English verb conjugation
SHOULD SIUM

Regular verb: sium - siumed - siumed

Affirmation

Simple form	V-ing form
I'd sium you'd sium he'd sium we'd sium you'd sium they'd sium	I'd be siuming you'd be siuming he'd be siuming we'd be siuming you'd be siuming they'd be siuming
Perfect	V-ing perfect
I should've siumed you should've siumed he should've siumed we should've siumed you should've siumed they should've siumed	I should've been siuming you should've been siuming he should've been siuming we should've been siuming you should've been siuming they should've been siuming

Negation

Simple form	V-ing form
I shouldn't sium you shouldn't sium he shouldn't sium we shouldn't sium you shouldn't sium they shouldn't sium	I shouldn't be siuming you shouldn't be siuming he shouldn't be siuming we shouldn't be siuming you shouldn't be siuming they shouldn't be siuming
Perfect	V-ing perfect
I shouldn't have siumed you shouldn't have siumed he shouldn't have siumed we shouldn't have siumed you shouldn't have siumed they shouldn't have siumed	I shouldn't have been siuming you shouldn't have been siuming he shouldn't have been siuming we shouldn't have been siuming you shouldn't have been siuming they shouldn't have been siuming

Interrogative form

Simple form	V-ing form
should I sium? should you sium? should he sium? should we sium? should you sium? should they sium?	should I be siuming? should you be siuming? should he be siuming? should we be siuming? should you be siuming? should they be siuming?
Perfect	V-ing perfect
should I have siumed? should you have siumed? should he have siumed? should we have siumed? should you have siumed? should they have siumed?	should I have been siuming? should you have been siuming? should he have been siuming? should we have been siuming? should you have been siuming? should they have been siuming?

Interro-negative form

Simple form	V-ing form
shouldn't I sium? shouldn't you sium? shouldn't he sium? shouldn't we sium? shouldn't you sium? shouldn't they sium?	shouldn't I be siuming? shouldn't you be siuming? shouldn't he be siuming? shouldn't we be siuming? shouldn't you be siuming? shouldn't they be siuming?
Perfect	V-ing perfect
shouldn't I have siumed? shouldn't you have siumed? shouldn't he have siumed? shouldn't we have siumed? shouldn't you have siumed? shouldn't they have siumed?	shouldn't I have been siuming? shouldn't you have been siuming? shouldn't he have been siuming? shouldn't we have been siuming? shouldn't you have been siuming? shouldn't they have been siuming?