English verb conjugation
SHOULD UNDERPRODUCE

Regular verb: underproduce - underproduced - underproduced

Affirmation

Simple form	V-ing form
I'd underproduce you'd underproduce he'd underproduce we'd underproduce you'd underproduce they'd underproduce	I'd be underproducing you'd be underproducing he'd be underproducing we'd be underproducing you'd be underproducing they'd be underproducing
Perfect	V-ing perfect
I should've underproduced you should've underproduced he should've underproduced we should've underproduced you should've underproduced they should've underproduced	I should've been underproducing you should've been underproducing he should've been underproducing we should've been underproducing you should've been underproducing they should've been underproducing

Negation

Simple form	V-ing form
I shouldn't underproduce you shouldn't underproduce he shouldn't underproduce we shouldn't underproduce you shouldn't underproduce they shouldn't underproduce	I shouldn't be underproducing you shouldn't be underproducing he shouldn't be underproducing we shouldn't be underproducing you shouldn't be underproducing they shouldn't be underproducing
Perfect	V-ing perfect
I shouldn't have underproduced you shouldn't have underproduced he shouldn't have underproduced we shouldn't have underproduced you shouldn't have underproduced they shouldn't have underproduced	I shouldn't have been underproducing you shouldn't have been underproducing he shouldn't have been underproducing we shouldn't have been underproducing you shouldn't have been underproducing they shouldn't have been underproducing

Interrogative form

Simple form	V-ing form
should I underproduce? should you underproduce? should he underproduce? should we underproduce? should you underproduce? should they underproduce?	should I be underproducing? should you be underproducing? should he be underproducing? should we be underproducing? should you be underproducing? should they be underproducing?
Perfect	V-ing perfect
should I have underproduced? should you have underproduced? should he have underproduced? should we have underproduced? should you have underproduced? should they have underproduced?	should I have been underproducing? should you have been underproducing? should he have been underproducing? should we have been underproducing? should you have been underproducing? should they have been underproducing?

Interro-negative form

Simple form	V-ing form
shouldn't I underproduce? shouldn't you underproduce? shouldn't he underproduce? shouldn't we underproduce? shouldn't you underproduce? shouldn't they underproduce?	shouldn't I be underproducing? shouldn't you be underproducing? shouldn't he be underproducing? shouldn't we be underproducing? shouldn't you be underproducing? shouldn't they be underproducing?
Perfect	V-ing perfect
shouldn't I have underproduced? shouldn't you have underproduced? shouldn't he have underproduced? shouldn't we have underproduced? shouldn't you have underproduced? shouldn't they have underproduced?	shouldn't I have been underproducing? shouldn't you have been underproducing? shouldn't he have been underproducing? shouldn't we have been underproducing? shouldn't you have been underproducing? shouldn't they have been underproducing?