Have you ever been there?

你去过那里吗？

Have you ever been there, John?

约翰，你去过那里吗？

Have you ever been there before?

你以前去过那里吗？

Have you ever been there, Ken?

Ken，你去过那里吗？

I went to Paris last summer. Have you ever been there?

去年夏天我去了巴黎，你去过吗？