I must revitalize you must revitalize he must revitalize we must revitalize you must revitalize they must revitalize
V-ing form
I must be revitalizing you must be revitalizing he must be revitalizing we must be revitalizing you must be revitalizing they must be revitalizing
Perfect
I must have revitalized you must have revitalized he must have revitalized we must have revitalized you must have revitalized they must have revitalized
V-ing perfect
I must have been revitalizing you must have been revitalizing he must have been revitalizing we must have been revitalizing you must have been revitalizing they must have been revitalizing
Negation
Simple form
I mustn't revitalize you mustn't revitalize he mustn't revitalize we mustn't revitalize you mustn't revitalize they mustn't revitalize
V-ing form
I mustn't be revitalizing you mustn't be revitalizing he mustn't be revitalizing we mustn't be revitalizing you mustn't be revitalizing they mustn't be revitalizing
Perfect
I mustn't have revitalized you mustn't have revitalized he mustn't have revitalized we mustn't have revitalized you mustn't have revitalized they mustn't have revitalized
V-ing perfect
I mustn't have been revitalizing you mustn't have been revitalizing he mustn't have been revitalizing we mustn't have been revitalizing you mustn't have been revitalizing they mustn't have been revitalizing
Interrogative form
Simple form
must I revitalize? must you revitalize? must he revitalize? must we revitalize? must you revitalize? must they revitalize?
V-ing form
must I be revitalizing? must you be revitalizing? must he be revitalizing? must we be revitalizing? must you be revitalizing? must they be revitalizing?
Perfect
must I have revitalized? must you have revitalized? must he have revitalized? must we have revitalized? must you have revitalized? must they have revitalized?
V-ing perfect
must I have been revitalizing? must you have been revitalizing? must he have been revitalizing? must we have been revitalizing? must you have been revitalizing? must they have been revitalizing?
Interro-negative form
Simple form
mustn't I revitalize? mustn't you revitalize? mustn't he revitalize? mustn't we revitalize? mustn't you revitalize? mustn't they revitalize?
V-ing form
mustn't I be revitalizing? mustn't you be revitalizing? mustn't he be revitalizing? mustn't we be revitalizing? mustn't you be revitalizing? mustn't they be revitalizing?
Perfect
mustn't I have revitalized? mustn't you have revitalized? mustn't he have revitalized? mustn't we have revitalized? mustn't you have revitalized? mustn't they have revitalized?
V-ing perfect
mustn't I have been revitalizing? mustn't you have been revitalizing? mustn't he have been revitalizing? mustn't we have been revitalizing? mustn't you have been revitalizing? mustn't they have been revitalizing?