I could emcee you could emcee she could emcee we could emcee you could emcee they could emcee
V-ing form
I could be emceeing you could be emceeing she could be emceeing we could be emceeing you could be emceeing they could be emceeing
Perfect
I could have emceed you could have emceed she could have emceed we could have emceed you could have emceed they could have emceed
V-ing perfect
I could have been emceeing you could have been emceeing she could have been emceeing we could have been emceeing you could have been emceeing they could have been emceeing
Negation
Simple form
I could not emcee you could not emcee she could not emcee we could not emcee you could not emcee they could not emcee
V-ing form
I could not be emceeing you could not be emceeing she could not be emceeing we could not be emceeing you could not be emceeing they could not be emceeing
Perfect
I could not have emceed you could not have emceed she could not have emceed we could not have emceed you could not have emceed they could not have emceed
V-ing perfect
I could not have been emceeing you could not have been emceeing she could not have been emceeing we could not have been emceeing you could not have been emceeing they could not have been emceeing
Interrogative form
Simple form
could I emcee? could you emcee? could she emcee? could we emcee? could you emcee? could they emcee?
V-ing form
could I be emceeing? could you be emceeing? could she be emceeing? could we be emceeing? could you be emceeing? could they be emceeing?
Perfect
could I have emceed? could you have emceed? could she have emceed? could we have emceed? could you have emceed? could they have emceed?
V-ing perfect
could I have been emceeing? could you have been emceeing? could she have been emceeing? could we have been emceeing? could you have been emceeing? could they have been emceeing?
Interro-negative form
Simple form
could I not emcee? could you not emcee? could she not emcee? could we not emcee? could you not emcee? could they not emcee?
V-ing form
could I not be emceeing? could you not be emceeing? could she not be emceeing? could we not be emceeing? could you not be emceeing? could they not be emceeing?
Perfect
could I not have emceed? could you not have emceed? could she not have emceed? could we not have emceed? could you not have emceed? could they not have emceed?
V-ing perfect
could I not have been emceeing? could you not have been emceeing? could she not have been emceeing? could we not have been emceeing? could you not have been emceeing? could they not have been emceeing?