I can rake you can rake he can rake we can rake you can rake they can rake
V-ing form
I can be raking you can be raking he can be raking we can be raking you can be raking they can be raking
Perfect
I can have raked you can have raked he can have raked we can have raked you can have raked they can have raked
V-ing perfect
I can have been raking you can have been raking he can have been raking we can have been raking you can have been raking they can have been raking
Negation
Simple form
I cannot rake you cannot rake he cannot rake we cannot rake you cannot rake they cannot rake
V-ing form
I cannot be raking you cannot be raking he cannot be raking we cannot be raking you cannot be raking they cannot be raking
Perfect
I cannot have raked you cannot have raked he cannot have raked we cannot have raked you cannot have raked they cannot have raked
V-ing perfect
I cannot have been raking you cannot have been raking he cannot have been raking we cannot have been raking you cannot have been raking they cannot have been raking
Interrogative form
Simple form
can I rake? can you rake? can he rake? can we rake? can you rake? can they rake?
V-ing form
can I be raking? can you be raking? can he be raking? can we be raking? can you be raking? can they be raking?
Perfect
can I have raked? can you have raked? can he have raked? can we have raked? can you have raked? can they have raked?
V-ing perfect
can I have been raking? can you have been raking? can he have been raking? can we have been raking? can you have been raking? can they have been raking?
Interro-negative form
Simple form
can I not rake? can you not rake? can he not rake? can we not rake? can you not rake? can they not rake?
V-ing form
can I not be raking? can you not be raking? can he not be raking? can we not be raking? can you not be raking? can they not be raking?
Perfect
can I not have raked? can you not have raked? can he not have raked? can we not have raked? can you not have raked? can they not have raked?
V-ing perfect
can I not have been raking? can you not have been raking? can he not have been raking? can we not have been raking? can you not have been raking? can they not have been raking?