They haven’t left yet, have they?

Translation language

Sentence

Narrator

Are you sure they haven't left yet?

I'm surprised they haven't left yet!

They haven't left yet? Come on!

I thought they left already, but they haven't, have they?

They have not yet departed, is that correct?

They're still here, right?

They are not gone yet, right?

Have not departed; are still present.

A tag question seeking confirmation.