I can coproduce you can coproduce he can coproduce we can coproduce you can coproduce they can coproduce
V-ing form
I can be coproducing you can be coproducing he can be coproducing we can be coproducing you can be coproducing they can be coproducing
Perfect
I can have coproduced you can have coproduced he can have coproduced we can have coproduced you can have coproduced they can have coproduced
V-ing perfect
I can have been coproducing you can have been coproducing he can have been coproducing we can have been coproducing you can have been coproducing they can have been coproducing
Negation
Simple form
I can't coproduce you can't coproduce he can't coproduce we can't coproduce you can't coproduce they can't coproduce
V-ing form
I can't be coproducing you can't be coproducing he can't be coproducing we can't be coproducing you can't be coproducing they can't be coproducing
Perfect
I can't have coproduced you can't have coproduced he can't have coproduced we can't have coproduced you can't have coproduced they can't have coproduced
V-ing perfect
I can't have been coproducing you can't have been coproducing he can't have been coproducing we can't have been coproducing you can't have been coproducing they can't have been coproducing
Interrogative form
Simple form
can I coproduce? can you coproduce? can he coproduce? can we coproduce? can you coproduce? can they coproduce?
V-ing form
can I be coproducing? can you be coproducing? can he be coproducing? can we be coproducing? can you be coproducing? can they be coproducing?
Perfect
can I have coproduced? can you have coproduced? can he have coproduced? can we have coproduced? can you have coproduced? can they have coproduced?
V-ing perfect
can I have been coproducing? can you have been coproducing? can he have been coproducing? can we have been coproducing? can you have been coproducing? can they have been coproducing?
Interro-negative form
Simple form
can't I coproduce? can't you coproduce? can't he coproduce? can't we coproduce? can't you coproduce? can't they coproduce?
V-ing form
can't I be coproducing? can't you be coproducing? can't he be coproducing? can't we be coproducing? can't you be coproducing? can't they be coproducing?
Perfect
can't I have coproduced? can't you have coproduced? can't he have coproduced? can't we have coproduced? can't you have coproduced? can't they have coproduced?
V-ing perfect
can't I have been coproducing? can't you have been coproducing? can't he have been coproducing? can't we have been coproducing? can't you have been coproducing? can't they have been coproducing?