English verb conjugation
COULD OZONIZE

Regular verb: ozonize - ozonized - ozonized

Affirmation

Simple form	V-ing form
I could ozonize you could ozonize he could ozonize we could ozonize you could ozonize they could ozonize	I could be ozonizing you could be ozonizing he could be ozonizing we could be ozonizing you could be ozonizing they could be ozonizing
Perfect	V-ing perfect
I could have ozonized you could have ozonized he could have ozonized we could have ozonized you could have ozonized they could have ozonized	I could have been ozonizing you could have been ozonizing he could have been ozonizing we could have been ozonizing you could have been ozonizing they could have been ozonizing

Negation

Simple form	V-ing form
I could not ozonize you could not ozonize he could not ozonize we could not ozonize you could not ozonize they could not ozonize	I could not be ozonizing you could not be ozonizing he could not be ozonizing we could not be ozonizing you could not be ozonizing they could not be ozonizing
Perfect	V-ing perfect
I could not have ozonized you could not have ozonized he could not have ozonized we could not have ozonized you could not have ozonized they could not have ozonized	I could not have been ozonizing you could not have been ozonizing he could not have been ozonizing we could not have been ozonizing you could not have been ozonizing they could not have been ozonizing

Interrogative form

Simple form	V-ing form
could I ozonize? could you ozonize? could he ozonize? could we ozonize? could you ozonize? could they ozonize?	could I be ozonizing? could you be ozonizing? could he be ozonizing? could we be ozonizing? could you be ozonizing? could they be ozonizing?
Perfect	V-ing perfect
could I have ozonized? could you have ozonized? could he have ozonized? could we have ozonized? could you have ozonized? could they have ozonized?	could I have been ozonizing? could you have been ozonizing? could he have been ozonizing? could we have been ozonizing? could you have been ozonizing? could they have been ozonizing?

Interro-negative form

Simple form	V-ing form
could I not ozonize? could you not ozonize? could he not ozonize? could we not ozonize? could you not ozonize? could they not ozonize?	could I not be ozonizing? could you not be ozonizing? could he not be ozonizing? could we not be ozonizing? could you not be ozonizing? could they not be ozonizing?
Perfect	V-ing perfect
could I not have ozonized? could you not have ozonized? could he not have ozonized? could we not have ozonized? could you not have ozonized? could they not have ozonized?	could I not have been ozonizing? could you not have been ozonizing? could he not have been ozonizing? could we not have been ozonizing? could you not have been ozonizing? could they not have been ozonizing?