Question tags/ tag questions: ضمائم پرسشي
گاهي در انگليسي براي اخذ تاييد از مخاطب يا تشويق او به إظهار نظر، در آخر جملات خبري از يك عبارت سوالي كه شامل ضــــمير فاعلي و فعل كمكي است استفاده مي شود .
مگه نه؟
اينطور نيست؟
Question tags are formed with the auxiliary or modal verb from the statement and the appropriate subject.
A positive statement is followed by a negative question tag.
Jack is from Spain, isn't he?
Mary can speak English, can't she?
A negative statement is followed by a positive question tag.
They aren't funny, are they?
He shouldn't say things like that, should he?
http://www.grammar.cl/Intermediate/Question_Tags.htm
https://www.englishclub.com/grammar/verbs-questions-tag.htm