cantilever?
V-ing form
could I not be cantilevering? could you not be cantilevering? could he not be cantilevering? could we not be cantilevering? could you not be cantilevering? could they not be cantilevering?
Perfect
could I not have cantilevered? could you not have cantilevered? could he not have cantilevered? could we not have cantilevered? could you not have cantilevered? could they not have cantilevered?
V-ing perfect
could I not have been cantilevering? could you not have been cantilevering? could he not have been cantilevering? could we not have been cantilevering? could you not have been cantilevering? could they not have been cantilevering?