English verb conjugation
MUST GOVERN

Regular verb: govern - governed - governed

Affirmation

Simple form	V-ing form
I must govern you must govern he must govern we must govern you must govern they must govern	I must be governing you must be governing he must be governing we must be governing you must be governing they must be governing
Perfect	V-ing perfect
I must have governed you must have governed he must have governed we must have governed you must have governed they must have governed	I must have been governing you must have been governing he must have been governing we must have been governing you must have been governing they must have been governing

Negation

Simple form	V-ing form
I mustn't govern you mustn't govern he mustn't govern we mustn't govern you mustn't govern they mustn't govern	I mustn't be governing you mustn't be governing he mustn't be governing we mustn't be governing you mustn't be governing they mustn't be governing
Perfect	V-ing perfect
I mustn't have governed you mustn't have governed he mustn't have governed we mustn't have governed you mustn't have governed they mustn't have governed	I mustn't have been governing you mustn't have been governing he mustn't have been governing we mustn't have been governing you mustn't have been governing they mustn't have been governing

Interrogative form

Simple form	V-ing form
must I govern? must you govern? must he govern? must we govern? must you govern? must they govern?	must I be governing? must you be governing? must he be governing? must we be governing? must you be governing? must they be governing?
Perfect	V-ing perfect
must I have governed? must you have governed? must he have governed? must we have governed? must you have governed? must they have governed?	must I have been governing? must you have been governing? must he have been governing? must we have been governing? must you have been governing? must they have been governing?

Interro-negative form

Simple form	V-ing form
mustn't I govern? mustn't you govern? mustn't he govern? mustn't we govern? mustn't you govern? mustn't they govern?	mustn't I be governing? mustn't you be governing? mustn't he be governing? mustn't we be governing? mustn't you be governing? mustn't they be governing?
Perfect	V-ing perfect
mustn't I have governed? mustn't you have governed? mustn't he have governed? mustn't we have governed? mustn't you have governed? mustn't they have governed?	mustn't I have been governing? mustn't you have been governing? mustn't he have been governing? mustn't we have been governing? mustn't you have been governing? mustn't they have been governing?