English verb conjugation
COULD COPOLYMERIZE

Regular verb: copolymerize - copolymerized - copolymerized

Affirmation

Simple form	V-ing form
I could copolymerize you could copolymerize he could copolymerize we could copolymerize you could copolymerize they could copolymerize	I could be copolymerizing you could be copolymerizing he could be copolymerizing we could be copolymerizing you could be copolymerizing they could be copolymerizing
Perfect	V-ing perfect
I could have copolymerized you could have copolymerized he could have copolymerized we could have copolymerized you could have copolymerized they could have copolymerized	I could have been copolymerizing you could have been copolymerizing he could have been copolymerizing we could have been copolymerizing you could have been copolymerizing they could have been copolymerizing

Negation

Simple form	V-ing form
I couldn't copolymerize you couldn't copolymerize he couldn't copolymerize we couldn't copolymerize you couldn't copolymerize they couldn't copolymerize	I couldn't be copolymerizing you couldn't be copolymerizing he couldn't be copolymerizing we couldn't be copolymerizing you couldn't be copolymerizing they couldn't be copolymerizing
Perfect	V-ing perfect
I couldn't have copolymerized you couldn't have copolymerized he couldn't have copolymerized we couldn't have copolymerized you couldn't have copolymerized they couldn't have copolymerized	I couldn't have been copolymerizing you couldn't have been copolymerizing he couldn't have been copolymerizing we couldn't have been copolymerizing you couldn't have been copolymerizing they couldn't have been copolymerizing

Interrogative form

Simple form	V-ing form
could I copolymerize? could you copolymerize? could he copolymerize? could we copolymerize? could you copolymerize? could they copolymerize?	could I be copolymerizing? could you be copolymerizing? could he be copolymerizing? could we be copolymerizing? could you be copolymerizing? could they be copolymerizing?
Perfect	V-ing perfect
could I have copolymerized? could you have copolymerized? could he have copolymerized? could we have copolymerized? could you have copolymerized? could they have copolymerized?	could I have been copolymerizing? could you have been copolymerizing? could he have been copolymerizing? could we have been copolymerizing? could you have been copolymerizing? could they have been copolymerizing?

Interro-negative form

Simple form	V-ing form
couldn't I copolymerize? couldn't you copolymerize? couldn't he copolymerize? couldn't we copolymerize? couldn't you copolymerize? couldn't they copolymerize?	couldn't I be copolymerizing? couldn't you be copolymerizing? couldn't he be copolymerizing? couldn't we be copolymerizing? couldn't you be copolymerizing? couldn't they be copolymerizing?
Perfect	V-ing perfect
couldn't I have copolymerized? couldn't you have copolymerized? couldn't he have copolymerized? couldn't we have copolymerized? couldn't you have copolymerized? couldn't they have copolymerized?	couldn't I have been copolymerizing? couldn't you have been copolymerizing? couldn't he have been copolymerizing? couldn't we have been copolymerizing? couldn't you have been copolymerizing? couldn't they have been copolymerizing?