must multiplex
Regular verb: multiplex - multiplexed- multiplexed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must multiplex
you must multiplex
she must multiplex
we must multiplex
you must multiplex
they must multiplex 	I must be multiplexing
you must be multiplexing
she must be multiplexing
we must be multiplexing
you must be multiplexing
they must be multiplexing	I must have multiplexed
you must have multiplexed
she must have multiplexed
we must have multiplexed
you must have multiplexed
they must have multiplexed	I must have been multiplexing
you must have been multiplexing
she must have been multiplexing
we must have been multiplexing
you must have been multiplexing
they must have been multiplexing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't multiplex
you mustn't multiplex
she mustn't multiplex
we mustn't multiplex
you mustn't multiplex
they mustn't multiplex 	I mustn't be multiplexing
you mustn't be multiplexing
she mustn't be multiplexing
we mustn't be multiplexing
you mustn't be multiplexing
they mustn't be multiplexing	I mustn't have multiplexed
you mustn't have multiplexed
she mustn't have multiplexed
we mustn't have multiplexed
you mustn't have multiplexed
they mustn't have multiplexed	I mustn't have been multiplexing
you mustn't have been multiplexing
she mustn't have been multiplexing
we mustn't have been multiplexing
you mustn't have been multiplexing
they mustn't have been multiplexing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I multiplex?
must you multiplex?
must she multiplex?
must we multiplex?
must you multiplex?
must they multiplex? 	must I be multiplexing?
must you be multiplexing?
must she be multiplexing?
must we be multiplexing?
must you be multiplexing?
must they be multiplexing? 	must I have multiplexed?
must you have multiplexed?
must she have multiplexed?
must we have multiplexed?
must you have multiplexed?
must they have multiplexed? 	must I have been multiplexing?
must you have been multiplexing?
must she have been multiplexing?
must we have been multiplexing?
must you have been multiplexing?
must they have been multiplexing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I multiplex?
mustn't you multiplex?
mustn't she multiplex?
mustn't we multiplex?
mustn't you multiplex?
mustn't they multiplex? 	mustn't I be multiplexing?
mustn't you be multiplexing?
mustn't she be multiplexing?
mustn't we be multiplexing?
mustn't you be multiplexing?
mustn't they be multiplexing? 	mustn't I have multiplexed?
mustn't you have multiplexed?
mustn't she have multiplexed?
mustn't we have multiplexed?
mustn't you have multiplexed?
mustn't they have multiplexed? 	mustn't I have been multiplexing?
mustn't you have been multiplexing?
mustn't she have been multiplexing?
mustn't we have been multiplexing?
mustn't you have been multiplexing?
mustn't they have been multiplexing?