English verb conjugation
COULD RICK

Regular verb: rick - ricked - ricked

Affirmation

Simple form	V-ing form
I could rick you could rick he could rick we could rick you could rick they could rick	I could be ricking you could be ricking he could be ricking we could be ricking you could be ricking they could be ricking
Perfect	V-ing perfect
I could have ricked you could have ricked he could have ricked we could have ricked you could have ricked they could have ricked	I could have been ricking you could have been ricking he could have been ricking we could have been ricking you could have been ricking they could have been ricking

Negation

Simple form	V-ing form
I could not rick you could not rick he could not rick we could not rick you could not rick they could not rick	I could not be ricking you could not be ricking he could not be ricking we could not be ricking you could not be ricking they could not be ricking
Perfect	V-ing perfect
I could not have ricked you could not have ricked he could not have ricked we could not have ricked you could not have ricked they could not have ricked	I could not have been ricking you could not have been ricking he could not have been ricking we could not have been ricking you could not have been ricking they could not have been ricking

Interrogative form

Simple form	V-ing form
could I rick? could you rick? could he rick? could we rick? could you rick? could they rick?	could I be ricking? could you be ricking? could he be ricking? could we be ricking? could you be ricking? could they be ricking?
Perfect	V-ing perfect
could I have ricked? could you have ricked? could he have ricked? could we have ricked? could you have ricked? could they have ricked?	could I have been ricking? could you have been ricking? could he have been ricking? could we have been ricking? could you have been ricking? could they have been ricking?

Interro-negative form

Simple form	V-ing form
could I not rick? could you not rick? could he not rick? could we not rick? could you not rick? could they not rick?	could I not be ricking? could you not be ricking? could he not be ricking? could we not be ricking? could you not be ricking? could they not be ricking?
Perfect	V-ing perfect
could I not have ricked? could you not have ricked? could he not have ricked? could we not have ricked? could you not have ricked? could they not have ricked?	could I not have been ricking? could you not have been ricking? could he not have been ricking? could we not have been ricking? could you not have been ricking? could they not have been ricking?