must rummage
Regular verb: rummage - rummaged- rummaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must rummage
you must rummage
she must rummage
we must rummage
you must rummage
they must rummage 	I must be rummaging
you must be rummaging
she must be rummaging
we must be rummaging
you must be rummaging
they must be rummaging	I must have rummaged
you must have rummaged
she must have rummaged
we must have rummaged
you must have rummaged
they must have rummaged	I must have been rummaging
you must have been rummaging
she must have been rummaging
we must have been rummaging
you must have been rummaging
they must have been rummaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't rummage
you mustn't rummage
she mustn't rummage
we mustn't rummage
you mustn't rummage
they mustn't rummage 	I mustn't be rummaging
you mustn't be rummaging
she mustn't be rummaging
we mustn't be rummaging
you mustn't be rummaging
they mustn't be rummaging	I mustn't have rummaged
you mustn't have rummaged
she mustn't have rummaged
we mustn't have rummaged
you mustn't have rummaged
they mustn't have rummaged	I mustn't have been rummaging
you mustn't have been rummaging
she mustn't have been rummaging
we mustn't have been rummaging
you mustn't have been rummaging
they mustn't have been rummaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I rummage?
must you rummage?
must she rummage?
must we rummage?
must you rummage?
must they rummage? 	must I be rummaging?
must you be rummaging?
must she be rummaging?
must we be rummaging?
must you be rummaging?
must they be rummaging? 	must I have rummaged?
must you have rummaged?
must she have rummaged?
must we have rummaged?
must you have rummaged?
must they have rummaged? 	must I have been rummaging?
must you have been rummaging?
must she have been rummaging?
must we have been rummaging?
must you have been rummaging?
must they have been rummaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I rummage?
mustn't you rummage?
mustn't she rummage?
mustn't we rummage?
mustn't you rummage?
mustn't they rummage? 	mustn't I be rummaging?
mustn't you be rummaging?
mustn't she be rummaging?
mustn't we be rummaging?
mustn't you be rummaging?
mustn't they be rummaging? 	mustn't I have rummaged?
mustn't you have rummaged?
mustn't she have rummaged?
mustn't we have rummaged?
mustn't you have rummaged?
mustn't they have rummaged? 	mustn't I have been rummaging?
mustn't you have been rummaging?
mustn't she have been rummaging?
mustn't we have been rummaging?
mustn't you have been rummaging?
mustn't they have been rummaging?