must govern
Regular verb: govern - governed- governed

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