English verb conjugation
SHOULD BURR

Regular verb: burr - burred - burred

Affirmation

Simple form	V-ing form
I'd burr you'd burr she'd burr we'd burr you'd burr they'd burr	I'd be burring you'd be burring she'd be burring we'd be burring you'd be burring they'd be burring
Perfect	V-ing perfect
I should've burred you should've burred she should've burred we should've burred you should've burred they should've burred	I should've been burring you should've been burring she should've been burring we should've been burring you should've been burring they should've been burring

Negation

Simple form	V-ing form
I shouldn't burr you shouldn't burr she shouldn't burr we shouldn't burr you shouldn't burr they shouldn't burr	I shouldn't be burring you shouldn't be burring she shouldn't be burring we shouldn't be burring you shouldn't be burring they shouldn't be burring
Perfect	V-ing perfect
I shouldn't have burred you shouldn't have burred she shouldn't have burred we shouldn't have burred you shouldn't have burred they shouldn't have burred	I shouldn't have been burring you shouldn't have been burring she shouldn't have been burring we shouldn't have been burring you shouldn't have been burring they shouldn't have been burring

Interrogative form

Simple form	V-ing form
should I burr? should you burr? should she burr? should we burr? should you burr? should they burr?	should I be burring? should you be burring? should she be burring? should we be burring? should you be burring? should they be burring?
Perfect	V-ing perfect
should I have burred? should you have burred? should she have burred? should we have burred? should you have burred? should they have burred?	should I have been burring? should you have been burring? should she have been burring? should we have been burring? should you have been burring? should they have been burring?

Interro-negative form

Simple form	V-ing form
shouldn't I burr? shouldn't you burr? shouldn't she burr? shouldn't we burr? shouldn't you burr? shouldn't they burr?	shouldn't I be burring? shouldn't you be burring? shouldn't she be burring? shouldn't we be burring? shouldn't you be burring? shouldn't they be burring?
Perfect	V-ing perfect
shouldn't I have burred? shouldn't you have burred? shouldn't she have burred? shouldn't we have burred? shouldn't you have burred? shouldn't they have burred?	shouldn't I have been burring? shouldn't you have been burring? shouldn't she have been burring? shouldn't we have been burring? shouldn't you have been burring? shouldn't they have been burring?