I must visit you must visit she must visit we must visit you must visit they must visit
V-ing form
I must be visiting you must be visiting she must be visiting we must be visiting you must be visiting they must be visiting
Perfect
I must have visited you must have visited she must have visited we must have visited you must have visited they must have visited
V-ing perfect
I must have been visiting you must have been visiting she must have been visiting we must have been visiting you must have been visiting they must have been visiting
Negation
Simple form
I must not visit you must not visit she must not visit we must not visit you must not visit they must not visit
V-ing form
I must not be visiting you must not be visiting she must not be visiting we must not be visiting you must not be visiting they must not be visiting
Perfect
I must not have visited you must not have visited she must not have visited we must not have visited you must not have visited they must not have visited
V-ing perfect
I must not have been visiting you must not have been visiting she must not have been visiting we must not have been visiting you must not have been visiting they must not have been visiting
Interrogative form
Simple form
must I visit? must you visit? must she visit? must we visit? must you visit? must they visit?
V-ing form
must I be visiting? must you be visiting? must she be visiting? must we be visiting? must you be visiting? must they be visiting?
Perfect
must I have visited? must you have visited? must she have visited? must we have visited? must you have visited? must they have visited?
V-ing perfect
must I have been visiting? must you have been visiting? must she have been visiting? must we have been visiting? must you have been visiting? must they have been visiting?
Interro-negative form
Simple form
must I not visit? must you not visit? must she not visit? must we not visit? must you not visit? must they not visit?
V-ing form
must I not be visiting? must you not be visiting? must she not be visiting? must we not be visiting? must you not be visiting? must they not be visiting?
Perfect
must I not have visited? must you not have visited? must she not have visited? must we not have visited? must you not have visited? must they not have visited?
V-ing perfect
must I not have been visiting? must you not have been visiting? must she not have been visiting? must we not have been visiting? must you not have been visiting? must they not have been visiting?