I must dispute you must dispute she must dispute we must dispute you must dispute they must dispute
V-ing form
I must be disputing you must be disputing she must be disputing we must be disputing you must be disputing they must be disputing
Perfect
I must have disputed you must have disputed she must have disputed we must have disputed you must have disputed they must have disputed
V-ing perfect
I must have been disputing you must have been disputing she must have been disputing we must have been disputing you must have been disputing they must have been disputing
Negation
Simple form
I must not dispute you must not dispute she must not dispute we must not dispute you must not dispute they must not dispute
V-ing form
I must not be disputing you must not be disputing she must not be disputing we must not be disputing you must not be disputing they must not be disputing
Perfect
I must not have disputed you must not have disputed she must not have disputed we must not have disputed you must not have disputed they must not have disputed
V-ing perfect
I must not have been disputing you must not have been disputing she must not have been disputing we must not have been disputing you must not have been disputing they must not have been disputing
Interrogative form
Simple form
must I dispute? must you dispute? must she dispute? must we dispute? must you dispute? must they dispute?
V-ing form
must I be disputing? must you be disputing? must she be disputing? must we be disputing? must you be disputing? must they be disputing?
Perfect
must I have disputed? must you have disputed? must she have disputed? must we have disputed? must you have disputed? must they have disputed?
V-ing perfect
must I have been disputing? must you have been disputing? must she have been disputing? must we have been disputing? must you have been disputing? must they have been disputing?
Interro-negative form
Simple form
must I not dispute? must you not dispute? must she not dispute? must we not dispute? must you not dispute? must they not dispute?
V-ing form
must I not be disputing? must you not be disputing? must she not be disputing? must we not be disputing? must you not be disputing? must they not be disputing?
Perfect
must I not have disputed? must you not have disputed? must she not have disputed? must we not have disputed? must you not have disputed? must they not have disputed?
V-ing perfect
must I not have been disputing? must you not have been disputing? must she not have been disputing? must we not have been disputing? must you not have been disputing? must they not have been disputing?