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