I can bald you can bald she can bald we can bald you can bald they can bald
V-ing form
I can be balding you can be balding she can be balding we can be balding you can be balding they can be balding
Perfect
I can have balded you can have balded she can have balded we can have balded you can have balded they can have balded
V-ing perfect
I can have been balding you can have been balding she can have been balding we can have been balding you can have been balding they can have been balding
Negation
Simple form
I cannot bald you cannot bald she cannot bald we cannot bald you cannot bald they cannot bald
V-ing form
I cannot be balding you cannot be balding she cannot be balding we cannot be balding you cannot be balding they cannot be balding
Perfect
I cannot have balded you cannot have balded she cannot have balded we cannot have balded you cannot have balded they cannot have balded
V-ing perfect
I cannot have been balding you cannot have been balding she cannot have been balding we cannot have been balding you cannot have been balding they cannot have been balding
Interrogative form
Simple form
can I bald? can you bald? can she bald? can we bald? can you bald? can they bald?
V-ing form
can I be balding? can you be balding? can she be balding? can we be balding? can you be balding? can they be balding?
Perfect
can I have balded? can you have balded? can she have balded? can we have balded? can you have balded? can they have balded?
V-ing perfect
can I have been balding? can you have been balding? can she have been balding? can we have been balding? can you have been balding? can they have been balding?
Interro-negative form
Simple form
can I not bald? can you not bald? can she not bald? can we not bald? can you not bald? can they not bald?
V-ing form
can I not be balding? can you not be balding? can she not be balding? can we not be balding? can you not be balding? can they not be balding?
Perfect
can I not have balded? can you not have balded? can she not have balded? can we not have balded? can you not have balded? can they not have balded?
V-ing perfect
can I not have been balding? can you not have been balding? can she not have been balding? can we not have been balding? can you not have been balding? can they not have been balding?