помогите отыскать ошибки в предложениях

1. have you ever been in london?
2. they didn't have dinner at 7 o'clock.
3. i never drink coffee in the morning.
4. what is you telephone number?
5. we are going to play chess this afternoon.
6. this computer was мейд in japan.
7. she is a bank manager, isn't she?
8. they come to italy.
9. i prefer to buy clothes in boutiques.
10. how mane cheese did you add in this dish?
11. we were talking when the telephone rang.
12. have you ever tried weird food?
13. she finished cooking before we came.
14. how much dollars do you spend a week?
15. who plays the violin?
16. i am going to fly to NY next month.
17. they don't enjoy loud parties.
18. it gets darkly.
19. what do you mean?
20. i don't understand the plan.
21. the soup smell really well.
22. she won the prize.
23. how many dies it cost?
24. i think he is a very intelligent boy.
25. it often rein in autumn.
26. look! the children are playing outdoors.
27. i am a busy teacher, aren't i?
28. she want to improve her pronunciarion.
29. i've been waiting you at the station.