English verb conjugation
SHOULD CONFAB

Regular verb: confab - confabed - confabed

Affirmation

Simple form	V-ing form
I'd confab you'd confab he'd confab we'd confab you'd confab they'd confab	I'd be confabing you'd be confabing he'd be confabing we'd be confabing you'd be confabing they'd be confabing
Perfect	V-ing perfect
I should've confabed you should've confabed he should've confabed we should've confabed you should've confabed they should've confabed	I should've been confabing you should've been confabing he should've been confabing we should've been confabing you should've been confabing they should've been confabing

Negation

Simple form	V-ing form
I shouldn't confab you shouldn't confab he shouldn't confab we shouldn't confab you shouldn't confab they shouldn't confab	I shouldn't be confabing you shouldn't be confabing he shouldn't be confabing we shouldn't be confabing you shouldn't be confabing they shouldn't be confabing
Perfect	V-ing perfect
I shouldn't have confabed you shouldn't have confabed he shouldn't have confabed we shouldn't have confabed you shouldn't have confabed they shouldn't have confabed	I shouldn't have been confabing you shouldn't have been confabing he shouldn't have been confabing we shouldn't have been confabing you shouldn't have been confabing they shouldn't have been confabing

Interrogative form

Simple form	V-ing form
should I confab? should you confab? should he confab? should we confab? should you confab? should they confab?	should I be confabing? should you be confabing? should he be confabing? should we be confabing? should you be confabing? should they be confabing?
Perfect	V-ing perfect
should I have confabed? should you have confabed? should he have confabed? should we have confabed? should you have confabed? should they have confabed?	should I have been confabing? should you have been confabing? should he have been confabing? should we have been confabing? should you have been confabing? should they have been confabing?

Interro-negative form

Simple form	V-ing form
shouldn't I confab? shouldn't you confab? shouldn't he confab? shouldn't we confab? shouldn't you confab? shouldn't they confab?	shouldn't I be confabing? shouldn't you be confabing? shouldn't he be confabing? shouldn't we be confabing? shouldn't you be confabing? shouldn't they be confabing?
Perfect	V-ing perfect
shouldn't I have confabed? shouldn't you have confabed? shouldn't he have confabed? shouldn't we have confabed? shouldn't you have confabed? shouldn't they have confabed?	shouldn't I have been confabing? shouldn't you have been confabing? shouldn't he have been confabing? shouldn't we have been confabing? shouldn't you have been confabing? shouldn't they have been confabing?