English verb conjugation
COULD PARASITIZE

Regular verb: parasitize - parasitized - parasitized

Affirmation

Simple form	V-ing form
I could parasitize you could parasitize he could parasitize we could parasitize you could parasitize they could parasitize	I could be parasitizing you could be parasitizing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he parasitize? could we parasitize? could you parasitize? could they parasitize?	could I be parasitizing? could you be parasitizing? could he 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 he 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 he 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 he 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 he 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 he 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 he not have been parasitizing? could we not have been parasitizing? could you not have been parasitizing? could they not have been parasitizing?