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