must loot
Regular verb: loot - looted- looted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must loot
you must loot
he must loot
we must loot
you must loot
they must loot 	I must be looting
you must be looting
he must be looting
we must be looting
you must be looting
they must be looting	I must have looted
you must have looted
he must have looted
we must have looted
you must have looted
they must have looted	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 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't loot
you mustn't loot
he mustn't loot
we mustn't loot
you mustn't loot
they mustn't loot 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
must I loot?
must you loot?
must he loot?
must we loot?
must you loot?
must they loot? 	must I be looting?
must you be looting?
must he be looting?
must we be looting?
must you be looting?
must they be looting? 	must I have looted?
must you have looted?
must he have looted?
must we have looted?
must you have looted?
must they have looted? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I loot?
mustn't you loot?
mustn't he loot?
mustn't we loot?
mustn't you loot?
mustn't they loot? 	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? 	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? 	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?