English verb conjugation
SHOULD DUPE

Regular verb: dupe - duped - duped

Affirmation

Simple form	V-ing form
I'd dupe you'd dupe she'd dupe we'd dupe you'd dupe they'd dupe	I'd be duping you'd be duping she'd be duping we'd be duping you'd be duping they'd be duping
Perfect	V-ing perfect
I should've duped you should've duped she should've duped we should've duped you should've duped they should've duped	I should've been duping you should've been duping she should've been duping we should've been duping you should've been duping they should've been duping

Negation

Simple form	V-ing form
I shouldn't dupe you shouldn't dupe she shouldn't dupe we shouldn't dupe you shouldn't dupe they shouldn't dupe	I shouldn't be duping you shouldn't be duping she shouldn't be duping we shouldn't be duping you shouldn't be duping they shouldn't be duping
Perfect	V-ing perfect
I shouldn't have duped you shouldn't have duped she shouldn't have duped we shouldn't have duped you shouldn't have duped they shouldn't have duped	I shouldn't have been duping you shouldn't have been duping she shouldn't have been duping we shouldn't have been duping you shouldn't have been duping they shouldn't have been duping

Interrogative form

Simple form	V-ing form
should I dupe? should you dupe? should she dupe? should we dupe? should you dupe? should they dupe?	should I be duping? should you be duping? should she be duping? should we be duping? should you be duping? should they be duping?
Perfect	V-ing perfect
should I have duped? should you have duped? should she have duped? should we have duped? should you have duped? should they have duped?	should I have been duping? should you have been duping? should she have been duping? should we have been duping? should you have been duping? should they have been duping?

Interro-negative form

Simple form	V-ing form
shouldn't I dupe? shouldn't you dupe? shouldn't she dupe? shouldn't we dupe? shouldn't you dupe? shouldn't they dupe?	shouldn't I be duping? shouldn't you be duping? shouldn't she be duping? shouldn't we be duping? shouldn't you be duping? shouldn't they be duping?
Perfect	V-ing perfect
shouldn't I have duped? shouldn't you have duped? shouldn't she have duped? shouldn't we have duped? shouldn't you have duped? shouldn't they have duped?	shouldn't I have been duping? shouldn't you have been duping? shouldn't she have been duping? shouldn't we have been duping? shouldn't you have been duping? shouldn't they have been duping?