must reappear
Regular verb: reappear - reappeared- reappeared

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must reappear
you must reappear
she must reappear
we must reappear
you must reappear
they must reappear 	I must be reappearing
you must be reappearing
she must be reappearing
we must be reappearing
you must be reappearing
they must be reappearing	I must have reappeared
you must have reappeared
she must have reappeared
we must have reappeared
you must have reappeared
they must have reappeared	I must have been reappearing
you must have been reappearing
she must have been reappearing
we must have been reappearing
you must have been reappearing
they must have been reappearing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't reappear
you mustn't reappear
she mustn't reappear
we mustn't reappear
you mustn't reappear
they mustn't reappear 	I mustn't be reappearing
you mustn't be reappearing
she mustn't be reappearing
we mustn't be reappearing
you mustn't be reappearing
they mustn't be reappearing	I mustn't have reappeared
you mustn't have reappeared
she mustn't have reappeared
we mustn't have reappeared
you mustn't have reappeared
they mustn't have reappeared	I mustn't have been reappearing
you mustn't have been reappearing
she mustn't have been reappearing
we mustn't have been reappearing
you mustn't have been reappearing
they mustn't have been reappearing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I reappear?
must you reappear?
must she reappear?
must we reappear?
must you reappear?
must they reappear? 	must I be reappearing?
must you be reappearing?
must she be reappearing?
must we be reappearing?
must you be reappearing?
must they be reappearing? 	must I have reappeared?
must you have reappeared?
must she have reappeared?
must we have reappeared?
must you have reappeared?
must they have reappeared? 	must I have been reappearing?
must you have been reappearing?
must she have been reappearing?
must we have been reappearing?
must you have been reappearing?
must they have been reappearing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I reappear?
mustn't you reappear?
mustn't she reappear?
mustn't we reappear?
mustn't you reappear?
mustn't they reappear? 	mustn't I be reappearing?
mustn't you be reappearing?
mustn't she be reappearing?
mustn't we be reappearing?
mustn't you be reappearing?
mustn't they be reappearing? 	mustn't I have reappeared?
mustn't you have reappeared?
mustn't she have reappeared?
mustn't we have reappeared?
mustn't you have reappeared?
mustn't they have reappeared? 	mustn't I have been reappearing?
mustn't you have been reappearing?
mustn't she have been reappearing?
mustn't we have been reappearing?
mustn't you have been reappearing?
mustn't they have been reappearing?