I must perpetrate you must perpetrate he must perpetrate we must perpetrate you must perpetrate they must perpetrate
V-ing form
I must be perpetrating you must be perpetrating he must be perpetrating we must be perpetrating you must be perpetrating they must be perpetrating
Perfect
I must have perpetrated you must have perpetrated he must have perpetrated we must have perpetrated you must have perpetrated they must have perpetrated
V-ing perfect
I must have been perpetrating you must have been perpetrating he must have been perpetrating we must have been perpetrating you must have been perpetrating they must have been perpetrating
Negation
Simple form
I must not perpetrate you must not perpetrate he must not perpetrate we must not perpetrate you must not perpetrate they must not perpetrate
V-ing form
I must not be perpetrating you must not be perpetrating he must not be perpetrating we must not be perpetrating you must not be perpetrating they must not be perpetrating
Perfect
I must not have perpetrated you must not have perpetrated he must not have perpetrated we must not have perpetrated you must not have perpetrated they must not have perpetrated
V-ing perfect
I must not have been perpetrating you must not have been perpetrating he must not have been perpetrating we must not have been perpetrating you must not have been perpetrating they must not have been perpetrating
Interrogative form
Simple form
must I perpetrate? must you perpetrate? must he perpetrate? must we perpetrate? must you perpetrate? must they perpetrate?
V-ing form
must I be perpetrating? must you be perpetrating? must he be perpetrating? must we be perpetrating? must you be perpetrating? must they be perpetrating?
Perfect
must I have perpetrated? must you have perpetrated? must he have perpetrated? must we have perpetrated? must you have perpetrated? must they have perpetrated?
V-ing perfect
must I have been perpetrating? must you have been perpetrating? must he have been perpetrating? must we have been perpetrating? must you have been perpetrating? must they have been perpetrating?
Interro-negative form
Simple form
must I not perpetrate? must you not perpetrate? must he not perpetrate? must we not perpetrate? must you not perpetrate? must they not perpetrate?
V-ing form
must I not be perpetrating? must you not be perpetrating? must he not be perpetrating? must we not be perpetrating? must you not be perpetrating? must they not be perpetrating?
Perfect
must I not have perpetrated? must you not have perpetrated? must he not have perpetrated? must we not have perpetrated? must you not have perpetrated? must they not have perpetrated?
V-ing perfect
must I not have been perpetrating? must you not have been perpetrating? must he not have been perpetrating? must we not have been perpetrating? must you not have been perpetrating? must they not have been perpetrating?