English verb conjugation
SHOULD TABBY

Regular verb: tabby - tabbied - tabbied

Affirmation

Simple form	V-ing form
I'd tabby you'd tabby he'd tabby we'd tabby you'd tabby they'd tabby	I'd be tabbying you'd be tabbying he'd be tabbying we'd be tabbying you'd be tabbying they'd be tabbying
Perfect	V-ing perfect
I should've tabbied you should've tabbied he should've tabbied we should've tabbied you should've tabbied they should've tabbied	I should've been tabbying you should've been tabbying he should've been tabbying we should've been tabbying you should've been tabbying they should've been tabbying

Negation

Simple form	V-ing form
I shouldn't tabby you shouldn't tabby he shouldn't tabby we shouldn't tabby you shouldn't tabby they shouldn't tabby	I shouldn't be tabbying you shouldn't be tabbying he shouldn't be tabbying we shouldn't be tabbying you shouldn't be tabbying they shouldn't be tabbying
Perfect	V-ing perfect
I shouldn't have tabbied you shouldn't have tabbied he shouldn't have tabbied we shouldn't have tabbied you shouldn't have tabbied they shouldn't have tabbied	I shouldn't have been tabbying you shouldn't have been tabbying he shouldn't have been tabbying we shouldn't have been tabbying you shouldn't have been tabbying they shouldn't have been tabbying

Interrogative form

Simple form	V-ing form
should I tabby? should you tabby? should he tabby? should we tabby? should you tabby? should they tabby?	should I be tabbying? should you be tabbying? should he be tabbying? should we be tabbying? should you be tabbying? should they be tabbying?
Perfect	V-ing perfect
should I have tabbied? should you have tabbied? should he have tabbied? should we have tabbied? should you have tabbied? should they have tabbied?	should I have been tabbying? should you have been tabbying? should he have been tabbying? should we have been tabbying? should you have been tabbying? should they have been tabbying?

Interro-negative form

Simple form	V-ing form
shouldn't I tabby? shouldn't you tabby? shouldn't he tabby? shouldn't we tabby? shouldn't you tabby? shouldn't they tabby?	shouldn't I be tabbying? shouldn't you be tabbying? shouldn't he be tabbying? shouldn't we be tabbying? shouldn't you be tabbying? shouldn't they be tabbying?
Perfect	V-ing perfect
shouldn't I have tabbied? shouldn't you have tabbied? shouldn't he have tabbied? shouldn't we have tabbied? shouldn't you have tabbied? shouldn't they have tabbied?	shouldn't I have been tabbying? shouldn't you have been tabbying? shouldn't he have been tabbying? shouldn't we have been tabbying? shouldn't you have been tabbying? shouldn't they have been tabbying?