Illustrative examples

We have been to the South this year.

Have you been to the South this year?

Yes, I have. No, I haven’t.

I haven’t been to the South yet.

I haven’t seen him since 1996.

Have you bought this dictionary or taken it from the library?

I have bought it this week.

Where have you bought it?

I have bought it at the book shop in the center of the city.

Who has seen this performance? I have (she, he has)