I must corrupt you must corrupt he must corrupt we must corrupt you must corrupt they must corrupt
V-ing form
I must be corrupting you must be corrupting he must be corrupting we must be corrupting you must be corrupting they must be corrupting
Perfect
I must have corrupted you must have corrupted he must have corrupted we must have corrupted you must have corrupted they must have corrupted
V-ing perfect
I must have been corrupting you must have been corrupting he must have been corrupting we must have been corrupting you must have been corrupting they must have been corrupting
Negation
Simple form
I must not corrupt you must not corrupt he must not corrupt we must not corrupt you must not corrupt they must not corrupt
V-ing form
I must not be corrupting you must not be corrupting he must not be corrupting we must not be corrupting you must not be corrupting they must not be corrupting
Perfect
I must not have corrupted you must not have corrupted he must not have corrupted we must not have corrupted you must not have corrupted they must not have corrupted
V-ing perfect
I must not have been corrupting you must not have been corrupting he must not have been corrupting we must not have been corrupting you must not have been corrupting they must not have been corrupting
Interrogative form
Simple form
must I corrupt? must you corrupt? must he corrupt? must we corrupt? must you corrupt? must they corrupt?
V-ing form
must I be corrupting? must you be corrupting? must he be corrupting? must we be corrupting? must you be corrupting? must they be corrupting?
Perfect
must I have corrupted? must you have corrupted? must he have corrupted? must we have corrupted? must you have corrupted? must they have corrupted?
V-ing perfect
must I have been corrupting? must you have been corrupting? must he have been corrupting? must we have been corrupting? must you have been corrupting? must they have been corrupting?
Interro-negative form
Simple form
must I not corrupt? must you not corrupt? must he not corrupt? must we not corrupt? must you not corrupt? must they not corrupt?
V-ing form
must I not be corrupting? must you not be corrupting? must he not be corrupting? must we not be corrupting? must you not be corrupting? must they not be corrupting?
Perfect
must I not have corrupted? must you not have corrupted? must he not have corrupted? must we not have corrupted? must you not have corrupted? must they not have corrupted?
V-ing perfect
must I not have been corrupting? must you not have been corrupting? must he not have been corrupting? must we not have been corrupting? must you not have been corrupting? must they not have been corrupting?