English verb conjugation
SHOULD LOOP

Regular verb: loop - looped - looped

Affirmation

Simple form	V-ing form
I'd loop you'd loop he'd loop we'd loop you'd loop they'd loop	I'd be looping you'd be looping he'd be looping we'd be looping you'd be looping they'd be looping
Perfect	V-ing perfect
I should've looped you should've looped he should've looped we should've looped you should've looped they should've looped	I should've been looping you should've been looping he should've been looping we should've been looping you should've been looping they should've been looping

Negation

Simple form	V-ing form
I shouldn't loop you shouldn't loop he shouldn't loop we shouldn't loop you shouldn't loop they shouldn't loop	I shouldn't be looping you shouldn't be looping he shouldn't be looping we shouldn't be looping you shouldn't be looping they shouldn't be looping
Perfect	V-ing perfect
I shouldn't have looped you shouldn't have looped he shouldn't have looped we shouldn't have looped you shouldn't have looped they shouldn't have looped	I shouldn't have been looping you shouldn't have been looping he shouldn't have been looping we shouldn't have been looping you shouldn't have been looping they shouldn't have been looping

Interrogative form

Simple form	V-ing form
should I loop? should you loop? should he loop? should we loop? should you loop? should they loop?	should I be looping? should you be looping? should he be looping? should we be looping? should you be looping? should they be looping?
Perfect	V-ing perfect
should I have looped? should you have looped? should he have looped? should we have looped? should you have looped? should they have looped?	should I have been looping? should you have been looping? should he have been looping? should we have been looping? should you have been looping? should they have been looping?

Interro-negative form

Simple form	V-ing form
shouldn't I loop? shouldn't you loop? shouldn't he loop? shouldn't we loop? shouldn't you loop? shouldn't they loop?	shouldn't I be looping? shouldn't you be looping? shouldn't he be looping? shouldn't we be looping? shouldn't you be looping? shouldn't they be looping?
Perfect	V-ing perfect
shouldn't I have looped? shouldn't you have looped? shouldn't he have looped? shouldn't we have looped? shouldn't you have looped? shouldn't they have looped?	shouldn't I have been looping? shouldn't you have been looping? shouldn't he have been looping? shouldn't we have been looping? shouldn't you have been looping? shouldn't they have been looping?