I could ostracize you could ostracize he could ostracize we could ostracize you could ostracize they could ostracize
V-ing form
I could be ostracizing you could be ostracizing he could be ostracizing we could be ostracizing you could be ostracizing they could be ostracizing
Perfect
I could have ostracized you could have ostracized he could have ostracized we could have ostracized you could have ostracized they could have ostracized
V-ing perfect
I could have been ostracizing you could have been ostracizing he could have been ostracizing we could have been ostracizing you could have been ostracizing they could have been ostracizing
Negation
Simple form
I could not ostracize you could not ostracize he could not ostracize we could not ostracize you could not ostracize they could not ostracize
V-ing form
I could not be ostracizing you could not be ostracizing he could not be ostracizing we could not be ostracizing you could not be ostracizing they could not be ostracizing
Perfect
I could not have ostracized you could not have ostracized he could not have ostracized we could not have ostracized you could not have ostracized they could not have ostracized
V-ing perfect
I could not have been ostracizing you could not have been ostracizing he could not have been ostracizing we could not have been ostracizing you could not have been ostracizing they could not have been ostracizing
Interrogative form
Simple form
could I ostracize? could you ostracize? could he ostracize? could we ostracize? could you ostracize? could they ostracize?
V-ing form
could I be ostracizing? could you be ostracizing? could he be ostracizing? could we be ostracizing? could you be ostracizing? could they be ostracizing?
Perfect
could I have ostracized? could you have ostracized? could he have ostracized? could we have ostracized? could you have ostracized? could they have ostracized?
V-ing perfect
could I have been ostracizing? could you have been ostracizing? could he have been ostracizing? could we have been ostracizing? could you have been ostracizing? could they have been ostracizing?
Interro-negative form
Simple form
could I not ostracize? could you not ostracize? could he not ostracize? could we not ostracize? could you not ostracize? could they not ostracize?
V-ing form
could I not be ostracizing? could you not be ostracizing? could he not be ostracizing? could we not be ostracizing? could you not be ostracizing? could they not be ostracizing?
Perfect
could I not have ostracized? could you not have ostracized? could he not have ostracized? could we not have ostracized? could you not have ostracized? could they not have ostracized?
V-ing perfect
could I not have been ostracizing? could you not have been ostracizing? could he not have been ostracizing? could we not have been ostracizing? could you not have been ostracizing? could they not have been ostracizing?