2)correct the mistakes: 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 ago. 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 dinner when i will 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 tony? 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've played chess since I was eight years old.

2 I ate at that restaurant three times last 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 a year ago.

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 still is at school.

12 When was the last time you have seen Tony?

13 I have seen this film three months before.

14 She hasn't been to a party since she has returned from her holiday.