tag question
US /ˈtæɡ ˌkwes.tʃən/
UK /ˈtæɡ ˌkwes.tʃən/

1.
a question converted from a statement by adding a short interrogative phrase (e.g., isn't it? or don't you?)
:
•
You're coming, aren't you?
•
She speaks English well, doesn't she?
a question converted from a statement by adding a short interrogative phrase (e.g., isn't it? or don't you?)