English verb conjugation
COULD MULTIPLEX

Regular verb: multiplex - multiplexed - multiplexed

Affirmation

Simple form	V-ing form
I could multiplex you could multiplex he could multiplex we could multiplex you could multiplex they could multiplex	I could be multiplexing you could be multiplexing he could be multiplexing we could be multiplexing you could be multiplexing they could be multiplexing
Perfect	V-ing perfect
I could have multiplexed you could have multiplexed he could have multiplexed we could have multiplexed you could have multiplexed they could have multiplexed	I could have been multiplexing you could have been multiplexing he could have been multiplexing we could have been multiplexing you could have been multiplexing they could have been multiplexing

Negation

Simple form	V-ing form
I couldn't multiplex you couldn't multiplex he couldn't multiplex we couldn't multiplex you couldn't multiplex they couldn't multiplex	I couldn't be multiplexing you couldn't be multiplexing he couldn't be multiplexing we couldn't be multiplexing you couldn't be multiplexing they couldn't be multiplexing
Perfect	V-ing perfect
I couldn't have multiplexed you couldn't have multiplexed he couldn't have multiplexed we couldn't have multiplexed you couldn't have multiplexed they couldn't have multiplexed	I couldn't have been multiplexing you couldn't have been multiplexing he couldn't have been multiplexing we couldn't have been multiplexing you couldn't have been multiplexing they couldn't have been multiplexing

Interrogative form

Simple form	V-ing form
could I multiplex? could you multiplex? could he multiplex? could we multiplex? could you multiplex? could they multiplex?	could I be multiplexing? could you be multiplexing? could he be multiplexing? could we be multiplexing? could you be multiplexing? could they be multiplexing?
Perfect	V-ing perfect
could I have multiplexed? could you have multiplexed? could he have multiplexed? could we have multiplexed? could you have multiplexed? could they have multiplexed?	could I have been multiplexing? could you have been multiplexing? could he have been multiplexing? could we have been multiplexing? could you have been multiplexing? could they have been multiplexing?

Interro-negative form

Simple form	V-ing form
couldn't I multiplex? couldn't you multiplex? couldn't he multiplex? couldn't we multiplex? couldn't you multiplex? couldn't they multiplex?	couldn't I be multiplexing? couldn't you be multiplexing? couldn't he be multiplexing? couldn't we be multiplexing? couldn't you be multiplexing? couldn't they be multiplexing?
Perfect	V-ing perfect
couldn't I have multiplexed? couldn't you have multiplexed? couldn't he have multiplexed? couldn't we have multiplexed? couldn't you have multiplexed? couldn't they have multiplexed?	couldn't I have been multiplexing? couldn't you have been multiplexing? couldn't he have been multiplexing? couldn't we have been multiplexing? couldn't you have been multiplexing? couldn't they have been multiplexing?