I can rap you can rap he can rap we can rap you can rap they can rap
V-ing form
I can be rapping you can be rapping he can be rapping we can be rapping you can be rapping they can be rapping
Perfect
I can have rapped you can have rapped he can have rapped we can have rapped you can have rapped they can have rapped
V-ing perfect
I can have been rapping you can have been rapping he can have been rapping we can have been rapping you can have been rapping they can have been rapping
Negation
Simple form
I cannot rap you cannot rap he cannot rap we cannot rap you cannot rap they cannot rap
V-ing form
I cannot be rapping you cannot be rapping he cannot be rapping we cannot be rapping you cannot be rapping they cannot be rapping
Perfect
I cannot have rapped you cannot have rapped he cannot have rapped we cannot have rapped you cannot have rapped they cannot have rapped
V-ing perfect
I cannot have been rapping you cannot have been rapping he cannot have been rapping we cannot have been rapping you cannot have been rapping they cannot have been rapping
Interrogative form
Simple form
can I rap? can you rap? can he rap? can we rap? can you rap? can they rap?
V-ing form
can I be rapping? can you be rapping? can he be rapping? can we be rapping? can you be rapping? can they be rapping?
Perfect
can I have rapped? can you have rapped? can he have rapped? can we have rapped? can you have rapped? can they have rapped?
V-ing perfect
can I have been rapping? can you have been rapping? can he have been rapping? can we have been rapping? can you have been rapping? can they have been rapping?
Interro-negative form
Simple form
can I not rap? can you not rap? can he not rap? can we not rap? can you not rap? can they not rap?
V-ing form
can I not be rapping? can you not be rapping? can he not be rapping? can we not be rapping? can you not be rapping? can they not be rapping?
Perfect
can I not have rapped? can you not have rapped? can he not have rapped? can we not have rapped? can you not have rapped? can they not have rapped?
V-ing perfect
can I not have been rapping? can you not have been rapping? can he not have been rapping? can we not have been rapping? can you not have been rapping? can they not have been rapping?