Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could coproducer you could coproducer he could coproducer we could coproducer you could coproducer they could coproducer
V-ing form
I could be coproducering you could be coproducering he could be coproducering we could be coproducering you could be coproducering they could be coproducering
Perfect
I could have coproducered you could have coproducered he could have coproducered we could have coproducered you could have coproducered they could have coproducered
V-ing perfect
I could have been coproducering you could have been coproducering he could have been coproducering we could have been coproducering you could have been coproducering they could have been coproducering
Negation
Simple form
I could not coproducer you could not coproducer he could not coproducer we could not coproducer you could not coproducer they could not coproducer
V-ing form
I could not be coproducering you could not be coproducering he could not be coproducering we could not be coproducering you could not be coproducering they could not be coproducering
Perfect
I could not have coproducered you could not have coproducered he could not have coproducered we could not have coproducered you could not have coproducered they could not have coproducered
V-ing perfect
I could not have been coproducering you could not have been coproducering he could not have been coproducering we could not have been coproducering you could not have been coproducering they could not have been coproducering
Interrogative form
Simple form
could I coproducer? could you coproducer? could he coproducer? could we coproducer? could you coproducer? could they coproducer?
V-ing form
could I be coproducering? could you be coproducering? could he be coproducering? could we be coproducering? could you be coproducering? could they be coproducering?
Perfect
could I have coproducered? could you have coproducered? could he have coproducered? could we have coproducered? could you have coproducered? could they have coproducered?
V-ing perfect
could I have been coproducering? could you have been coproducering? could he have been coproducering? could we have been coproducering? could you have been coproducering? could they have been coproducering?
Interro-negative form
Simple form
could I not coproducer? could you not coproducer? could he not coproducer? could we not coproducer? could you not coproducer? could they not coproducer?
V-ing form
could I not be coproducering? could you not be coproducering? could he not be coproducering? could we not be coproducering? could you not be coproducering? could they not be coproducering?
Perfect
could I not have coproducered? could you not have coproducered? could he not have coproducered? could we not have coproducered? could you not have coproducered? could they not have coproducered?
V-ing perfect
could I not have been coproducering? could you not have been coproducering? could he not have been coproducering? could we not have been coproducering? could you not have been coproducering? could they not have been coproducering?