English verb conjugation
MIGHT UNDERPERFORM

Regular verb: underperform - underperformed - underperformed

Affirmation

Simple form	V-ing form
I might underperform you might underperform she might underperform we might underperform you might underperform they might underperform	I might be underperforming you might be underperforming she might be underperforming we might be underperforming you might be underperforming they might be underperforming
Perfect	V-ing perfect
I might have underperformed you might have underperformed she might have underperformed we might have underperformed you might have underperformed they might have underperformed	I might have been underperforming you might have been underperforming she might have been underperforming we might have been underperforming you might have been underperforming they might have been underperforming

Negation

Simple form	V-ing form
I mightn't underperform you mightn't underperform she mightn't underperform we mightn't underperform you mightn't underperform they mightn't underperform	I mightn't be underperforming you mightn't be underperforming she mightn't be underperforming we mightn't be underperforming you mightn't be underperforming they mightn't be underperforming
Perfect	V-ing perfect
I mightn't have underperformed you mightn't have underperformed she mightn't have underperformed we mightn't have underperformed you mightn't have underperformed they mightn't have underperformed	I mightn't have been underperforming you mightn't have been underperforming she mightn't have been underperforming we mightn't have been underperforming you mightn't have been underperforming they mightn't have been underperforming

Interrogative form

Simple form	V-ing form
might I underperform? might you underperform? might she underperform? might we underperform? might you underperform? might they underperform?	might I be underperforming? might you be underperforming? might she be underperforming? might we be underperforming? might you be underperforming? might they be underperforming?
Perfect	V-ing perfect
might I have underperformed? might you have underperformed? might she have underperformed? might we have underperformed? might you have underperformed? might they have underperformed?	might I have been underperforming? might you have been underperforming? might she have been underperforming? might we have been underperforming? might you have been underperforming? might they have been underperforming?

Interro-negative form

Simple form	V-ing form
mightn't I underperform? mightn't you underperform? mightn't she underperform? mightn't we underperform? mightn't you underperform? mightn't they underperform?	mightn't I be underperforming? mightn't you be underperforming? mightn't she be underperforming? mightn't we be underperforming? mightn't you be underperforming? mightn't they be underperforming?
Perfect	V-ing perfect
mightn't I have underperformed? mightn't you have underperformed? mightn't she have underperformed? mightn't we have underperformed? mightn't you have underperformed? mightn't they have underperformed?	mightn't I have been underperforming? mightn't you have been underperforming? mightn't she have been underperforming? mightn't we have been underperforming? mightn't you have been underperforming? mightn't they have been underperforming?