I'd be leaving you'd be leaving he'd be leaving we'd be leaving you'd be leaving they'd be leaving
Perfect
I should've left you should've left he should've left we should've left you should've left they should've left
V-ing perfect
I should've been leaving you should've been leaving he should've been leaving we should've been leaving you should've been leaving they should've been leaving
Negation
Simple form
I shouldn't leave you shouldn't leave he shouldn't leave we shouldn't leave you shouldn't leave they shouldn't leave
V-ing form
I shouldn't be leaving you shouldn't be leaving he shouldn't be leaving we shouldn't be leaving you shouldn't be leaving they shouldn't be leaving
Perfect
I shouldn't have left you shouldn't have left he shouldn't have left we shouldn't have left you shouldn't have left they shouldn't have left
V-ing perfect
I shouldn't have been leaving you shouldn't have been leaving he shouldn't have been leaving we shouldn't have been leaving you shouldn't have been leaving they shouldn't have been leaving
Interrogative form
Simple form
should I leave? should you leave? should he leave? should we leave? should you leave? should they leave?
V-ing form
should I be leaving? should you be leaving? should he be leaving? should we be leaving? should you be leaving? should they be leaving?
Perfect
should I have left? should you have left? should he have left? should we have left? should you have left? should they have left?
V-ing perfect
should I have been leaving? should you have been leaving? should he have been leaving? should we have been leaving? should you have been leaving? should they have been leaving?
Interro-negative form
Simple form
shouldn't I leave? shouldn't you leave? shouldn't he leave? shouldn't we leave? shouldn't you leave? shouldn't they leave?
V-ing form
shouldn't I be leaving? shouldn't you be leaving? shouldn't he be leaving? shouldn't we be leaving? shouldn't you be leaving? shouldn't they be leaving?
Perfect
shouldn't I have left? shouldn't you have left? shouldn't he have left? shouldn't we have left? shouldn't you have left? shouldn't they have left?
V-ing perfect
shouldn't I have been leaving? shouldn't you have been leaving? shouldn't he have been leaving? shouldn't we have been leaving? shouldn't you have been leaving? shouldn't they have been leaving?