should sorrow
Regular verb: sorrow - sorrowed- sorrowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd sorrow
you'd sorrow
he'd sorrow
we'd sorrow
you'd sorrow
they'd sorrow 	I'd be sorrowing
you'd be sorrowing
he'd be sorrowing
we'd be sorrowing
you'd be sorrowing
they'd be sorrowing	I should've sorrowed
you should've sorrowed
he should've sorrowed
we should've sorrowed
you should've sorrowed
they should've sorrowed	I should've been sorrowing
you should've been sorrowing
he should've been sorrowing
we should've been sorrowing
you should've been sorrowing
they should've been sorrowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't sorrow
you shouldn't sorrow
he shouldn't sorrow
we shouldn't sorrow
you shouldn't sorrow
they shouldn't sorrow 	I shouldn't be sorrowing
you shouldn't be sorrowing
he shouldn't be sorrowing
we shouldn't be sorrowing
you shouldn't be sorrowing
they shouldn't be sorrowing	I shouldn't have sorrowed
you shouldn't have sorrowed
he shouldn't have sorrowed
we shouldn't have sorrowed
you shouldn't have sorrowed
they shouldn't have sorrowed	I shouldn't have been sorrowing
you shouldn't have been sorrowing
he shouldn't have been sorrowing
we shouldn't have been sorrowing
you shouldn't have been sorrowing
they shouldn't have been sorrowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I sorrow?
should you sorrow?
should he sorrow?
should we sorrow?
should you sorrow?
should they sorrow? 	should I be sorrowing?
should you be sorrowing?
should he be sorrowing?
should we be sorrowing?
should you be sorrowing?
should they be sorrowing? 	should I have sorrowed?
should you have sorrowed?
should he have sorrowed?
should we have sorrowed?
should you have sorrowed?
should they have sorrowed? 	should I have been sorrowing?
should you have been sorrowing?
should he have been sorrowing?
should we have been sorrowing?
should you have been sorrowing?
should they have been sorrowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I sorrow?
shouldn't you sorrow?
shouldn't he sorrow?
shouldn't we sorrow?
shouldn't you sorrow?
shouldn't they sorrow? 	shouldn't I be sorrowing?
shouldn't you be sorrowing?
shouldn't he be sorrowing?
shouldn't we be sorrowing?
shouldn't you be sorrowing?
shouldn't they be sorrowing? 	shouldn't I have sorrowed?
shouldn't you have sorrowed?
shouldn't he have sorrowed?
shouldn't we have sorrowed?
shouldn't you have sorrowed?
shouldn't they have sorrowed? 	shouldn't I have been sorrowing?
shouldn't you have been sorrowing?
shouldn't he have been sorrowing?
shouldn't we have been sorrowing?
shouldn't you have been sorrowing?
shouldn't they have been sorrowing?