I can cake you can cake he can cake we can cake you can cake they can cake
V-ing form
I can be caking you can be caking he can be caking we can be caking you can be caking they can be caking
Perfect
I can have caked you can have caked he can have caked we can have caked you can have caked they can have caked
V-ing perfect
I can have been caking you can have been caking he can have been caking we can have been caking you can have been caking they can have been caking
Negation
Simple form
I can't cake you can't cake he can't cake we can't cake you can't cake they can't cake
V-ing form
I can't be caking you can't be caking he can't be caking we can't be caking you can't be caking they can't be caking
Perfect
I can't have caked you can't have caked he can't have caked we can't have caked you can't have caked they can't have caked
V-ing perfect
I can't have been caking you can't have been caking he can't have been caking we can't have been caking you can't have been caking they can't have been caking
Interrogative form
Simple form
can I cake? can you cake? can he cake? can we cake? can you cake? can they cake?
V-ing form
can I be caking? can you be caking? can he be caking? can we be caking? can you be caking? can they be caking?
Perfect
can I have caked? can you have caked? can he have caked? can we have caked? can you have caked? can they have caked?
V-ing perfect
can I have been caking? can you have been caking? can he have been caking? can we have been caking? can you have been caking? can they have been caking?
Interro-negative form
Simple form
can't I cake? can't you cake? can't he cake? can't we cake? can't you cake? can't they cake?
V-ing form
can't I be caking? can't you be caking? can't he be caking? can't we be caking? can't you be caking? can't they be caking?
Perfect
can't I have caked? can't you have caked? can't he have caked? can't we have caked? can't you have caked? can't they have caked?
V-ing perfect
can't I have been caking? can't you have been caking? can't he have been caking? can't we have been caking? can't you have been caking? can't they have been caking?