must revamp
Regular verb: revamp - revamped- revamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must revamp
you must revamp
he must revamp
we must revamp
you must revamp
they must revamp 	I must be revamping
you must be revamping
he must be revamping
we must be revamping
you must be revamping
they must be revamping	I must have revamped
you must have revamped
he must have revamped
we must have revamped
you must have revamped
they must have revamped	I must have been revamping
you must have been revamping
he must have been revamping
we must have been revamping
you must have been revamping
they must have been revamping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't revamp
you mustn't revamp
he mustn't revamp
we mustn't revamp
you mustn't revamp
they mustn't revamp 	I mustn't be revamping
you mustn't be revamping
he mustn't be revamping
we mustn't be revamping
you mustn't be revamping
they mustn't be revamping	I mustn't have revamped
you mustn't have revamped
he mustn't have revamped
we mustn't have revamped
you mustn't have revamped
they mustn't have revamped	I mustn't have been revamping
you mustn't have been revamping
he mustn't have been revamping
we mustn't have been revamping
you mustn't have been revamping
they mustn't have been revamping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I revamp?
must you revamp?
must he revamp?
must we revamp?
must you revamp?
must they revamp? 	must I be revamping?
must you be revamping?
must he be revamping?
must we be revamping?
must you be revamping?
must they be revamping? 	must I have revamped?
must you have revamped?
must he have revamped?
must we have revamped?
must you have revamped?
must they have revamped? 	must I have been revamping?
must you have been revamping?
must he have been revamping?
must we have been revamping?
must you have been revamping?
must they have been revamping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I revamp?
mustn't you revamp?
mustn't he revamp?
mustn't we revamp?
mustn't you revamp?
mustn't they revamp? 	mustn't I be revamping?
mustn't you be revamping?
mustn't he be revamping?
mustn't we be revamping?
mustn't you be revamping?
mustn't they be revamping? 	mustn't I have revamped?
mustn't you have revamped?
mustn't he have revamped?
mustn't we have revamped?
mustn't you have revamped?
mustn't they have revamped? 	mustn't I have been revamping?
mustn't you have been revamping?
mustn't he have been revamping?
mustn't we have been revamping?
mustn't you have been revamping?
mustn't they have been revamping?