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