English verb conjugation
MIGHT UNDERPERFORM

Regular verb: underperform - underperformed - underperformed

Affirmation

Simple form	V-ing form
I might underperform you might underperform he might underperform we might underperform you might underperform they might underperform	I might be underperforming you might be underperforming he 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 he 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 he 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 might not underperform you might not underperform he might not underperform we might not underperform you might not underperform they might not underperform	I might not be underperforming you might not be underperforming he might not be underperforming we might not be underperforming you might not be underperforming they might not be underperforming
Perfect	V-ing perfect
I might not have underperformed you might not have underperformed he might not have underperformed we might not have underperformed you might not have underperformed they might not have underperformed	I might not have been underperforming you might not have been underperforming he might not have been underperforming we might not have been underperforming you might not have been underperforming they might not have been underperforming

Interrogative form

Simple form	V-ing form
might I underperform? might you underperform? might he underperform? might we underperform? might you underperform? might they underperform?	might I be underperforming? might you be underperforming? might he 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 he 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 he 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
might I not underperform? might you not underperform? might he not underperform? might we not underperform? might you not underperform? might they not underperform?	might I not be underperforming? might you not be underperforming? might he not be underperforming? might we not be underperforming? might you not be underperforming? might they not be underperforming?
Perfect	V-ing perfect
might I not have underperformed? might you not have underperformed? might he not have underperformed? might we not have underperformed? might you not have underperformed? might they not have underperformed?	might I not have been underperforming? might you not have been underperforming? might he not have been underperforming? might we not have been underperforming? might you not have been underperforming? might they not have been underperforming?