must harangue
Regular verb: harangue - harangued- harangued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must harangue
you must harangue
he must harangue
we must harangue
you must harangue
they must harangue 	I must be haranguing
you must be haranguing
he must be haranguing
we must be haranguing
you must be haranguing
they must be haranguing	I must have harangued
you must have harangued
he must have harangued
we must have harangued
you must have harangued
they must have harangued	I must have been haranguing
you must have been haranguing
he must have been haranguing
we must have been haranguing
you must have been haranguing
they must have been haranguing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't harangue
you mustn't harangue
he mustn't harangue
we mustn't harangue
you mustn't harangue
they mustn't harangue 	I mustn't be haranguing
you mustn't be haranguing
he mustn't be haranguing
we mustn't be haranguing
you mustn't be haranguing
they mustn't be haranguing	I mustn't have harangued
you mustn't have harangued
he mustn't have harangued
we mustn't have harangued
you mustn't have harangued
they mustn't have harangued	I mustn't have been haranguing
you mustn't have been haranguing
he mustn't have been haranguing
we mustn't have been haranguing
you mustn't have been haranguing
they mustn't have been haranguing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I harangue?
must you harangue?
must he harangue?
must we harangue?
must you harangue?
must they harangue? 	must I be haranguing?
must you be haranguing?
must he be haranguing?
must we be haranguing?
must you be haranguing?
must they be haranguing? 	must I have harangued?
must you have harangued?
must he have harangued?
must we have harangued?
must you have harangued?
must they have harangued? 	must I have been haranguing?
must you have been haranguing?
must he have been haranguing?
must we have been haranguing?
must you have been haranguing?
must they have been haranguing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I harangue?
mustn't you harangue?
mustn't he harangue?
mustn't we harangue?
mustn't you harangue?
mustn't they harangue? 	mustn't I be haranguing?
mustn't you be haranguing?
mustn't he be haranguing?
mustn't we be haranguing?
mustn't you be haranguing?
mustn't they be haranguing? 	mustn't I have harangued?
mustn't you have harangued?
mustn't he have harangued?
mustn't we have harangued?
mustn't you have harangued?
mustn't they have harangued? 	mustn't I have been haranguing?
mustn't you have been haranguing?
mustn't he have been haranguing?
mustn't we have been haranguing?
mustn't you have been haranguing?
mustn't they have been haranguing?