I can bald you can bald he can bald we can bald you can bald they can bald
V-ing form
I can be balding you can be balding he can be balding we can be balding you can be balding they can be balding
Perfect
I can have balded you can have balded he 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 he can have been balding we can have been balding you can have been balding they can have been balding
Negation
Simple form
I can't bald you can't bald he can't bald we can't bald you can't bald they can't bald
V-ing form
I can't be balding you can't be balding he can't be balding we can't be balding you can't be balding they can't be balding
Perfect
I can't have balded you can't have balded he can't have balded we can't have balded you can't have balded they can't have balded
V-ing perfect
I can't have been balding you can't have been balding he can't have been balding we can't have been balding you can't have been balding they can't have been balding
Interrogative form
Simple form
can I bald? can you bald? can he bald? can we bald? can you bald? can they bald?
V-ing form
can I be balding? can you be balding? can he be balding? can we be balding? can you be balding? can they be balding?
Perfect
can I have balded? can you have balded? can he 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 he have been balding? can we have been balding? can you have been balding? can they have been balding?
Interro-negative form
Simple form
can't I bald? can't you bald? can't he bald? can't we bald? can't you bald? can't they bald?
V-ing form
can't I be balding? can't you be balding? can't he be balding? can't we be balding? can't you be balding? can't they be balding?
Perfect
can't I have balded? can't you have balded? can't he have balded? can't we have balded? can't you have balded? can't they have balded?
V-ing perfect
can't I have been balding? can't you have been balding? can't he have been balding? can't we have been balding? can't you have been balding? can't they have been balding?