English verb conjugation
SHOULD PAPER

Regular verb: paper - papered - papered

Affirmation

Simple form	V-ing form
I'd paper you'd paper he'd paper we'd paper you'd paper they'd paper	I'd be papering you'd be papering he'd be papering we'd be papering you'd be papering they'd be papering
Perfect	V-ing perfect
I should've papered you should've papered he should've papered we should've papered you should've papered they should've papered	I should've been papering you should've been papering he should've been papering we should've been papering you should've been papering they should've been papering

Negation

Simple form	V-ing form
I shouldn't paper you shouldn't paper he shouldn't paper we shouldn't paper you shouldn't paper they shouldn't paper	I shouldn't be papering you shouldn't be papering he shouldn't be papering we shouldn't be papering you shouldn't be papering they shouldn't be papering
Perfect	V-ing perfect
I shouldn't have papered you shouldn't have papered he shouldn't have papered we shouldn't have papered you shouldn't have papered they shouldn't have papered	I shouldn't have been papering you shouldn't have been papering he shouldn't have been papering we shouldn't have been papering you shouldn't have been papering they shouldn't have been papering

Interrogative form

Simple form	V-ing form
should I paper? should you paper? should he paper? should we paper? should you paper? should they paper?	should I be papering? should you be papering? should he be papering? should we be papering? should you be papering? should they be papering?
Perfect	V-ing perfect
should I have papered? should you have papered? should he have papered? should we have papered? should you have papered? should they have papered?	should I have been papering? should you have been papering? should he have been papering? should we have been papering? should you have been papering? should they have been papering?

Interro-negative form

Simple form	V-ing form
shouldn't I paper? shouldn't you paper? shouldn't he paper? shouldn't we paper? shouldn't you paper? shouldn't they paper?	shouldn't I be papering? shouldn't you be papering? shouldn't he be papering? shouldn't we be papering? shouldn't you be papering? shouldn't they be papering?
Perfect	V-ing perfect
shouldn't I have papered? shouldn't you have papered? shouldn't he have papered? shouldn't we have papered? shouldn't you have papered? shouldn't they have papered?	shouldn't I have been papering? shouldn't you have been papering? shouldn't he have been papering? shouldn't we have been papering? shouldn't you have been papering? shouldn't they have been papering?