I can rap you can rap she can rap we can rap you can rap they can rap
V-ing form
I can be rapping you can be rapping she can be rapping we can be rapping you can be rapping they can be rapping
Perfect
I can have rapped you can have rapped she 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 she can have been rapping we can have been rapping you can have been rapping they can have been rapping
Negation
Simple form
I can't rap you can't rap she can't rap we can't rap you can't rap they can't rap
V-ing form
I can't be rapping you can't be rapping she can't be rapping we can't be rapping you can't be rapping they can't be rapping
Perfect
I can't have rapped you can't have rapped she can't have rapped we can't have rapped you can't have rapped they can't have rapped
V-ing perfect
I can't have been rapping you can't have been rapping she can't have been rapping we can't have been rapping you can't have been rapping they can't have been rapping
Interrogative form
Simple form
can I rap? can you rap? can she rap? can we rap? can you rap? can they rap?
V-ing form
can I be rapping? can you be rapping? can she be rapping? can we be rapping? can you be rapping? can they be rapping?
Perfect
can I have rapped? can you have rapped? can she 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 she have been rapping? can we have been rapping? can you have been rapping? can they have been rapping?
Interro-negative form
Simple form
can't I rap? can't you rap? can't she rap? can't we rap? can't you rap? can't they rap?
V-ing form
can't I be rapping? can't you be rapping? can't she be rapping? can't we be rapping? can't you be rapping? can't they be rapping?
Perfect
can't I have rapped? can't you have rapped? can't she have rapped? can't we have rapped? can't you have rapped? can't they have rapped?
V-ing perfect
can't I have been rapping? can't you have been rapping? can't she have been rapping? can't we have been rapping? can't you have been rapping? can't they have been rapping?