should sium
Regular verb: sium - siumed- siumed

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