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