must scrummage
Regular verb: scrummage - scrummaged- scrummaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must scrummage
you must scrummage
she must scrummage
we must scrummage
you must scrummage
they must scrummage 	I must be scrummaging
you must be scrummaging
she must be scrummaging
we must be scrummaging
you must be scrummaging
they must be scrummaging	I must have scrummaged
you must have scrummaged
she must have scrummaged
we must have scrummaged
you must have scrummaged
they must have scrummaged	I must have been scrummaging
you must have been scrummaging
she must have been scrummaging
we must have been scrummaging
you must have been scrummaging
they must have been scrummaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't scrummage
you mustn't scrummage
she mustn't scrummage
we mustn't scrummage
you mustn't scrummage
they mustn't scrummage 	I mustn't be scrummaging
you mustn't be scrummaging
she mustn't be scrummaging
we mustn't be scrummaging
you mustn't be scrummaging
they mustn't be scrummaging	I mustn't have scrummaged
you mustn't have scrummaged
she mustn't have scrummaged
we mustn't have scrummaged
you mustn't have scrummaged
they mustn't have scrummaged	I mustn't have been scrummaging
you mustn't have been scrummaging
she mustn't have been scrummaging
we mustn't have been scrummaging
you mustn't have been scrummaging
they mustn't have been scrummaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I scrummage?
must you scrummage?
must she scrummage?
must we scrummage?
must you scrummage?
must they scrummage? 	must I be scrummaging?
must you be scrummaging?
must she be scrummaging?
must we be scrummaging?
must you be scrummaging?
must they be scrummaging? 	must I have scrummaged?
must you have scrummaged?
must she have scrummaged?
must we have scrummaged?
must you have scrummaged?
must they have scrummaged? 	must I have been scrummaging?
must you have been scrummaging?
must she have been scrummaging?
must we have been scrummaging?
must you have been scrummaging?
must they have been scrummaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I scrummage?
mustn't you scrummage?
mustn't she scrummage?
mustn't we scrummage?
mustn't you scrummage?
mustn't they scrummage? 	mustn't I be scrummaging?
mustn't you be scrummaging?
mustn't she be scrummaging?
mustn't we be scrummaging?
mustn't you be scrummaging?
mustn't they be scrummaging? 	mustn't I have scrummaged?
mustn't you have scrummaged?
mustn't she have scrummaged?
mustn't we have scrummaged?
mustn't you have scrummaged?
mustn't they have scrummaged? 	mustn't I have been scrummaging?
mustn't you have been scrummaging?
mustn't she have been scrummaging?
mustn't we have been scrummaging?
mustn't you have been scrummaging?
mustn't they have been scrummaging?