I should behave you should behave he should behave we should behave you should behave they should behave
V-ing form
I should be behaving you should be behaving he should be behaving we should be behaving you should be behaving they should be behaving
Perfect
I should have behaved you should have behaved he should have behaved we should have behaved you should have behaved they should have behaved
V-ing perfect
I should have been behaving you should have been behaving he should have been behaving we should have been behaving you should have been behaving they should have been behaving
Negation
Simple form
I should not behave you should not behave he should not behave we should not behave you should not behave they should not behave
V-ing form
I should not be behaving you should not be behaving he should not be behaving we should not be behaving you should not be behaving they should not be behaving
Perfect
I should not have behaved you should not have behaved he should not have behaved we should not have behaved you should not have behaved they should not have behaved
V-ing perfect
I should not have been behaving you should not have been behaving he should not have been behaving we should not have been behaving you should not have been behaving they should not have been behaving
Interrogative form
Simple form
should I behave? should you behave? should he behave? should we behave? should you behave? should they behave?
V-ing form
should I be behaving? should you be behaving? should he be behaving? should we be behaving? should you be behaving? should they be behaving?
Perfect
should I have behaved? should you have behaved? should he 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 he have been behaving? should we have been behaving? should you have been behaving? should they have been behaving?
Interro-negative form
Simple form
should I not behave? should you not behave? should he not behave? should we not behave? should you not behave? should they not behave?
V-ing form
should I not be behaving? should you not be behaving? should he not be behaving? should we not be behaving? should you not be behaving? should they not be behaving?
Perfect
should I not have behaved? should you not have behaved? should he not have behaved? should we not have behaved? should you not have behaved? should they not have behaved?
V-ing perfect
should I not have been behaving? should you not have been behaving? should he not have been behaving? should we not have been behaving? should you not have been behaving? should they not have been behaving?