I must commute you must commute he must commute we must commute you must commute they must commute
V-ing form
I must be commuting you must be commuting he must be commuting we must be commuting you must be commuting they must be commuting
Perfect
I must have commuted you must have commuted he must have commuted we must have commuted you must have commuted they must have commuted
V-ing perfect
I must have been commuting you must have been commuting he must have been commuting we must have been commuting you must have been commuting they must have been commuting
Negation
Simple form
I must not commute you must not commute he must not commute we must not commute you must not commute they must not commute
V-ing form
I must not be commuting you must not be commuting he must not be commuting we must not be commuting you must not be commuting they must not be commuting
Perfect
I must not have commuted you must not have commuted he must not have commuted we must not have commuted you must not have commuted they must not have commuted
V-ing perfect
I must not have been commuting you must not have been commuting he must not have been commuting we must not have been commuting you must not have been commuting they must not have been commuting
Interrogative form
Simple form
must I commute? must you commute? must he commute? must we commute? must you commute? must they commute?
V-ing form
must I be commuting? must you be commuting? must he be commuting? must we be commuting? must you be commuting? must they be commuting?
Perfect
must I have commuted? must you have commuted? must he have commuted? must we have commuted? must you have commuted? must they have commuted?
V-ing perfect
must I have been commuting? must you have been commuting? must he have been commuting? must we have been commuting? must you have been commuting? must they have been commuting?
Interro-negative form
Simple form
must I not commute? must you not commute? must he not commute? must we not commute? must you not commute? must they not commute?
V-ing form
must I not be commuting? must you not be commuting? must he not be commuting? must we not be commuting? must you not be commuting? must they not be commuting?
Perfect
must I not have commuted? must you not have commuted? must he not have commuted? must we not have commuted? must you not have commuted? must they not have commuted?
V-ing perfect
must I not have been commuting? must you not have been commuting? must he not have been commuting? must we not have been commuting? must you not have been commuting? must they not have been commuting?