English verb conjugation
COULD IODIZE

Regular verb: iodize - iodized - iodized

Affirmation

Simple form	V-ing form
I could iodize you could iodize she could iodize we could iodize you could iodize they could iodize	I could be iodizing you could be iodizing she could be iodizing we could be iodizing you could be iodizing they could be iodizing
Perfect	V-ing perfect
I could have iodized you could have iodized she could have iodized we could have iodized you could have iodized they could have iodized	I could have been iodizing you could have been iodizing she could have been iodizing we could have been iodizing you could have been iodizing they could have been iodizing

Negation

Simple form	V-ing form
I couldn't iodize you couldn't iodize she couldn't iodize we couldn't iodize you couldn't iodize they couldn't iodize	I couldn't be iodizing you couldn't be iodizing she couldn't be iodizing we couldn't be iodizing you couldn't be iodizing they couldn't be iodizing
Perfect	V-ing perfect
I couldn't have iodized you couldn't have iodized she couldn't have iodized we couldn't have iodized you couldn't have iodized they couldn't have iodized	I couldn't have been iodizing you couldn't have been iodizing she couldn't have been iodizing we couldn't have been iodizing you couldn't have been iodizing they couldn't have been iodizing

Interrogative form

Simple form	V-ing form
could I iodize? could you iodize? could she iodize? could we iodize? could you iodize? could they iodize?	could I be iodizing? could you be iodizing? could she be iodizing? could we be iodizing? could you be iodizing? could they be iodizing?
Perfect	V-ing perfect
could I have iodized? could you have iodized? could she have iodized? could we have iodized? could you have iodized? could they have iodized?	could I have been iodizing? could you have been iodizing? could she have been iodizing? could we have been iodizing? could you have been iodizing? could they have been iodizing?

Interro-negative form

Simple form	V-ing form
couldn't I iodize? couldn't you iodize? couldn't she iodize? couldn't we iodize? couldn't you iodize? couldn't they iodize?	couldn't I be iodizing? couldn't you be iodizing? couldn't she be iodizing? couldn't we be iodizing? couldn't you be iodizing? couldn't they be iodizing?
Perfect	V-ing perfect
couldn't I have iodized? couldn't you have iodized? couldn't she have iodized? couldn't we have iodized? couldn't you have iodized? couldn't they have iodized?	couldn't I have been iodizing? couldn't you have been iodizing? couldn't she have been iodizing? couldn't we have been iodizing? couldn't you have been iodizing? couldn't they have been iodizing?