English verb conjugation
COULD PEEN

Regular verb: peen - peened - peened

Affirmation

Simple form	V-ing form
I could peen you could peen he could peen we could peen you could peen they could peen	I could be peening you could be peening he could be peening we could be peening you could be peening they could be peening
Perfect	V-ing perfect
I could have peened you could have peened he could have peened we could have peened you could have peened they could have peened	I could have been peening you could have been peening he could have been peening we could have been peening you could have been peening they could have been peening

Negation

Simple form	V-ing form
I could not peen you could not peen he could not peen we could not peen you could not peen they could not peen	I could not be peening you could not be peening he could not be peening we could not be peening you could not be peening they could not be peening
Perfect	V-ing perfect
I could not have peened you could not have peened he could not have peened we could not have peened you could not have peened they could not have peened	I could not have been peening you could not have been peening he could not have been peening we could not have been peening you could not have been peening they could not have been peening

Interrogative form

Simple form	V-ing form
could I peen? could you peen? could he peen? could we peen? could you peen? could they peen?	could I be peening? could you be peening? could he be peening? could we be peening? could you be peening? could they be peening?
Perfect	V-ing perfect
could I have peened? could you have peened? could he have peened? could we have peened? could you have peened? could they have peened?	could I have been peening? could you have been peening? could he have been peening? could we have been peening? could you have been peening? could they have been peening?

Interro-negative form

Simple form	V-ing form
could I not peen? could you not peen? could he not peen? could we not peen? could you not peen? could they not peen?	could I not be peening? could you not be peening? could he not be peening? could we not be peening? could you not be peening? could they not be peening?
Perfect	V-ing perfect
could I not have peened? could you not have peened? could he not have peened? could we not have peened? could you not have peened? could they not have peened?	could I not have been peening? could you not have been peening? could he not have been peening? could we not have been peening? could you not have been peening? could they not have been peening?