I must continue you must continue she must continue we must continue you must continue they must continue
V-ing form
I must be continuing you must be continuing she must be continuing we must be continuing you must be continuing they must be continuing
Perfect
I must have continued you must have continued she must have continued we must have continued you must have continued they must have continued
V-ing perfect
I must have been continuing you must have been continuing she must have been continuing we must have been continuing you must have been continuing they must have been continuing
Negation
Simple form
I must not continue you must not continue she must not continue we must not continue you must not continue they must not continue
V-ing form
I must not be continuing you must not be continuing she must not be continuing we must not be continuing you must not be continuing they must not be continuing
Perfect
I must not have continued you must not have continued she must not have continued we must not have continued you must not have continued they must not have continued
V-ing perfect
I must not have been continuing you must not have been continuing she must not have been continuing we must not have been continuing you must not have been continuing they must not have been continuing
Interrogative form
Simple form
must I continue? must you continue? must she continue? must we continue? must you continue? must they continue?
V-ing form
must I be continuing? must you be continuing? must she be continuing? must we be continuing? must you be continuing? must they be continuing?
Perfect
must I have continued? must you have continued? must she have continued? must we have continued? must you have continued? must they have continued?
V-ing perfect
must I have been continuing? must you have been continuing? must she have been continuing? must we have been continuing? must you have been continuing? must they have been continuing?
Interro-negative form
Simple form
must I not continue? must you not continue? must she not continue? must we not continue? must you not continue? must they not continue?
V-ing form
must I not be continuing? must you not be continuing? must she not be continuing? must we not be continuing? must you not be continuing? must they not be continuing?
Perfect
must I not have continued? must you not have continued? must she not have continued? must we not have continued? must you not have continued? must they not have continued?
V-ing perfect
must I not have been continuing? must you not have been continuing? must she not have been continuing? must we not have been continuing? must you not have been continuing? must they not have been continuing?