must commute
Regular verb: commute - commuted- commuted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must commute
you must commute
he must commute
we must commute
you must commute
they must commute 	I must be commuting
you must be commuting
he must be commuting
we must be commuting
you must be commuting
they must be commuting	I must have commuted
you must have commuted
he must have commuted
we must have commuted
you must have commuted
they must have commuted	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 	V-ing form 	Perfect 	V-ing perfect 	
I must not commute
you must not commute
he must not commute
we must not commute
you must not commute
they must not commute 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
must I commute?
must you commute?
must he commute?
must we commute?
must you commute?
must they commute? 	must I be commuting?
must you be commuting?
must he be commuting?
must we be commuting?
must you be commuting?
must they be commuting? 	must I have commuted?
must you have commuted?
must he have commuted?
must we have commuted?
must you have commuted?
must they have commuted? 	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 	V-ing form 	Perfect 	V-ing perfect 	
must I not commute?
must you not commute?
must he not commute?
must we not commute?
must you not commute?
must they not commute? 	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? 	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? 	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?