must subvert
Regular verb: subvert - subverted- subverted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must subvert
you must subvert
he must subvert
we must subvert
you must subvert
they must subvert 	I must be subverting
you must be subverting
he must be subverting
we must be subverting
you must be subverting
they must be subverting	I must have subverted
you must have subverted
he must have subverted
we must have subverted
you must have subverted
they must have subverted	I must have been subverting
you must have been subverting
he must have been subverting
we must have been subverting
you must have been subverting
they must have been subverting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't subvert
you mustn't subvert
he mustn't subvert
we mustn't subvert
you mustn't subvert
they mustn't subvert 	I mustn't be subverting
you mustn't be subverting
he mustn't be subverting
we mustn't be subverting
you mustn't be subverting
they mustn't be subverting	I mustn't have subverted
you mustn't have subverted
he mustn't have subverted
we mustn't have subverted
you mustn't have subverted
they mustn't have subverted	I mustn't have been subverting
you mustn't have been subverting
he mustn't have been subverting
we mustn't have been subverting
you mustn't have been subverting
they mustn't have been subverting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I subvert?
must you subvert?
must he subvert?
must we subvert?
must you subvert?
must they subvert? 	must I be subverting?
must you be subverting?
must he be subverting?
must we be subverting?
must you be subverting?
must they be subverting? 	must I have subverted?
must you have subverted?
must he have subverted?
must we have subverted?
must you have subverted?
must they have subverted? 	must I have been subverting?
must you have been subverting?
must he have been subverting?
must we have been subverting?
must you have been subverting?
must they have been subverting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I subvert?
mustn't you subvert?
mustn't he subvert?
mustn't we subvert?
mustn't you subvert?
mustn't they subvert? 	mustn't I be subverting?
mustn't you be subverting?
mustn't he be subverting?
mustn't we be subverting?
mustn't you be subverting?
mustn't they be subverting? 	mustn't I have subverted?
mustn't you have subverted?
mustn't he have subverted?
mustn't we have subverted?
mustn't you have subverted?
mustn't they have subverted? 	mustn't I have been subverting?
mustn't you have been subverting?
mustn't he have been subverting?
mustn't we have been subverting?
mustn't you have been subverting?
mustn't they have been subverting?