I could multiplex you could multiplex she could multiplex we could multiplex you could multiplex they could multiplex
V-ing form
I could be multiplexing you could be multiplexing she could be multiplexing we could be multiplexing you could be multiplexing they could be multiplexing
Perfect
I could have multiplexed you could have multiplexed she could have multiplexed we could have multiplexed you could have multiplexed they could have multiplexed
V-ing perfect
I could have been multiplexing you could have been multiplexing she could have been multiplexing we could have been multiplexing you could have been multiplexing they could have been multiplexing
Negation
Simple form
I could not multiplex you could not multiplex she could not multiplex we could not multiplex you could not multiplex they could not multiplex
V-ing form
I could not be multiplexing you could not be multiplexing she could not be multiplexing we could not be multiplexing you could not be multiplexing they could not be multiplexing
Perfect
I could not have multiplexed you could not have multiplexed she could not have multiplexed we could not have multiplexed you could not have multiplexed they could not have multiplexed
V-ing perfect
I could not have been multiplexing you could not have been multiplexing she could not have been multiplexing we could not have been multiplexing you could not have been multiplexing they could not have been multiplexing
Interrogative form
Simple form
could I multiplex? could you multiplex? could she multiplex? could we multiplex? could you multiplex? could they multiplex?
V-ing form
could I be multiplexing? could you be multiplexing? could she be multiplexing? could we be multiplexing? could you be multiplexing? could they be multiplexing?
Perfect
could I have multiplexed? could you have multiplexed? could she have multiplexed? could we have multiplexed? could you have multiplexed? could they have multiplexed?
V-ing perfect
could I have been multiplexing? could you have been multiplexing? could she have been multiplexing? could we have been multiplexing? could you have been multiplexing? could they have been multiplexing?
Interro-negative form
Simple form
could I not multiplex? could you not multiplex? could she not multiplex? could we not multiplex? could you not multiplex? could they not multiplex?
V-ing form
could I not be multiplexing? could you not be multiplexing? could she not be multiplexing? could we not be multiplexing? could you not be multiplexing? could they not be multiplexing?
Perfect
could I not have multiplexed? could you not have multiplexed? could she not have multiplexed? could we not have multiplexed? could you not have multiplexed? could they not have multiplexed?
V-ing perfect
could I not have been multiplexing? could you not have been multiplexing? could she not have been multiplexing? could we not have been multiplexing? could you not have been multiplexing? could they not have been multiplexing?