A: Have you ever been to London?
B: No, I have never been there.

A: Have you seen the Parthenon recently?
B: Yes, I have seen it. It's amazing!

A: Has Damien gone skiing?
B: No, he hasn't. He doesn’t like it.

A: Is Akim at home, please?
B: No, I'm afraid he's gone out.

A: I'm afraid I have never visited the Melbourne Museum and I've been in Melbourne for a whole year.
B: Really? I have. It's fantastic!

A: How long have you and Ben been friends?
B: We've been friends for twelve years.

A: I have already cooked dinner.
B: That's good because I haven't eaten yet and I'm really hungry.

A: Have you ever been to London? B: No, I have never been there.

A: Have you seen the Parthenon yet? B: Yes, I have already seen it. It's amazing!

A: Has Damien gone skiing? B: No, he hasn't. He doesn’t like it.

A: Is Akim at home, please? B: No, I'm afraid he's gone out.