must prosecute
Regular verb: prosecute - prosecuted- prosecuted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must prosecute
you must prosecute
she must prosecute
we must prosecute
you must prosecute
they must prosecute 	I must be prosecuting
you must be prosecuting
she must be prosecuting
we must be prosecuting
you must be prosecuting
they must be prosecuting	I must have prosecuted
you must have prosecuted
she must have prosecuted
we must have prosecuted
you must have prosecuted
they must have prosecuted	I must have been prosecuting
you must have been prosecuting
she must have been prosecuting
we must have been prosecuting
you must have been prosecuting
they must have been prosecuting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't prosecute
you mustn't prosecute
she mustn't prosecute
we mustn't prosecute
you mustn't prosecute
they mustn't prosecute 	I mustn't be prosecuting
you mustn't be prosecuting
she mustn't be prosecuting
we mustn't be prosecuting
you mustn't be prosecuting
they mustn't be prosecuting	I mustn't have prosecuted
you mustn't have prosecuted
she mustn't have prosecuted
we mustn't have prosecuted
you mustn't have prosecuted
they mustn't have prosecuted	I mustn't have been prosecuting
you mustn't have been prosecuting
she mustn't have been prosecuting
we mustn't have been prosecuting
you mustn't have been prosecuting
they mustn't have been prosecuting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I prosecute?
must you prosecute?
must she prosecute?
must we prosecute?
must you prosecute?
must they prosecute? 	must I be prosecuting?
must you be prosecuting?
must she be prosecuting?
must we be prosecuting?
must you be prosecuting?
must they be prosecuting? 	must I have prosecuted?
must you have prosecuted?
must she have prosecuted?
must we have prosecuted?
must you have prosecuted?
must they have prosecuted? 	must I have been prosecuting?
must you have been prosecuting?
must she have been prosecuting?
must we have been prosecuting?
must you have been prosecuting?
must they have been prosecuting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I prosecute?
mustn't you prosecute?
mustn't she prosecute?
mustn't we prosecute?
mustn't you prosecute?
mustn't they prosecute? 	mustn't I be prosecuting?
mustn't you be prosecuting?
mustn't she be prosecuting?
mustn't we be prosecuting?
mustn't you be prosecuting?
mustn't they be prosecuting? 	mustn't I have prosecuted?
mustn't you have prosecuted?
mustn't she have prosecuted?
mustn't we have prosecuted?
mustn't you have prosecuted?
mustn't they have prosecuted? 	mustn't I have been prosecuting?
mustn't you have been prosecuting?
mustn't she have been prosecuting?
mustn't we have been prosecuting?
mustn't you have been prosecuting?
mustn't they have been prosecuting?