English verb conjugation
COULD OUTRIVAL

Regular verb: outrival - outrivaled - outrivaled

Affirmation

Simple form	V-ing form
I could outrival you could outrival he could outrival we could outrival you could outrival they could outrival	I could be outrivaling you could be outrivaling he could be outrivaling we could be outrivaling you could be outrivaling they could be outrivaling
Perfect	V-ing perfect
I could have outrivaled you could have outrivaled he could have outrivaled we could have outrivaled you could have outrivaled they could have outrivaled	I could have been outrivaling you could have been outrivaling he could have been outrivaling we could have been outrivaling you could have been outrivaling they could have been outrivaling

Negation

Simple form	V-ing form
I could not outrival you could not outrival he could not outrival we could not outrival you could not outrival they could not outrival	I could not be outrivaling you could not be outrivaling he could not be outrivaling we could not be outrivaling you could not be outrivaling they could not be outrivaling
Perfect	V-ing perfect
I could not have outrivaled you could not have outrivaled he could not have outrivaled we could not have outrivaled you could not have outrivaled they could not have outrivaled	I could not have been outrivaling you could not have been outrivaling he could not have been outrivaling we could not have been outrivaling you could not have been outrivaling they could not have been outrivaling

Interrogative form

Simple form	V-ing form
could I outrival? could you outrival? could he outrival? could we outrival? could you outrival? could they outrival?	could I be outrivaling? could you be outrivaling? could he be outrivaling? could we be outrivaling? could you be outrivaling? could they be outrivaling?
Perfect	V-ing perfect
could I have outrivaled? could you have outrivaled? could he have outrivaled? could we have outrivaled? could you have outrivaled? could they have outrivaled?	could I have been outrivaling? could you have been outrivaling? could he have been outrivaling? could we have been outrivaling? could you have been outrivaling? could they have been outrivaling?

Interro-negative form

Simple form	V-ing form
could I not outrival? could you not outrival? could he not outrival? could we not outrival? could you not outrival? could they not outrival?	could I not be outrivaling? could you not be outrivaling? could he not be outrivaling? could we not be outrivaling? could you not be outrivaling? could they not be outrivaling?
Perfect	V-ing perfect
could I not have outrivaled? could you not have outrivaled? could he not have outrivaled? could we not have outrivaled? could you not have outrivaled? could they not have outrivaled?	could I not have been outrivaling? could you not have been outrivaling? could he not have been outrivaling? could we not have been outrivaling? could you not have been outrivaling? could they not have been outrivaling?