Find the mistake and correct it:
1. I haven’t cutted my hair since last June.
2. She has not working as a teacher for almost 5 years.
3. The lesson haven’t started yet.
4. Has the cat eat yet?
5. I am worried that I hasn’t still finished my homework yet.
6. I have just decided to start working next week.
7. He has been at his computer since seven hours.
8. She hasn’t received any good news since a long time.
9. My father hasn’t played any sport for last year.
10. I’d better have a shower. I hasn’t had one since Thursday.
11. Jinho have lost his key. He can’t find it anywhere.
12. How much games has this team won so far this month?
13. Long doesn’t know her husband. He never has met him.
14. They live in Australia. They has lived there all their life.
15. Your house looks very clean and beautiful. Have you wash it?
16. The girls has visited the museum 3 times.
17. John and Sophie have help in the garden for 30 minutes.
18. My family has lived in this town in 2010.
19. How long have you studying English?
20. My sister have buy a new bike.