I must prosecute you must prosecute she must prosecute we must prosecute you must prosecute they must prosecute
V-ing form
I must be prosecuting you must be prosecuting she must be prosecuting we must be prosecuting you must be prosecuting they must be prosecuting
Perfect
I must have prosecuted you must have prosecuted she must have prosecuted we must have prosecuted you must have prosecuted they must have prosecuted
V-ing perfect
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
I must not prosecute you must not prosecute she must not prosecute we must not prosecute you must not prosecute they must not prosecute
V-ing form
I must not be prosecuting you must not be prosecuting she must not be prosecuting we must not be prosecuting you must not be prosecuting they must not be prosecuting
Perfect
I must not have prosecuted you must not have prosecuted she must not have prosecuted we must not have prosecuted you must not have prosecuted they must not have prosecuted
V-ing perfect
I must not have been prosecuting you must not have been prosecuting she must not have been prosecuting we must not have been prosecuting you must not have been prosecuting they must not have been prosecuting
Interrogative form
Simple form
must I prosecute? must you prosecute? must she prosecute? must we prosecute? must you prosecute? must they prosecute?
V-ing form
must I be prosecuting? must you be prosecuting? must she be prosecuting? must we be prosecuting? must you be prosecuting? must they be prosecuting?
Perfect
must I have prosecuted? must you have prosecuted? must she have prosecuted? must we have prosecuted? must you have prosecuted? must they have prosecuted?
V-ing perfect
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
must I not prosecute? must you not prosecute? must she not prosecute? must we not prosecute? must you not prosecute? must they not prosecute?
V-ing form
must I not be prosecuting? must you not be prosecuting? must she not be prosecuting? must we not be prosecuting? must you not be prosecuting? must they not be prosecuting?
Perfect
must I not have prosecuted? must you not have prosecuted? must she not have prosecuted? must we not have prosecuted? must you not have prosecuted? must they not have prosecuted?
V-ing perfect
must I not have been prosecuting? must you not have been prosecuting? must she not have been prosecuting? must we not have been prosecuting? must you not have been prosecuting? must they not have been prosecuting?