English verb conjugation
COULD PRESCREEN

Regular verb: prescreen - prescreened - prescreened

Affirmation

Simple form	V-ing form
I could prescreen you could prescreen he could prescreen we could prescreen you could prescreen they could prescreen	I could be prescreening you could be prescreening he could be prescreening we could be prescreening you could be prescreening they could be prescreening
Perfect	V-ing perfect
I could have prescreened you could have prescreened he could have prescreened we could have prescreened you could have prescreened they could have prescreened	I could have been prescreening you could have been prescreening he could have been prescreening we could have been prescreening you could have been prescreening they could have been prescreening

Negation

Simple form	V-ing form
I could not prescreen you could not prescreen he could not prescreen we could not prescreen you could not prescreen they could not prescreen	I could not be prescreening you could not be prescreening he could not be prescreening we could not be prescreening you could not be prescreening they could not be prescreening
Perfect	V-ing perfect
I could not have prescreened you could not have prescreened he could not have prescreened we could not have prescreened you could not have prescreened they could not have prescreened	I could not have been prescreening you could not have been prescreening he could not have been prescreening we could not have been prescreening you could not have been prescreening they could not have been prescreening

Interrogative form

Simple form	V-ing form
could I prescreen? could you prescreen? could he prescreen? could we prescreen? could you prescreen? could they prescreen?	could I be prescreening? could you be prescreening? could he be prescreening? could we be prescreening? could you be prescreening? could they be prescreening?
Perfect	V-ing perfect
could I have prescreened? could you have prescreened? could he have prescreened? could we have prescreened? could you have prescreened? could they have prescreened?	could I have been prescreening? could you have been prescreening? could he have been prescreening? could we have been prescreening? could you have been prescreening? could they have been prescreening?

Interro-negative form

Simple form	V-ing form
could I not prescreen? could you not prescreen? could he not prescreen? could we not prescreen? could you not prescreen? could they not prescreen?	could I not be prescreening? could you not be prescreening? could he not be prescreening? could we not be prescreening? could you not be prescreening? could they not be prescreening?
Perfect	V-ing perfect
could I not have prescreened? could you not have prescreened? could he not have prescreened? could we not have prescreened? could you not have prescreened? could they not have prescreened?	could I not have been prescreening? could you not have been prescreening? could he not have been prescreening? could we not have been prescreening? could you not have been prescreening? could they not have been prescreening?