I should belch you should belch she should belch we should belch you should belch they should belch
V-ing form
I should be belching you should be belching she should be belching we should be belching you should be belching they should be belching
Perfect
I should have belched you should have belched she should have belched we should have belched you should have belched they should have belched
V-ing perfect
I should have been belching you should have been belching she should have been belching we should have been belching you should have been belching they should have been belching
Negation
Simple form
I should not belch you should not belch she should not belch we should not belch you should not belch they should not belch
V-ing form
I should not be belching you should not be belching she should not be belching we should not be belching you should not be belching they should not be belching
Perfect
I should not have belched you should not have belched she should not have belched we should not have belched you should not have belched they should not have belched
V-ing perfect
I should not have been belching you should not have been belching she should not have been belching we should not have been belching you should not have been belching they should not have been belching
Interrogative form
Simple form
should I belch? should you belch? should she belch? should we belch? should you belch? should they belch?
V-ing form
should I be belching? should you be belching? should she be belching? should we be belching? should you be belching? should they be belching?
Perfect
should I have belched? should you have belched? should she 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 she have been belching? should we have been belching? should you have been belching? should they have been belching?
Interro-negative form
Simple form
should I not belch? should you not belch? should she not belch? should we not belch? should you not belch? should they not belch?
V-ing form
should I not be belching? should you not be belching? should she not be belching? should we not be belching? should you not be belching? should they not be belching?
Perfect
should I not have belched? should you not have belched? should she not have belched? should we not have belched? should you not have belched? should they not have belched?
V-ing perfect
should I not have been belching? should you not have been belching? should she not have been belching? should we not have been belching? should you not have been belching? should they not have been belching?