I might concern you might concern he might concern we might concern you might concern they might concern
V-ing form
I might be concerning you might be concerning he might be concerning we might be concerning you might be concerning they might be concerning
Perfect
I might have concerned you might have concerned he might have concerned we might have concerned you might have concerned they might have concerned
V-ing perfect
I might have been concerning you might have been concerning he might have been concerning we might have been concerning you might have been concerning they might have been concerning
Negation
Simple form
I mightn't concern you mightn't concern he mightn't concern we mightn't concern you mightn't concern they mightn't concern
V-ing form
I mightn't be concerning you mightn't be concerning he mightn't be concerning we mightn't be concerning you mightn't be concerning they mightn't be concerning
Perfect
I mightn't have concerned you mightn't have concerned he mightn't have concerned we mightn't have concerned you mightn't have concerned they mightn't have concerned
V-ing perfect
I mightn't have been concerning you mightn't have been concerning he mightn't have been concerning we mightn't have been concerning you mightn't have been concerning they mightn't have been concerning
Interrogative form
Simple form
might I concern? might you concern? might he concern? might we concern? might you concern? might they concern?
V-ing form
might I be concerning? might you be concerning? might he be concerning? might we be concerning? might you be concerning? might they be concerning?
Perfect
might I have concerned? might you have concerned? might he have concerned? might we have concerned? might you have concerned? might they have concerned?
V-ing perfect
might I have been concerning? might you have been concerning? might he have been concerning? might we have been concerning? might you have been concerning? might they have been concerning?
Interro-negative form
Simple form
mightn't I concern? mightn't you concern? mightn't he concern? mightn't we concern? mightn't you concern? mightn't they concern?
V-ing form
mightn't I be concerning? mightn't you be concerning? mightn't he be concerning? mightn't we be concerning? mightn't you be concerning? mightn't they be concerning?
Perfect
mightn't I have concerned? mightn't you have concerned? mightn't he have concerned? mightn't we have concerned? mightn't you have concerned? mightn't they have concerned?
V-ing perfect
mightn't I have been concerning? mightn't you have been concerning? mightn't he have been concerning? mightn't we have been concerning? mightn't you have been concerning? mightn't they have been concerning?