English verb conjugation
COULD PARASITIZE

Regular verb: parasitize - parasitized - parasitized

Affirmation

Simple form	V-ing form
I could parasitize you could parasitize she could parasitize we could parasitize you could parasitize they could parasitize	I could be parasitizing you could be parasitizing she could be parasitizing we could be parasitizing you could be parasitizing they could be parasitizing
Perfect	V-ing perfect
I could have parasitized you could have parasitized she could have parasitized we could have parasitized you could have parasitized they could have parasitized	I could have been parasitizing you could have been parasitizing she could have been parasitizing we could have been parasitizing you could have been parasitizing they could have been parasitizing

Negation

Simple form	V-ing form
I could not parasitize you could not parasitize she could not parasitize we could not parasitize you could not parasitize they could not parasitize	I could not be parasitizing you could not be parasitizing she could not be parasitizing we could not be parasitizing you could not be parasitizing they could not be parasitizing
Perfect	V-ing perfect
I could not have parasitized you could not have parasitized she could not have parasitized we could not have parasitized you could not have parasitized they could not have parasitized	I could not have been parasitizing you could not have been parasitizing she could not have been parasitizing we could not have been parasitizing you could not have been parasitizing they could not have been parasitizing

Interrogative form

Simple form	V-ing form
could I parasitize? could you parasitize? could she parasitize? could we parasitize? could you parasitize? could they parasitize?	could I be parasitizing? could you be parasitizing? could she be parasitizing? could we be parasitizing? could you be parasitizing? could they be parasitizing?
Perfect	V-ing perfect
could I have parasitized? could you have parasitized? could she have parasitized? could we have parasitized? could you have parasitized? could they have parasitized?	could I have been parasitizing? could you have been parasitizing? could she have been parasitizing? could we have been parasitizing? could you have been parasitizing? could they have been parasitizing?

Interro-negative form

Simple form	V-ing form
could I not parasitize? could you not parasitize? could she not parasitize? could we not parasitize? could you not parasitize? could they not parasitize?	could I not be parasitizing? could you not be parasitizing? could she not be parasitizing? could we not be parasitizing? could you not be parasitizing? could they not be parasitizing?
Perfect	V-ing perfect
could I not have parasitized? could you not have parasitized? could she not have parasitized? could we not have parasitized? could you not have parasitized? could they not have parasitized?	could I not have been parasitizing? could you not have been parasitizing? could she not have been parasitizing? could we not have been parasitizing? could you not have been parasitizing? could they not have been parasitizing?