I might concentrate you might concentrate he might concentrate we might concentrate you might concentrate they might concentrate
V-ing form
I might be concentrating you might be concentrating he might be concentrating we might be concentrating you might be concentrating they might be concentrating
Perfect
I might have concentrated you might have concentrated he might have concentrated we might have concentrated you might have concentrated they might have concentrated
V-ing perfect
I might have been concentrating you might have been concentrating he might have been concentrating we might have been concentrating you might have been concentrating they might have been concentrating
Negation
Simple form
I might not concentrate you might not concentrate he might not concentrate we might not concentrate you might not concentrate they might not concentrate
V-ing form
I might not be concentrating you might not be concentrating he might not be concentrating we might not be concentrating you might not be concentrating they might not be concentrating
Perfect
I might not have concentrated you might not have concentrated he might not have concentrated we might not have concentrated you might not have concentrated they might not have concentrated
V-ing perfect
I might not have been concentrating you might not have been concentrating he might not have been concentrating we might not have been concentrating you might not have been concentrating they might not have been concentrating
Interrogative form
Simple form
might I concentrate? might you concentrate? might he concentrate? might we concentrate? might you concentrate? might they concentrate?
V-ing form
might I be concentrating? might you be concentrating? might he be concentrating? might we be concentrating? might you be concentrating? might they be concentrating?
Perfect
might I have concentrated? might you have concentrated? might he have concentrated? might we have concentrated? might you have concentrated? might they have concentrated?
V-ing perfect
might I have been concentrating? might you have been concentrating? might he have been concentrating? might we have been concentrating? might you have been concentrating? might they have been concentrating?
Interro-negative form
Simple form
might I not concentrate? might you not concentrate? might he not concentrate? might we not concentrate? might you not concentrate? might they not concentrate?
V-ing form
might I not be concentrating? might you not be concentrating? might he not be concentrating? might we not be concentrating? might you not be concentrating? might they not be concentrating?
Perfect
might I not have concentrated? might you not have concentrated? might he not have concentrated? might we not have concentrated? might you not have concentrated? might they not have concentrated?
V-ing perfect
might I not have been concentrating? might you not have been concentrating? might he not have been concentrating? might we not have been concentrating? might you not have been concentrating? might they not have been concentrating?