I'd be shortchanging you'd be shortchanging she'd be shortchanging we'd be shortchanging you'd be shortchanging they'd be shortchanging
Perfect
I should've shortchanged you should've shortchanged she should've shortchanged we should've shortchanged you should've shortchanged they should've shortchanged
V-ing perfect
I should've been shortchanging you should've been shortchanging she should've been shortchanging we should've been shortchanging you should've been shortchanging they should've been shortchanging
Negation
Simple form
I shouldn't shortchange you shouldn't shortchange she shouldn't shortchange we shouldn't shortchange you shouldn't shortchange they shouldn't shortchange
V-ing form
I shouldn't be shortchanging you shouldn't be shortchanging she shouldn't be shortchanging we shouldn't be shortchanging you shouldn't be shortchanging they shouldn't be shortchanging
Perfect
I shouldn't have shortchanged you shouldn't have shortchanged she shouldn't have shortchanged we shouldn't have shortchanged you shouldn't have shortchanged they shouldn't have shortchanged
V-ing perfect
I shouldn't have been shortchanging you shouldn't have been shortchanging she shouldn't have been shortchanging we shouldn't have been shortchanging you shouldn't have been shortchanging they shouldn't have been shortchanging
Interrogative form
Simple form
should I shortchange? should you shortchange? should she shortchange? should we shortchange? should you shortchange? should they shortchange?
V-ing form
should I be shortchanging? should you be shortchanging? should she be shortchanging? should we be shortchanging? should you be shortchanging? should they be shortchanging?
Perfect
should I have shortchanged? should you have shortchanged? should she have shortchanged? should we have shortchanged? should you have shortchanged? should they have shortchanged?
V-ing perfect
should I have been shortchanging? should you have been shortchanging? should she have been shortchanging? should we have been shortchanging? should you have been shortchanging? should they have been shortchanging?
Interro-negative form
Simple form
shouldn't I shortchange? shouldn't you shortchange? shouldn't she shortchange? shouldn't we shortchange? shouldn't you shortchange? shouldn't they shortchange?
V-ing form
shouldn't I be shortchanging? shouldn't you be shortchanging? shouldn't she be shortchanging? shouldn't we be shortchanging? shouldn't you be shortchanging? shouldn't they be shortchanging?
Perfect
shouldn't I have shortchanged? shouldn't you have shortchanged? shouldn't she have shortchanged? shouldn't we have shortchanged? shouldn't you have shortchanged? shouldn't they have shortchanged?
V-ing perfect
shouldn't I have been shortchanging? shouldn't you have been shortchanging? shouldn't she have been shortchanging? shouldn't we have been shortchanging? shouldn't you have been shortchanging? shouldn't they have been shortchanging?