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