English verb conjugation
SHOULD BAR

Regular verb: bar - barred - barred

Affirmation

Simple form	V-ing form
I'd bar you'd bar he'd bar we'd bar you'd bar they'd bar	I'd be barring you'd be barring he'd be barring we'd be barring you'd be barring they'd be barring
Perfect	V-ing perfect
I should've barred you should've barred he should've barred we should've barred you should've barred they should've barred	I should've been barring you should've been barring he should've been barring we should've been barring you should've been barring they should've been barring

Negation

Simple form	V-ing form
I shouldn't bar you shouldn't bar he shouldn't bar we shouldn't bar you shouldn't bar they shouldn't bar	I shouldn't be barring you shouldn't be barring he shouldn't be barring we shouldn't be barring you shouldn't be barring they shouldn't be barring
Perfect	V-ing perfect
I shouldn't have barred you shouldn't have barred he shouldn't have barred we shouldn't have barred you shouldn't have barred they shouldn't have barred	I shouldn't have been barring you shouldn't have been barring he shouldn't have been barring we shouldn't have been barring you shouldn't have been barring they shouldn't have been barring

Interrogative form

Simple form	V-ing form
should I bar? should you bar? should he bar? should we bar? should you bar? should they bar?	should I be barring? should you be barring? should he be barring? should we be barring? should you be barring? should they be barring?
Perfect	V-ing perfect
should I have barred? should you have barred? should he have barred? should we have barred? should you have barred? should they have barred?	should I have been barring? should you have been barring? should he have been barring? should we have been barring? should you have been barring? should they have been barring?

Interro-negative form

Simple form	V-ing form
shouldn't I bar? shouldn't you bar? shouldn't he bar? shouldn't we bar? shouldn't you bar? shouldn't they bar?	shouldn't I be barring? shouldn't you be barring? shouldn't he be barring? shouldn't we be barring? shouldn't you be barring? shouldn't they be barring?
Perfect	V-ing perfect
shouldn't I have barred? shouldn't you have barred? shouldn't he have barred? shouldn't we have barred? shouldn't you have barred? shouldn't they have barred?	shouldn't I have been barring? shouldn't you have been barring? shouldn't he have been barring? shouldn't we have been barring? shouldn't you have been barring? shouldn't they have been barring?