English verb conjugation
COULD OVERPRODUCE

Regular verb: overproduce - overproduced - overproduced

Affirmation

Simple form	V-ing form
I could overproduce you could overproduce he could overproduce we could overproduce you could overproduce they could overproduce	I could be overproducing you could be overproducing he could be overproducing we could be overproducing you could be overproducing they could be overproducing
Perfect	V-ing perfect
I could have overproduced you could have overproduced he could have overproduced we could have overproduced you could have overproduced they could have overproduced	I could have been overproducing you could have been overproducing he could have been overproducing we could have been overproducing you could have been overproducing they could have been overproducing

Negation

Simple form	V-ing form
I could not overproduce you could not overproduce he could not overproduce we could not overproduce you could not overproduce they could not overproduce	I could not be overproducing you could not be overproducing he could not be overproducing we could not be overproducing you could not be overproducing they could not be overproducing
Perfect	V-ing perfect
I could not have overproduced you could not have overproduced he could not have overproduced we could not have overproduced you could not have overproduced they could not have overproduced	I could not have been overproducing you could not have been overproducing he could not have been overproducing we could not have been overproducing you could not have been overproducing they could not have been overproducing

Interrogative form

Simple form	V-ing form
could I overproduce? could you overproduce? could he overproduce? could we overproduce? could you overproduce? could they overproduce?	could I be overproducing? could you be overproducing? could he be overproducing? could we be overproducing? could you be overproducing? could they be overproducing?
Perfect	V-ing perfect
could I have overproduced? could you have overproduced? could he have overproduced? could we have overproduced? could you have overproduced? could they have overproduced?	could I have been overproducing? could you have been overproducing? could he have been overproducing? could we have been overproducing? could you have been overproducing? could they have been overproducing?

Interro-negative form

Simple form	V-ing form
could I not overproduce? could you not overproduce? could he not overproduce? could we not overproduce? could you not overproduce? could they not overproduce?	could I not be overproducing? could you not be overproducing? could he not be overproducing? could we not be overproducing? could you not be overproducing? could they not be overproducing?
Perfect	V-ing perfect
could I not have overproduced? could you not have overproduced? could he not have overproduced? could we not have overproduced? could you not have overproduced? could they not have overproduced?	could I not have been overproducing? could you not have been overproducing? could he not have been overproducing? could we not have been overproducing? could you not have been overproducing? could they not have been overproducing?