1. - a famous person?
- No, I have never met a famous person.

2. - lessons?
- Yes, he has taken piano lessons recently.

3. - a horse?
- Yes, my daughter has ridden a horse several times.

4. - abroad?
- No, I have never been abroad.

5. - your mother's birthday?
- Yes, I have forgotten my mother's birthday once.

6. - a tornado?
- No, I have never seen a tornado.

7. - your parents?
- Yes, I have told jokes to my parents several times.

8. - Greece?
- No, she has never been to Greece.