I could historicize you could historicize he could historicize we could historicize you could historicize they could historicize
V-ing form
I could be historicizing you could be historicizing he could be historicizing we could be historicizing you could be historicizing they could be historicizing
Perfect
I could have historicized you could have historicized he could have historicized we could have historicized you could have historicized they could have historicized
V-ing perfect
I could have been historicizing you could have been historicizing he could have been historicizing we could have been historicizing you could have been historicizing they could have been historicizing
Negation
Simple form
I could not historicize you could not historicize he could not historicize we could not historicize you could not historicize they could not historicize
V-ing form
I could not be historicizing you could not be historicizing he could not be historicizing we could not be historicizing you could not be historicizing they could not be historicizing
Perfect
I could not have historicized you could not have historicized he could not have historicized we could not have historicized you could not have historicized they could not have historicized
V-ing perfect
I could not have been historicizing you could not have been historicizing he could not have been historicizing we could not have been historicizing you could not have been historicizing they could not have been historicizing
Interrogative form
Simple form
could I historicize? could you historicize? could he historicize? could we historicize? could you historicize? could they historicize?
V-ing form
could I be historicizing? could you be historicizing? could he be historicizing? could we be historicizing? could you be historicizing? could they be historicizing?
Perfect
could I have historicized? could you have historicized? could he have historicized? could we have historicized? could you have historicized? could they have historicized?
V-ing perfect
could I have been historicizing? could you have been historicizing? could he have been historicizing? could we have been historicizing? could you have been historicizing? could they have been historicizing?
Interro-negative form
Simple form
could I not historicize? could you not historicize? could he not historicize? could we not historicize? could you not historicize? could they not historicize?
V-ing form
could I not be historicizing? could you not be historicizing? could he not be historicizing? could we not be historicizing? could you not be historicizing? could they not be historicizing?
Perfect
could I not have historicized? could you not have historicized? could he not have historicized? could we not have historicized? could you not have historicized? could they not have historicized?
V-ing perfect
could I not have been historicizing? could you not have been historicizing? could he not have been historicizing? could we not have been historicizing? could you not have been historicizing? could they not have been historicizing?