must reargue
Regular verb: reargue - reargued- reargued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must reargue
you must reargue
he must reargue
we must reargue
you must reargue
they must reargue 	I must be rearguing
you must be rearguing
he must be rearguing
we must be rearguing
you must be rearguing
they must be rearguing	I must have reargued
you must have reargued
he must have reargued
we must have reargued
you must have reargued
they must have reargued	I must have been rearguing
you must have been rearguing
he must have been rearguing
we must have been rearguing
you must have been rearguing
they must have been rearguing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't reargue
you mustn't reargue
he mustn't reargue
we mustn't reargue
you mustn't reargue
they mustn't reargue 	I mustn't be rearguing
you mustn't be rearguing
he mustn't be rearguing
we mustn't be rearguing
you mustn't be rearguing
they mustn't be rearguing	I mustn't have reargued
you mustn't have reargued
he mustn't have reargued
we mustn't have reargued
you mustn't have reargued
they mustn't have reargued	I mustn't have been rearguing
you mustn't have been rearguing
he mustn't have been rearguing
we mustn't have been rearguing
you mustn't have been rearguing
they mustn't have been rearguing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I reargue?
must you reargue?
must he reargue?
must we reargue?
must you reargue?
must they reargue? 	must I be rearguing?
must you be rearguing?
must he be rearguing?
must we be rearguing?
must you be rearguing?
must they be rearguing? 	must I have reargued?
must you have reargued?
must he have reargued?
must we have reargued?
must you have reargued?
must they have reargued? 	must I have been rearguing?
must you have been rearguing?
must he have been rearguing?
must we have been rearguing?
must you have been rearguing?
must they have been rearguing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I reargue?
mustn't you reargue?
mustn't he reargue?
mustn't we reargue?
mustn't you reargue?
mustn't they reargue? 	mustn't I be rearguing?
mustn't you be rearguing?
mustn't he be rearguing?
mustn't we be rearguing?
mustn't you be rearguing?
mustn't they be rearguing? 	mustn't I have reargued?
mustn't you have reargued?
mustn't he have reargued?
mustn't we have reargued?
mustn't you have reargued?
mustn't they have reargued? 	mustn't I have been rearguing?
mustn't you have been rearguing?
mustn't he have been rearguing?
mustn't we have been rearguing?
mustn't you have been rearguing?
mustn't they have been rearguing?