Помогите найти ошибки в предложениях 1. I'm playing chess since i was eight years old 2....

Помогите найти ошибки в предложениях
1. I'm playing chess since i was eight years old
2. I used to eat at that restaurant three times last week
3. They haven't still delivered my television
4. We haven't read yet his letter
5. I have met that man a week ado
6. We moved to Glasgow a year before
7. Mike and Kelly got married last week. They had met each other four years ago
8. I'll make the diner when I'll get home
9. Take some food in case you will get hungry
10. The house will have been built until the end of may
11. Peter still is at school
12. When was the last time you have seen Tommy?
13. I have seen this film three months before
14. She hasn't been to a party since she has returned from her holiday

1. I have been playing chess since i was eight years old
2.  I used to eat at that restaurant three times a week
3. They haven't delivered my television yet.
4.  We haven't read his letter yet.
5.  I met that man a week ago
6. We moved to Glasgow last year
7. Mike and Kelly got married last week. They met each other four years ago.
8. I'll make the dinner when I get home
9. Take some food in case you get hungry
10. The house will have been built by the end of may
11. Peter is still at school
12. When did you see Tommy last time ?
13. I saw this film three months ago.
14. She hasn't been to a party since she returned from her holiday