must impanel
Regular verb: impanel - impanelled- impanelled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must impanel
you must impanel
he must impanel
we must impanel
you must impanel
they must impanel 	I must be impanelling
you must be impanelling
he must be impanelling
we must be impanelling
you must be impanelling
they must be impanelling	I must have impanelled
you must have impanelled
he must have impanelled
we must have impanelled
you must have impanelled
they must have impanelled	I must have been impanelling
you must have been impanelling
he must have been impanelling
we must have been impanelling
you must have been impanelling
they must have been impanelling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't impanel
you mustn't impanel
he mustn't impanel
we mustn't impanel
you mustn't impanel
they mustn't impanel 	I mustn't be impanelling
you mustn't be impanelling
he mustn't be impanelling
we mustn't be impanelling
you mustn't be impanelling
they mustn't be impanelling	I mustn't have impanelled
you mustn't have impanelled
he mustn't have impanelled
we mustn't have impanelled
you mustn't have impanelled
they mustn't have impanelled	I mustn't have been impanelling
you mustn't have been impanelling
he mustn't have been impanelling
we mustn't have been impanelling
you mustn't have been impanelling
they mustn't have been impanelling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I impanel?
must you impanel?
must he impanel?
must we impanel?
must you impanel?
must they impanel? 	must I be impanelling?
must you be impanelling?
must he be impanelling?
must we be impanelling?
must you be impanelling?
must they be impanelling? 	must I have impanelled?
must you have impanelled?
must he have impanelled?
must we have impanelled?
must you have impanelled?
must they have impanelled? 	must I have been impanelling?
must you have been impanelling?
must he have been impanelling?
must we have been impanelling?
must you have been impanelling?
must they have been impanelling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I impanel?
mustn't you impanel?
mustn't he impanel?
mustn't we impanel?
mustn't you impanel?
mustn't they impanel? 	mustn't I be impanelling?
mustn't you be impanelling?
mustn't he be impanelling?
mustn't we be impanelling?
mustn't you be impanelling?
mustn't they be impanelling? 	mustn't I have impanelled?
mustn't you have impanelled?
mustn't he have impanelled?
mustn't we have impanelled?
mustn't you have impanelled?
mustn't they have impanelled? 	mustn't I have been impanelling?
mustn't you have been impanelling?
mustn't he have been impanelling?
mustn't we have been impanelling?
mustn't you have been impanelling?
mustn't they have been impanelling?