can coproduce
Regular verb: coproduce - coproduced- coproduced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can coproduce
you can coproduce
she can coproduce
we can coproduce
you can coproduce
they can coproduce 	I can be coproducing
you can be coproducing
she can be coproducing
we can be coproducing
you can be coproducing
they can be coproducing	I can have coproduced
you can have coproduced
she can have coproduced
we can have coproduced
you can have coproduced
they can have coproduced	I can have been coproducing
you can have been coproducing
she can have been coproducing
we can have been coproducing
you can have been coproducing
they can have been coproducing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot coproduce
you cannot coproduce
she cannot coproduce
we cannot coproduce
you cannot coproduce
they cannot coproduce 	I cannot be coproducing
you cannot be coproducing
she cannot be coproducing
we cannot be coproducing
you cannot be coproducing
they cannot be coproducing	I cannot have coproduced
you cannot have coproduced
she cannot have coproduced
we cannot have coproduced
you cannot have coproduced
they cannot have coproduced	I cannot have been coproducing
you cannot have been coproducing
she cannot have been coproducing
we cannot have been coproducing
you cannot have been coproducing
they cannot have been coproducing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I coproduce?
can you coproduce?
can she coproduce?
can we coproduce?
can you coproduce?
can they coproduce? 	can I be coproducing?
can you be coproducing?
can she be coproducing?
can we be coproducing?
can you be coproducing?
can they be coproducing? 	can I have coproduced?
can you have coproduced?
can she have coproduced?
can we have coproduced?
can you have coproduced?
can they have coproduced? 	can I have been coproducing?
can you have been coproducing?
can she have been coproducing?
can we have been coproducing?
can you have been coproducing?
can they have been coproducing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not coproduce?
can you not coproduce?
can she not coproduce?
can we not coproduce?
can you not coproduce?
can they not coproduce? 	can I not be coproducing?
can you not be coproducing?
can she not be coproducing?
can we not be coproducing?
can you not be coproducing?
can they not be coproducing? 	can I not have coproduced?
can you not have coproduced?
can she not have coproduced?
can we not have coproduced?
can you not have coproduced?
can they not have coproduced? 	can I not have been coproducing?
can you not have been coproducing?
can she not have been coproducing?
can we not have been coproducing?
can you not have been coproducing?
can they not have been coproducing?