English verb conjugation
COULD EXTERIORIZE

Regular verb: exteriorize - exteriorized - exteriorized

Affirmation

Simple form	V-ing form
I could exteriorize you could exteriorize he could exteriorize we could exteriorize you could exteriorize they could exteriorize	I could be exteriorizing you could be exteriorizing he could be exteriorizing we could be exteriorizing you could be exteriorizing they could be exteriorizing
Perfect	V-ing perfect
I could have exteriorized you could have exteriorized he could have exteriorized we could have exteriorized you could have exteriorized they could have exteriorized	I could have been exteriorizing you could have been exteriorizing he could have been exteriorizing we could have been exteriorizing you could have been exteriorizing they could have been exteriorizing

Negation

Simple form	V-ing form
I could not exteriorize you could not exteriorize he could not exteriorize we could not exteriorize you could not exteriorize they could not exteriorize	I could not be exteriorizing you could not be exteriorizing he could not be exteriorizing we could not be exteriorizing you could not be exteriorizing they could not be exteriorizing
Perfect	V-ing perfect
I could not have exteriorized you could not have exteriorized he could not have exteriorized we could not have exteriorized you could not have exteriorized they could not have exteriorized	I could not have been exteriorizing you could not have been exteriorizing he could not have been exteriorizing we could not have been exteriorizing you could not have been exteriorizing they could not have been exteriorizing

Interrogative form

Simple form	V-ing form
could I exteriorize? could you exteriorize? could he exteriorize? could we exteriorize? could you exteriorize? could they exteriorize?	could I be exteriorizing? could you be exteriorizing? could he be exteriorizing? could we be exteriorizing? could you be exteriorizing? could they be exteriorizing?
Perfect	V-ing perfect
could I have exteriorized? could you have exteriorized? could he have exteriorized? could we have exteriorized? could you have exteriorized? could they have exteriorized?	could I have been exteriorizing? could you have been exteriorizing? could he have been exteriorizing? could we have been exteriorizing? could you have been exteriorizing? could they have been exteriorizing?

Interro-negative form

Simple form	V-ing form
could I not exteriorize? could you not exteriorize? could he not exteriorize? could we not exteriorize? could you not exteriorize? could they not exteriorize?	could I not be exteriorizing? could you not be exteriorizing? could he not be exteriorizing? could we not be exteriorizing? could you not be exteriorizing? could they not be exteriorizing?
Perfect	V-ing perfect
could I not have exteriorized? could you not have exteriorized? could he not have exteriorized? could we not have exteriorized? could you not have exteriorized? could they not have exteriorized?	could I not have been exteriorizing? could you not have been exteriorizing? could he not have been exteriorizing? could we not have been exteriorizing? could you not have been exteriorizing? could they not have been exteriorizing?