I must loot you must loot she must loot we must loot you must loot they must loot
V-ing form
I must be looting you must be looting she must be looting we must be looting you must be looting they must be looting
Perfect
I must have looted you must have looted she must have looted we must have looted you must have looted they must have looted
V-ing perfect
I must have been looting you must have been looting she must have been looting we must have been looting you must have been looting they must have been looting
Negation
Simple form
I must not loot you must not loot she must not loot we must not loot you must not loot they must not loot
V-ing form
I must not be looting you must not be looting she must not be looting we must not be looting you must not be looting they must not be looting
Perfect
I must not have looted you must not have looted she must not have looted we must not have looted you must not have looted they must not have looted
V-ing perfect
I must not have been looting you must not have been looting she must not have been looting we must not have been looting you must not have been looting they must not have been looting
Interrogative form
Simple form
must I loot? must you loot? must she loot? must we loot? must you loot? must they loot?
V-ing form
must I be looting? must you be looting? must she be looting? must we be looting? must you be looting? must they be looting?
Perfect
must I have looted? must you have looted? must she have looted? must we have looted? must you have looted? must they have looted?
V-ing perfect
must I have been looting? must you have been looting? must she have been looting? must we have been looting? must you have been looting? must they have been looting?
Interro-negative form
Simple form
must I not loot? must you not loot? must she not loot? must we not loot? must you not loot? must they not loot?
V-ing form
must I not be looting? must you not be looting? must she not be looting? must we not be looting? must you not be looting? must they not be looting?
Perfect
must I not have looted? must you not have looted? must she not have looted? must we not have looted? must you not have looted? must they not have looted?
V-ing perfect
must I not have been looting? must you not have been looting? must she not have been looting? must we not have been looting? must you not have been looting? must they not have been looting?