I should burp you should burp he should burp we should burp you should burp they should burp
V-ing form
I should be burping you should be burping he should be burping we should be burping you should be burping they should be burping
Perfect
I should have burped you should have burped he should have burped we should have burped you should have burped they should have burped
V-ing perfect
I should have been burping you should have been burping he should have been burping we should have been burping you should have been burping they should have been burping
Negation
Simple form
I should not burp you should not burp he should not burp we should not burp you should not burp they should not burp
V-ing form
I should not be burping you should not be burping he should not be burping we should not be burping you should not be burping they should not be burping
Perfect
I should not have burped you should not have burped he should not have burped we should not have burped you should not have burped they should not have burped
V-ing perfect
I should not have been burping you should not have been burping he should not have been burping we should not have been burping you should not have been burping they should not have been burping
Interrogative form
Simple form
should I burp? should you burp? should he burp? should we burp? should you burp? should they burp?
V-ing form
should I be burping? should you be burping? should he be burping? should we be burping? should you be burping? should they be burping?
Perfect
should I have burped? should you have burped? should he have burped? should we have burped? should you have burped? should they have burped?
V-ing perfect
should I have been burping? should you have been burping? should he have been burping? should we have been burping? should you have been burping? should they have been burping?
Interro-negative form
Simple form
should I not burp? should you not burp? should he not burp? should we not burp? should you not burp? should they not burp?
V-ing form
should I not be burping? should you not be burping? should he not be burping? should we not be burping? should you not be burping? should they not be burping?
Perfect
should I not have burped? should you not have burped? should he not have burped? should we not have burped? should you not have burped? should they not have burped?
V-ing perfect
should I not have been burping? should you not have been burping? should he not have been burping? should we not have been burping? should you not have been burping? should they not have been burping?