I'd be behaving you'd be behaving she'd be behaving we'd be behaving you'd be behaving they'd be behaving
Perfect
I should've behaved you should've behaved she should've behaved we should've behaved you should've behaved they should've behaved
V-ing perfect
I should've been behaving you should've been behaving she should've been behaving we should've been behaving you should've been behaving they should've been behaving
Negation
Simple form
I shouldn't behave you shouldn't behave she shouldn't behave we shouldn't behave you shouldn't behave they shouldn't behave
V-ing form
I shouldn't be behaving you shouldn't be behaving she shouldn't be behaving we shouldn't be behaving you shouldn't be behaving they shouldn't be behaving
Perfect
I shouldn't have behaved you shouldn't have behaved she shouldn't have behaved we shouldn't have behaved you shouldn't have behaved they shouldn't have behaved
V-ing perfect
I shouldn't have been behaving you shouldn't have been behaving she shouldn't have been behaving we shouldn't have been behaving you shouldn't have been behaving they shouldn't have been behaving
Interrogative form
Simple form
should I behave? should you behave? should she behave? should we behave? should you behave? should they behave?
V-ing form
should I be behaving? should you be behaving? should she be behaving? should we be behaving? should you be behaving? should they be behaving?
Perfect
should I have behaved? should you have behaved? should she have behaved? should we have behaved? should you have behaved? should they have behaved?
V-ing perfect
should I have been behaving? should you have been behaving? should she have been behaving? should we have been behaving? should you have been behaving? should they have been behaving?
Interro-negative form
Simple form
shouldn't I behave? shouldn't you behave? shouldn't she behave? shouldn't we behave? shouldn't you behave? shouldn't they behave?
V-ing form
shouldn't I be behaving? shouldn't you be behaving? shouldn't she be behaving? shouldn't we be behaving? shouldn't you be behaving? shouldn't they be behaving?
Perfect
shouldn't I have behaved? shouldn't you have behaved? shouldn't she have behaved? shouldn't we have behaved? shouldn't you have behaved? shouldn't they have behaved?
V-ing perfect
shouldn't I have been behaving? shouldn't you have been behaving? shouldn't she have been behaving? shouldn't we have been behaving? shouldn't you have been behaving? shouldn't they have been behaving?