must panel
Regular verb: panel - panelled- panelled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must panel
you must panel
he must panel
we must panel
you must panel
they must panel 	I must be panelling
you must be panelling
he must be panelling
we must be panelling
you must be panelling
they must be panelling	I must have panelled
you must have panelled
he must have panelled
we must have panelled
you must have panelled
they must have panelled	I must have been panelling
you must have been panelling
he must have been panelling
we must have been panelling
you must have been panelling
they must have been panelling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not panel
you must not panel
he must not panel
we must not panel
you must not panel
they must not panel 	I must not be panelling
you must not be panelling
he must not be panelling
we must not be panelling
you must not be panelling
they must not be panelling	I must not have panelled
you must not have panelled
he must not have panelled
we must not have panelled
you must not have panelled
they must not have panelled	I must not have been panelling
you must not have been panelling
he must not have been panelling
we must not have been panelling
you must not have been panelling
they must not have been panelling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I panel?
must you panel?
must he panel?
must we panel?
must you panel?
must they panel? 	must I be panelling?
must you be panelling?
must he be panelling?
must we be panelling?
must you be panelling?
must they be panelling? 	must I have panelled?
must you have panelled?
must he have panelled?
must we have panelled?
must you have panelled?
must they have panelled? 	must I have been panelling?
must you have been panelling?
must he have been panelling?
must we have been panelling?
must you have been panelling?
must they have been panelling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not panel?
must you not panel?
must he not panel?
must we not panel?
must you not panel?
must they not panel? 	must I not be panelling?
must you not be panelling?
must he not be panelling?
must we not be panelling?
must you not be panelling?
must they not be panelling? 	must I not have panelled?
must you not have panelled?
must he not have panelled?
must we not have panelled?
must you not have panelled?
must they not have panelled? 	must I not have been panelling?
must you not have been panelling?
must he not have been panelling?
must we not have been panelling?
must you not have been panelling?
must they not have been panelling?