English verb conjugation
COULD IONIZE

Regular verb: ionize - ionized - ionized

Affirmation

Simple form	V-ing form
I could ionize you could ionize he could ionize we could ionize you could ionize they could ionize	I could be ionizing you could be ionizing he could be ionizing we could be ionizing you could be ionizing they could be ionizing
Perfect	V-ing perfect
I could have ionized you could have ionized he could have ionized we could have ionized you could have ionized they could have ionized	I could have been ionizing you could have been ionizing he could have been ionizing we could have been ionizing you could have been ionizing they could have been ionizing

Negation

Simple form	V-ing form
I could not ionize you could not ionize he could not ionize we could not ionize you could not ionize they could not ionize	I could not be ionizing you could not be ionizing he could not be ionizing we could not be ionizing you could not be ionizing they could not be ionizing
Perfect	V-ing perfect
I could not have ionized you could not have ionized he could not have ionized we could not have ionized you could not have ionized they could not have ionized	I could not have been ionizing you could not have been ionizing he could not have been ionizing we could not have been ionizing you could not have been ionizing they could not have been ionizing

Interrogative form

Simple form	V-ing form
could I ionize? could you ionize? could he ionize? could we ionize? could you ionize? could they ionize?	could I be ionizing? could you be ionizing? could he be ionizing? could we be ionizing? could you be ionizing? could they be ionizing?
Perfect	V-ing perfect
could I have ionized? could you have ionized? could he have ionized? could we have ionized? could you have ionized? could they have ionized?	could I have been ionizing? could you have been ionizing? could he have been ionizing? could we have been ionizing? could you have been ionizing? could they have been ionizing?

Interro-negative form

Simple form	V-ing form
could I not ionize? could you not ionize? could he not ionize? could we not ionize? could you not ionize? could they not ionize?	could I not be ionizing? could you not be ionizing? could he not be ionizing? could we not be ionizing? could you not be ionizing? could they not be ionizing?
Perfect	V-ing perfect
could I not have ionized? could you not have ionized? could he not have ionized? could we not have ionized? could you not have ionized? could they not have ionized?	could I not have been ionizing? could you not have been ionizing? could he not have been ionizing? could we not have been ionizing? could you not have been ionizing? could they not have been ionizing?