must scepter
Regular verb: scepter - sceptered- sceptered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must scepter
you must scepter
he must scepter
we must scepter
you must scepter
they must scepter 	I must be sceptering
you must be sceptering
he must be sceptering
we must be sceptering
you must be sceptering
they must be sceptering	I must have sceptered
you must have sceptered
he must have sceptered
we must have sceptered
you must have sceptered
they must have sceptered	I must have been sceptering
you must have been sceptering
he must have been sceptering
we must have been sceptering
you must have been sceptering
they must have been sceptering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't scepter
you mustn't scepter
he mustn't scepter
we mustn't scepter
you mustn't scepter
they mustn't scepter 	I mustn't be sceptering
you mustn't be sceptering
he mustn't be sceptering
we mustn't be sceptering
you mustn't be sceptering
they mustn't be sceptering	I mustn't have sceptered
you mustn't have sceptered
he mustn't have sceptered
we mustn't have sceptered
you mustn't have sceptered
they mustn't have sceptered	I mustn't have been sceptering
you mustn't have been sceptering
he mustn't have been sceptering
we mustn't have been sceptering
you mustn't have been sceptering
they mustn't have been sceptering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I scepter?
must you scepter?
must he scepter?
must we scepter?
must you scepter?
must they scepter? 	must I be sceptering?
must you be sceptering?
must he be sceptering?
must we be sceptering?
must you be sceptering?
must they be sceptering? 	must I have sceptered?
must you have sceptered?
must he have sceptered?
must we have sceptered?
must you have sceptered?
must they have sceptered? 	must I have been sceptering?
must you have been sceptering?
must he have been sceptering?
must we have been sceptering?
must you have been sceptering?
must they have been sceptering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I scepter?
mustn't you scepter?
mustn't he scepter?
mustn't we scepter?
mustn't you scepter?
mustn't they scepter? 	mustn't I be sceptering?
mustn't you be sceptering?
mustn't he be sceptering?
mustn't we be sceptering?
mustn't you be sceptering?
mustn't they be sceptering? 	mustn't I have sceptered?
mustn't you have sceptered?
mustn't he have sceptered?
mustn't we have sceptered?
mustn't you have sceptered?
mustn't they have sceptered? 	mustn't I have been sceptering?
mustn't you have been sceptering?
mustn't he have been sceptering?
mustn't we have been sceptering?
mustn't you have been sceptering?
mustn't they have been sceptering?