Составить 10 вопросов с словами "yet/ever"(5 с одни и 5 с другим)

Have you already sent the letters?

Is he still here?
Yes, he's still here. He hasn't left yet.

Has he come yet?
He has already come. He's already here.

 they are still playing. They have not finished yet.

Have they started yet?
They have already started.