English verb conjugation
COULD OUTPERFORM

Regular verb: outperform - outperformed - outperformed

Affirmation

Simple form	V-ing form
I could outperform you could outperform she could outperform we could outperform you could outperform they could outperform	I could be outperforming you could be outperforming she could be outperforming we could be outperforming you could be outperforming they could be outperforming
Perfect	V-ing perfect
I could have outperformed you could have outperformed she could have outperformed we could have outperformed you could have outperformed they could have outperformed	I could have been outperforming you could have been outperforming she could have been outperforming we could have been outperforming you could have been outperforming they could have been outperforming

Negation

Simple form	V-ing form
I could not outperform you could not outperform she could not outperform we could not outperform you could not outperform they could not outperform	I could not be outperforming you could not be outperforming she could not be outperforming we could not be outperforming you could not be outperforming they could not be outperforming
Perfect	V-ing perfect
I could not have outperformed you could not have outperformed she could not have outperformed we could not have outperformed you could not have outperformed they could not have outperformed	I could not have been outperforming you could not have been outperforming she could not have been outperforming we could not have been outperforming you could not have been outperforming they could not have been outperforming

Interrogative form

Simple form	V-ing form
could I outperform? could you outperform? could she outperform? could we outperform? could you outperform? could they outperform?	could I be outperforming? could you be outperforming? could she be outperforming? could we be outperforming? could you be outperforming? could they be outperforming?
Perfect	V-ing perfect
could I have outperformed? could you have outperformed? could she have outperformed? could we have outperformed? could you have outperformed? could they have outperformed?	could I have been outperforming? could you have been outperforming? could she have been outperforming? could we have been outperforming? could you have been outperforming? could they have been outperforming?

Interro-negative form

Simple form	V-ing form
could I not outperform? could you not outperform? could she not outperform? could we not outperform? could you not outperform? could they not outperform?	could I not be outperforming? could you not be outperforming? could she not be outperforming? could we not be outperforming? could you not be outperforming? could they not be outperforming?
Perfect	V-ing perfect
could I not have outperformed? could you not have outperformed? could she not have outperformed? could we not have outperformed? could you not have outperformed? could they not have outperformed?	could I not have been outperforming? could you not have been outperforming? could she not have been outperforming? could we not have been outperforming? could you not have been outperforming? could they not have been outperforming?