English verb conjugation
SHOULD BUFF

Regular verb: buff - buffed - buffed

Affirmation

Simple form	V-ing form
I'd buff you'd buff he'd buff we'd buff you'd buff they'd buff	I'd be buffing you'd be buffing he'd be buffing we'd be buffing you'd be buffing they'd be buffing
Perfect	V-ing perfect
I should've buffed you should've buffed he should've buffed we should've buffed you should've buffed they should've buffed	I should've been buffing you should've been buffing he should've been buffing we should've been buffing you should've been buffing they should've been buffing

Negation

Simple form	V-ing form
I shouldn't buff you shouldn't buff he shouldn't buff we shouldn't buff you shouldn't buff they shouldn't buff	I shouldn't be buffing you shouldn't be buffing he shouldn't be buffing we shouldn't be buffing you shouldn't be buffing they shouldn't be buffing
Perfect	V-ing perfect
I shouldn't have buffed you shouldn't have buffed he shouldn't have buffed we shouldn't have buffed you shouldn't have buffed they shouldn't have buffed	I shouldn't have been buffing you shouldn't have been buffing he shouldn't have been buffing we shouldn't have been buffing you shouldn't have been buffing they shouldn't have been buffing

Interrogative form

Simple form	V-ing form
should I buff? should you buff? should he buff? should we buff? should you buff? should they buff?	should I be buffing? should you be buffing? should he be buffing? should we be buffing? should you be buffing? should they be buffing?
Perfect	V-ing perfect
should I have buffed? should you have buffed? should he have buffed? should we have buffed? should you have buffed? should they have buffed?	should I have been buffing? should you have been buffing? should he have been buffing? should we have been buffing? should you have been buffing? should they have been buffing?

Interro-negative form

Simple form	V-ing form
shouldn't I buff? shouldn't you buff? shouldn't he buff? shouldn't we buff? shouldn't you buff? shouldn't they buff?	shouldn't I be buffing? shouldn't you be buffing? shouldn't he be buffing? shouldn't we be buffing? shouldn't you be buffing? shouldn't they be buffing?
Perfect	V-ing perfect
shouldn't I have buffed? shouldn't you have buffed? shouldn't he have buffed? shouldn't we have buffed? shouldn't you have buffed? shouldn't they have buffed?	shouldn't I have been buffing? shouldn't you have been buffing? shouldn't he have been buffing? shouldn't we have been buffing? shouldn't you have been buffing? shouldn't they have been buffing?