English verb conjugation
SHOULD FLUB

Regular verb: flub - flubed - flubed

Affirmation

Simple form	V-ing form
I'd flub you'd flub he'd flub we'd flub you'd flub they'd flub	I'd be flubing you'd be flubing he'd be flubing we'd be flubing you'd be flubing they'd be flubing
Perfect	V-ing perfect
I should've flubed you should've flubed he should've flubed we should've flubed you should've flubed they should've flubed	I should've been flubing you should've been flubing he should've been flubing we should've been flubing you should've been flubing they should've been flubing

Negation

Simple form	V-ing form
I shouldn't flub you shouldn't flub he shouldn't flub we shouldn't flub you shouldn't flub they shouldn't flub	I shouldn't be flubing you shouldn't be flubing he shouldn't be flubing we shouldn't be flubing you shouldn't be flubing they shouldn't be flubing
Perfect	V-ing perfect
I shouldn't have flubed you shouldn't have flubed he shouldn't have flubed we shouldn't have flubed you shouldn't have flubed they shouldn't have flubed	I shouldn't have been flubing you shouldn't have been flubing he shouldn't have been flubing we shouldn't have been flubing you shouldn't have been flubing they shouldn't have been flubing

Interrogative form

Simple form	V-ing form
should I flub? should you flub? should he flub? should we flub? should you flub? should they flub?	should I be flubing? should you be flubing? should he be flubing? should we be flubing? should you be flubing? should they be flubing?
Perfect	V-ing perfect
should I have flubed? should you have flubed? should he have flubed? should we have flubed? should you have flubed? should they have flubed?	should I have been flubing? should you have been flubing? should he have been flubing? should we have been flubing? should you have been flubing? should they have been flubing?

Interro-negative form

Simple form	V-ing form
shouldn't I flub? shouldn't you flub? shouldn't he flub? shouldn't we flub? shouldn't you flub? shouldn't they flub?	shouldn't I be flubing? shouldn't you be flubing? shouldn't he be flubing? shouldn't we be flubing? shouldn't you be flubing? shouldn't they be flubing?
Perfect	V-ing perfect
shouldn't I have flubed? shouldn't you have flubed? shouldn't he have flubed? shouldn't we have flubed? shouldn't you have flubed? shouldn't they have flubed?	shouldn't I have been flubing? shouldn't you have been flubing? shouldn't he have been flubing? shouldn't we have been flubing? shouldn't you have been flubing? shouldn't they have been flubing?