I can cake you can cake she can cake we can cake you can cake they can cake
V-ing form
I can be caking you can be caking she can be caking we can be caking you can be caking they can be caking
Perfect
I can have caked you can have caked she 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 she can have been caking we can have been caking you can have been caking they can have been caking
Negation
Simple form
I cannot cake you cannot cake she cannot cake we cannot cake you cannot cake they cannot cake
V-ing form
I cannot be caking you cannot be caking she cannot be caking we cannot be caking you cannot be caking they cannot be caking
Perfect
I cannot have caked you cannot have caked she cannot have caked we cannot have caked you cannot have caked they cannot have caked
V-ing perfect
I cannot have been caking you cannot have been caking she cannot have been caking we cannot have been caking you cannot have been caking they cannot have been caking
Interrogative form
Simple form
can I cake? can you cake? can she cake? can we cake? can you cake? can they cake?
V-ing form
can I be caking? can you be caking? can she be caking? can we be caking? can you be caking? can they be caking?
Perfect
can I have caked? can you have caked? can she 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 she have been caking? can we have been caking? can you have been caking? can they have been caking?
Interro-negative form
Simple form
can I not cake? can you not cake? can she not cake? can we not cake? can you not cake? can they not cake?
V-ing form
can I not be caking? can you not be caking? can she not be caking? can we not be caking? can you not be caking? can they not be caking?
Perfect
can I not have caked? can you not have caked? can she not have caked? can we not have caked? can you not have caked? can they not have caked?
V-ing perfect
can I not have been caking? can you not have been caking? can she not have been caking? can we not have been caking? can you not have been caking? can they not have been caking?