I must patrol you must patrol she must patrol we must patrol you must patrol they must patrol
V-ing form
I must be patrolling you must be patrolling she must be patrolling we must be patrolling you must be patrolling they must be patrolling
Perfect
I must have patrolled you must have patrolled she must have patrolled we must have patrolled you must have patrolled they must have patrolled
V-ing perfect
I must have been patrolling you must have been patrolling she must have been patrolling we must have been patrolling you must have been patrolling they must have been patrolling
Negation
Simple form
I must not patrol you must not patrol she must not patrol we must not patrol you must not patrol they must not patrol
V-ing form
I must not be patrolling you must not be patrolling she must not be patrolling we must not be patrolling you must not be patrolling they must not be patrolling
Perfect
I must not have patrolled you must not have patrolled she must not have patrolled we must not have patrolled you must not have patrolled they must not have patrolled
V-ing perfect
I must not have been patrolling you must not have been patrolling she must not have been patrolling we must not have been patrolling you must not have been patrolling they must not have been patrolling
Interrogative form
Simple form
must I patrol? must you patrol? must she patrol? must we patrol? must you patrol? must they patrol?
V-ing form
must I be patrolling? must you be patrolling? must she be patrolling? must we be patrolling? must you be patrolling? must they be patrolling?
Perfect
must I have patrolled? must you have patrolled? must she have patrolled? must we have patrolled? must you have patrolled? must they have patrolled?
V-ing perfect
must I have been patrolling? must you have been patrolling? must she have been patrolling? must we have been patrolling? must you have been patrolling? must they have been patrolling?
Interro-negative form
Simple form
must I not patrol? must you not patrol? must she not patrol? must we not patrol? must you not patrol? must they not patrol?
V-ing form
must I not be patrolling? must you not be patrolling? must she not be patrolling? must we not be patrolling? must you not be patrolling? must they not be patrolling?
Perfect
must I not have patrolled? must you not have patrolled? must she not have patrolled? must we not have patrolled? must you not have patrolled? must they not have patrolled?
V-ing perfect
must I not have been patrolling? must you not have been patrolling? must she not have been patrolling? must we not have been patrolling? must you not have been patrolling? must they not have been patrolling?