Question tags

[sevda ralen]

Test No. incompl/elem-37 "Question Tags (3)", question 10

You shouldn't have done that .........

(a) could you?
(b) should you?
(c) couldn't you?
(d) didn't you?

Test No. incompl/elem-37 "Question Tags (3)", answer 10

You shouldn't have done that should you?

Correct answer: (b) should you?
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which answer is true.I think true answer is b number.can you explain ?

[Alan]

Yes, that's the right answer following the pattern negative + positive and postive + negative as in these examples:

You can't, can you?
You did, didn't you?

You haven't, have you?
You have, haven't you?
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English as a Second Language
You can read my ESL story Phrasal Verbs/bring