I must loot you must loot he must loot we must loot you must loot they must loot
V-ing form
I must be looting you must be looting he must be looting we must be looting you must be looting they must be looting
Perfect
I must have looted you must have looted he 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 he must have been looting we must have been looting you must have been looting they must have been looting
Negation
Simple form
I mustn't loot you mustn't loot he mustn't loot we mustn't loot you mustn't loot they mustn't loot
V-ing form
I mustn't be looting you mustn't be looting he mustn't be looting we mustn't be looting you mustn't be looting they mustn't be looting
Perfect
I mustn't have looted you mustn't have looted he mustn't have looted we mustn't have looted you mustn't have looted they mustn't have looted
V-ing perfect
I mustn't have been looting you mustn't have been looting he mustn't have been looting we mustn't have been looting you mustn't have been looting they mustn't have been looting
Interrogative form
Simple form
must I loot? must you loot? must he loot? must we loot? must you loot? must they loot?
V-ing form
must I be looting? must you be looting? must he be looting? must we be looting? must you be looting? must they be looting?
Perfect
must I have looted? must you have looted? must he 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 he have been looting? must we have been looting? must you have been looting? must they have been looting?
Interro-negative form
Simple form
mustn't I loot? mustn't you loot? mustn't he loot? mustn't we loot? mustn't you loot? mustn't they loot?
V-ing form
mustn't I be looting? mustn't you be looting? mustn't he be looting? mustn't we be looting? mustn't you be looting? mustn't they be looting?
Perfect
mustn't I have looted? mustn't you have looted? mustn't he have looted? mustn't we have looted? mustn't you have looted? mustn't they have looted?
V-ing perfect
mustn't I have been looting? mustn't you have been looting? mustn't he have been looting? mustn't we have been looting? mustn't you have been looting? mustn't they have been looting?