English verb conjugation
SHOULD CLOSE

Regular verb: close - closed - closed

Affirmation

Simple form	V-ing form
I'd close you'd close he'd close we'd close you'd close they'd close	I'd be closing you'd be closing he'd be closing we'd be closing you'd be closing they'd be closing
Perfect	V-ing perfect
I should've closed you should've closed he should've closed we should've closed you should've closed they should've closed	I should've been closing you should've been closing he should've been closing we should've been closing you should've been closing they should've been closing

Negation

Simple form	V-ing form
I shouldn't close you shouldn't close he shouldn't close we shouldn't close you shouldn't close they shouldn't close	I shouldn't be closing you shouldn't be closing he shouldn't be closing we shouldn't be closing you shouldn't be closing they shouldn't be closing
Perfect	V-ing perfect
I shouldn't have closed you shouldn't have closed he shouldn't have closed we shouldn't have closed you shouldn't have closed they shouldn't have closed	I shouldn't have been closing you shouldn't have been closing he shouldn't have been closing we shouldn't have been closing you shouldn't have been closing they shouldn't have been closing

Interrogative form

Simple form	V-ing form
should I close? should you close? should he close? should we close? should you close? should they close?	should I be closing? should you be closing? should he be closing? should we be closing? should you be closing? should they be closing?
Perfect	V-ing perfect
should I have closed? should you have closed? should he have closed? should we have closed? should you have closed? should they have closed?	should I have been closing? should you have been closing? should he have been closing? should we have been closing? should you have been closing? should they have been closing?

Interro-negative form

Simple form	V-ing form
shouldn't I close? shouldn't you close? shouldn't he close? shouldn't we close? shouldn't you close? shouldn't they close?	shouldn't I be closing? shouldn't you be closing? shouldn't he be closing? shouldn't we be closing? shouldn't you be closing? shouldn't they be closing?
Perfect	V-ing perfect
shouldn't I have closed? shouldn't you have closed? shouldn't he have closed? shouldn't we have closed? shouldn't you have closed? shouldn't they have closed?	shouldn't I have been closing? shouldn't you have been closing? shouldn't he have been closing? shouldn't we have been closing? shouldn't you have been closing? shouldn't they have been closing?