English verb conjugation
SHOULD SCAB

Regular verb: scab - scabbed - scabbed

Affirmation

Simple form	V-ing form
I'd scab you'd scab he'd scab we'd scab you'd scab they'd scab	I'd be scabbing you'd be scabbing he'd be scabbing we'd be scabbing you'd be scabbing they'd be scabbing
Perfect	V-ing perfect
I should've scabbed you should've scabbed he should've scabbed we should've scabbed you should've scabbed they should've scabbed	I should've been scabbing you should've been scabbing he should've been scabbing we should've been scabbing you should've been scabbing they should've been scabbing

Negation

Simple form	V-ing form
I shouldn't scab you shouldn't scab he shouldn't scab we shouldn't scab you shouldn't scab they shouldn't scab	I shouldn't be scabbing you shouldn't be scabbing he shouldn't be scabbing we shouldn't be scabbing you shouldn't be scabbing they shouldn't be scabbing
Perfect	V-ing perfect
I shouldn't have scabbed you shouldn't have scabbed he shouldn't have scabbed we shouldn't have scabbed you shouldn't have scabbed they shouldn't have scabbed	I shouldn't have been scabbing you shouldn't have been scabbing he shouldn't have been scabbing we shouldn't have been scabbing you shouldn't have been scabbing they shouldn't have been scabbing

Interrogative form

Simple form	V-ing form
should I scab? should you scab? should he scab? should we scab? should you scab? should they scab?	should I be scabbing? should you be scabbing? should he be scabbing? should we be scabbing? should you be scabbing? should they be scabbing?
Perfect	V-ing perfect
should I have scabbed? should you have scabbed? should he have scabbed? should we have scabbed? should you have scabbed? should they have scabbed?	should I have been scabbing? should you have been scabbing? should he have been scabbing? should we have been scabbing? should you have been scabbing? should they have been scabbing?

Interro-negative form

Simple form	V-ing form
shouldn't I scab? shouldn't you scab? shouldn't he scab? shouldn't we scab? shouldn't you scab? shouldn't they scab?	shouldn't I be scabbing? shouldn't you be scabbing? shouldn't he be scabbing? shouldn't we be scabbing? shouldn't you be scabbing? shouldn't they be scabbing?
Perfect	V-ing perfect
shouldn't I have scabbed? shouldn't you have scabbed? shouldn't he have scabbed? shouldn't we have scabbed? shouldn't you have scabbed? shouldn't they have scabbed?	shouldn't I have been scabbing? shouldn't you have been scabbing? shouldn't he have been scabbing? shouldn't we have been scabbing? shouldn't you have been scabbing? shouldn't they have been scabbing?