I can camber you can camber he can camber we can camber you can camber they can camber
V-ing form
I can be cambering you can be cambering he can be cambering we can be cambering you can be cambering they can be cambering
Perfect
I can have cambered you can have cambered he can have cambered we can have cambered you can have cambered they can have cambered
V-ing perfect
I can have been cambering you can have been cambering he can have been cambering we can have been cambering you can have been cambering they can have been cambering
Negation
Simple form
I can't camber you can't camber he can't camber we can't camber you can't camber they can't camber
V-ing form
I can't be cambering you can't be cambering he can't be cambering we can't be cambering you can't be cambering they can't be cambering
Perfect
I can't have cambered you can't have cambered he can't have cambered we can't have cambered you can't have cambered they can't have cambered
V-ing perfect
I can't have been cambering you can't have been cambering he can't have been cambering we can't have been cambering you can't have been cambering they can't have been cambering
Interrogative form
Simple form
can I camber? can you camber? can he camber? can we camber? can you camber? can they camber?
V-ing form
can I be cambering? can you be cambering? can he be cambering? can we be cambering? can you be cambering? can they be cambering?
Perfect
can I have cambered? can you have cambered? can he have cambered? can we have cambered? can you have cambered? can they have cambered?
V-ing perfect
can I have been cambering? can you have been cambering? can he have been cambering? can we have been cambering? can you have been cambering? can they have been cambering?
Interro-negative form
Simple form
can't I camber? can't you camber? can't he camber? can't we camber? can't you camber? can't they camber?
V-ing form
can't I be cambering? can't you be cambering? can't he be cambering? can't we be cambering? can't you be cambering? can't they be cambering?
Perfect
can't I have cambered? can't you have cambered? can't he have cambered? can't we have cambered? can't you have cambered? can't they have cambered?
V-ing perfect
can't I have been cambering? can't you have been cambering? can't he have been cambering? can't we have been cambering? can't you have been cambering? can't they have been cambering?