English verb conjugation
COULD RUBBERIZE

Regular verb: rubberize - rubberized - rubberized

Affirmation

Simple form	V-ing form
I could rubberize you could rubberize he could rubberize we could rubberize you could rubberize they could rubberize	I could be rubberizing you could be rubberizing he could be rubberizing we could be rubberizing you could be rubberizing they could be rubberizing
Perfect	V-ing perfect
I could have rubberized you could have rubberized he could have rubberized we could have rubberized you could have rubberized they could have rubberized	I could have been rubberizing you could have been rubberizing he could have been rubberizing we could have been rubberizing you could have been rubberizing they could have been rubberizing

Negation

Simple form	V-ing form
I could not rubberize you could not rubberize he could not rubberize we could not rubberize you could not rubberize they could not rubberize	I could not be rubberizing you could not be rubberizing he could not be rubberizing we could not be rubberizing you could not be rubberizing they could not be rubberizing
Perfect	V-ing perfect
I could not have rubberized you could not have rubberized he could not have rubberized we could not have rubberized you could not have rubberized they could not have rubberized	I could not have been rubberizing you could not have been rubberizing he could not have been rubberizing we could not have been rubberizing you could not have been rubberizing they could not have been rubberizing

Interrogative form

Simple form	V-ing form
could I rubberize? could you rubberize? could he rubberize? could we rubberize? could you rubberize? could they rubberize?	could I be rubberizing? could you be rubberizing? could he be rubberizing? could we be rubberizing? could you be rubberizing? could they be rubberizing?
Perfect	V-ing perfect
could I have rubberized? could you have rubberized? could he have rubberized? could we have rubberized? could you have rubberized? could they have rubberized?	could I have been rubberizing? could you have been rubberizing? could he have been rubberizing? could we have been rubberizing? could you have been rubberizing? could they have been rubberizing?

Interro-negative form

Simple form	V-ing form
could I not rubberize? could you not rubberize? could he not rubberize? could we not rubberize? could you not rubberize? could they not rubberize?	could I not be rubberizing? could you not be rubberizing? could he not be rubberizing? could we not be rubberizing? could you not be rubberizing? could they not be rubberizing?
Perfect	V-ing perfect
could I not have rubberized? could you not have rubberized? could he not have rubberized? could we not have rubberized? could you not have rubberized? could they not have rubberized?	could I not have been rubberizing? could you not have been rubberizing? could he not have been rubberizing? could we not have been rubberizing? could you not have been rubberizing? could they not have been rubberizing?