must loot
Regular verb: loot - looted- looted

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