1. Have you ever won a lottery?
2. We have seen this film many times.
3. Have you ever sung Karaoke?
4. She has visited Phu Quoc threetimes.
5. Has Tim finished his work yet?
6. I has been to Phu Quoc twice.
7. My parents have been lived in Long An since 2004.
8. They have just gone out.
9. This is the first time I has tried this kind of food.
10. Have you sent the letters yet?
11. They haven't seen the film yet.
12. The train has just arrived.
13. Have you ever been in a TV studio?
14. I has lost my dictionary. I can't find it anywhere.
15. I has lost my key. Can you help me look for it?
16. Mr John has been the principal of our school since last year.
17. Mr Smith has teached at this school since he graduated in 1990.
18. His hair looks short. He have had a haircut.
19. My bicycle isn't here. Somebody has taken it.
20. The car looks clean. Have you washed it?
