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