I could compel you could compel he could compel we could compel you could compel they could compel
V-ing form
I could be compelling you could be compelling he could be compelling we could be compelling you could be compelling they could be compelling
Perfect
I could have compelled you could have compelled he could have compelled we could have compelled you could have compelled they could have compelled
V-ing perfect
I could have been compelling you could have been compelling he could have been compelling we could have been compelling you could have been compelling they could have been compelling
Negation
Simple form
I could not compel you could not compel he could not compel we could not compel you could not compel they could not compel
V-ing form
I could not be compelling you could not be compelling he could not be compelling we could not be compelling you could not be compelling they could not be compelling
Perfect
I could not have compelled you could not have compelled he could not have compelled we could not have compelled you could not have compelled they could not have compelled
V-ing perfect
I could not have been compelling you could not have been compelling he could not have been compelling we could not have been compelling you could not have been compelling they could not have been compelling
Interrogative form
Simple form
could I compel? could you compel? could he compel? could we compel? could you compel? could they compel?
V-ing form
could I be compelling? could you be compelling? could he be compelling? could we be compelling? could you be compelling? could they be compelling?
Perfect
could I have compelled? could you have compelled? could he have compelled? could we have compelled? could you have compelled? could they have compelled?
V-ing perfect
could I have been compelling? could you have been compelling? could he have been compelling? could we have been compelling? could you have been compelling? could they have been compelling?
Interro-negative form
Simple form
could I not compel? could you not compel? could he not compel? could we not compel? could you not compel? could they not compel?
V-ing form
could I not be compelling? could you not be compelling? could he not be compelling? could we not be compelling? could you not be compelling? could they not be compelling?
Perfect
could I not have compelled? could you not have compelled? could he not have compelled? could we not have compelled? could you not have compelled? could they not have compelled?
V-ing perfect
could I not have been compelling? could you not have been compelling? could he not have been compelling? could we not have been compelling? could you not have been compelling? could they not have been compelling?