Язнаю , что там много ошибок .исправьте ​

1) If you meet Kolya on your way home, ask him to call me.
2) I do not know if tomorrow's weather will be good, but if it is warm, we shall go into the forest.
3) I'm not sure whether he will invite me to the movies.
4) The  parents will be happy, when the son comes back from the army.
5) If you hurry, you will be there in time to catch the train.
6) Do not forget to close the window before leaving.
7) I'll call you as soon as I arrive in London.
8) Please do not touch anything until  the police arrive.
9) Everyone will be surprised if he passes his exam.
10) If I need help, I shall ask you.
11) When you again meet Nikolai, you will not recognise him.
12) Wait here until I come.
13) If you do not go to the station now, you'll be late for the train.

1. 1) a 2) an 3) – 4) – 5) – 6) – 7) – 8) – 9) – 10) a 2. 1) isn't it? 2) is it? 3) can you? 4) aren't there? 5) aren't they? 6) are they? 3. 1) we are usually do a lot of different activities at our english classes. for example, develop our speech and grammar skill, retell texts and many others. 2) i'm fond of drawing. 3) i'm doing my homework now. 4) all students write test sometimes. 5) i went for a walk with my friend yesterday. 4. 1) speak 2) says 3) tell 4) talk 5) tell 6) telling 5. 1) my best friend is fifteen years old. 2) she's brunette. 3) she has dark eyes. 4) she is interested in sports. most of all in tennis. 5) she is a good friend. 6. 1) of 2) for 3) to 4) at 5) for 6) — 7) on, to