English verb conjugation
COULD HISTORICIZE

Regular verb: historicize - historicized - historicized

Affirmation

Simple form	V-ing form
I could historicize you could historicize he could historicize we could historicize you could historicize they could historicize	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	V-ing 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	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	V-ing form
I couldn't historicize you couldn't historicize he couldn't historicize we couldn't historicize you couldn't historicize they couldn't historicize	I couldn't be historicizing you couldn't be historicizing he couldn't be historicizing we couldn't be historicizing you couldn't be historicizing they couldn't be historicizing
Perfect	V-ing perfect
I couldn't have historicized you couldn't have historicized he couldn't have historicized we couldn't have historicized you couldn't have historicized they couldn't have historicized	I couldn't have been historicizing you couldn't have been historicizing he couldn't have been historicizing we couldn't have been historicizing you couldn't have been historicizing they couldn't have been historicizing

Interrogative form

Simple form	V-ing form
could I historicize? could you historicize? could he historicize? could we historicize? could you historicize? could they historicize?	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	V-ing 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?	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	V-ing form
couldn't I historicize? couldn't you historicize? couldn't he historicize? couldn't we historicize? couldn't you historicize? couldn't they historicize?	couldn't I be historicizing? couldn't you be historicizing? couldn't he be historicizing? couldn't we be historicizing? couldn't you be historicizing? couldn't they be historicizing?
Perfect	V-ing perfect
couldn't I have historicized? couldn't you have historicized? couldn't he have historicized? couldn't we have historicized? couldn't you have historicized? couldn't they have historicized?	couldn't I have been historicizing? couldn't you have been historicizing? couldn't he have been historicizing? couldn't we have been historicizing? couldn't you have been historicizing? couldn't they have been historicizing?