I can bake you can bake she can bake we can bake you can bake they can bake
V-ing form
I can be baking you can be baking she can be baking we can be baking you can be baking they can be baking
Perfect
I can have baked you can have baked she can have baked we can have baked you can have baked they can have baked
V-ing perfect
I can have been baking you can have been baking she can have been baking we can have been baking you can have been baking they can have been baking
Negation
Simple form
I cannot bake you cannot bake she cannot bake we cannot bake you cannot bake they cannot bake
V-ing form
I cannot be baking you cannot be baking she cannot be baking we cannot be baking you cannot be baking they cannot be baking
Perfect
I cannot have baked you cannot have baked she cannot have baked we cannot have baked you cannot have baked they cannot have baked
V-ing perfect
I cannot have been baking you cannot have been baking she cannot have been baking we cannot have been baking you cannot have been baking they cannot have been baking
Interrogative form
Simple form
can I bake? can you bake? can she bake? can we bake? can you bake? can they bake?
V-ing form
can I be baking? can you be baking? can she be baking? can we be baking? can you be baking? can they be baking?
Perfect
can I have baked? can you have baked? can she have baked? can we have baked? can you have baked? can they have baked?
V-ing perfect
can I have been baking? can you have been baking? can she have been baking? can we have been baking? can you have been baking? can they have been baking?
Interro-negative form
Simple form
can I not bake? can you not bake? can she not bake? can we not bake? can you not bake? can they not bake?
V-ing form
can I not be baking? can you not be baking? can she not be baking? can we not be baking? can you not be baking? can they not be baking?
Perfect
can I not have baked? can you not have baked? can she not have baked? can we not have baked? can you not have baked? can they not have baked?
V-ing perfect
can I not have been baking? can you not have been baking? can she not have been baking? can we not have been baking? can you not have been baking? can they not have been baking?