should tabby
Regular verb: tabby - tabbied- tabbied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?