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