Объясните, пожалуйста!
ГрамматикаПочему именно эти времена глаголов в предложениях?
1. When morning came, the storm already stopped, but the snow was still falling.
2.Yesterday by 8 o'clock he had finished all his homework, and when I came to his place at 9, he was reading.
3. I have been waiiting for permission to go abroad for 3 weeks already, but I have not received the visa yet.
4. Everybody was at the door of the museum, but my friend had not yet come.
5. We were drinking tea when the telephone rang.
6. Johnny noticed that everybody was looking at him, and he felt shy.
7. Light travels more quickly than sound.
8. When I came to Pete's house last Sunday, he was reading a new book. He said, he would give it to me soon. Today I have taken it from him. Now I am reading it. I shall have finished it by Friday. If you like, I shall give it to you on Saturday when you come to see me.
9. When will he come? We have been waiting for him for half an hour already.
10. On leaving the hall, the students thanked, the professor who had delivered the lecture.
11. We already had covered about 10 miles when Peter, who had been looking out of the window for the last five or ten minutes, suddenly exclaimed: "Here is the station!"
12. He was here 5 minutes ago, but you were out. He asked me to tell you that he would come again tonight.
13. Have you read " The Murder of Roger Ackroyd" by Agata Christie? - No, I have not yet read it. But I have heard, that it is a very interesting book. I shall read it as soon as I get it.
14. When we came to the station, the train had already arrived. The passengers were hurrying to occupy their seats in the carriages.
15. The concert was a greater success than we had expected. We were very glad.
16. He told me that if no one came to meet me at station, I could leave the suitcases in the cloakroom and go to the hotel where he had reserved a room for me.
Заранее всем большое - большое спасибо!!!!!