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