question tag การใช้

Finally, some languages have words whose only function is as a question tag.
In yes-no questions, statement word order is normal, with the use of a question tag sentence clitic:
However, its identification as a pronoun is most consistent with its behavior in inverted sentences and question tags as described above.
It can also appear without a corresponding logical subject, in short sentences and question tags : " There wasn't a discussion, was there?
It is an invariant question tag, unlike the " is it ? " and " have you ? " tags that have, with the insertion of " not ", different construction in positive and negative questions.