1. I have lived in this city for 10 years.
2. I have visited many countries.
3. I have washed my car.
4. I have bought a new phone.
5. I have come to school early today.
6. I have gone to the cinema.
7. I have stopped smoking.
8. I have played the guitar.
9. I have done my homework.
10. I have had a great time.
11. I have read many books.
12. I have lost my keys.