must coproduce
Verbo regular: coproduce - coproduced- coproduced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must coproduce
you must coproduce
he must coproduce
we must coproduce
you must coproduce
they must coproduce 	I must be coproducing
you must be coproducing
he must be coproducing
we must be coproducing
you must be coproducing
they must be coproducing	I must have coproduced
you must have coproduced
he must have coproduced
we must have coproduced
you must have coproduced
they must have coproduced	I must have been coproducing
you must have been coproducing
he must have been coproducing
we must have been coproducing
you must have been coproducing
they must have been coproducing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't coproduce
you mustn't coproduce
he mustn't coproduce
we mustn't coproduce
you mustn't coproduce
they mustn't coproduce 	I mustn't be coproducing
you mustn't be coproducing
he mustn't be coproducing
we mustn't be coproducing
you mustn't be coproducing
they mustn't be coproducing	I mustn't have coproduced
you mustn't have coproduced
he mustn't have coproduced
we mustn't have coproduced
you mustn't have coproduced
they mustn't have coproduced	I mustn't have been coproducing
you mustn't have been coproducing
he mustn't have been coproducing
we mustn't have been coproducing
you mustn't have been coproducing
they mustn't have been coproducing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I coproduce?
must you coproduce?
must he coproduce?
must we coproduce?
must you coproduce?
must they coproduce? 	must I be coproducing?
must you be coproducing?
must he be coproducing?
must we be coproducing?
must you be coproducing?
must they be coproducing? 	must I have coproduced?
must you have coproduced?
must he have coproduced?
must we have coproduced?
must you have coproduced?
must they have coproduced? 	must I have been coproducing?
must you have been coproducing?
must he have been coproducing?
must we have been coproducing?
must you have been coproducing?
must they have been coproducing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I coproduce?
mustn't you coproduce?
mustn't he coproduce?
mustn't we coproduce?
mustn't you coproduce?
mustn't they coproduce? 	mustn't I be coproducing?
mustn't you be coproducing?
mustn't he be coproducing?
mustn't we be coproducing?
mustn't you be coproducing?
mustn't they be coproducing? 	mustn't I have coproduced?
mustn't you have coproduced?
mustn't he have coproduced?
mustn't we have coproduced?
mustn't you have coproduced?
mustn't they have coproduced? 	mustn't I have been coproducing?
mustn't you have been coproducing?
mustn't he have been coproducing?
mustn't we have been coproducing?
mustn't you have been coproducing?
mustn't they have been coproducing?