Раскройте скобки, употребляя Past Indefinite, Past Continuous, Past Perfect, Past Perfect Continuous.

1. At the border station passengers were filling in the forms and going through the customs. 2. When he was looking for his passport, he found these old photographs. 3. She was walking along the street when someone opened the window and threw out a bouquet of roses. 4. Our neighbor found this ring when he was digging in the garden. He wonders who did it belong to? 5. We flew over Loch Ness some days ago. Have you seen the Loch Ness monster? 6. When she had left school she cut her hair and wears it short. 7. Mr. Bush had worked as a cashier for twenty-seven years. Then he retired and went to live in the country. 8. Why didn't you lend him that book yesterday? - I was reading it myself at that time. 9. I know you were very busy last week, so I didn't disturb you. 10. My mother was very pleased to see her classmates again. She hadn't seen them for twenty years. 11. Last year the Browns went to France. It was their first time there. They had never been there before. 12. Was Helen at the party when you arrived? No, she went home. 13. The house was very quiet when we got home. Everybody had already gone to bed already. 14. Where had your grandmother worked before she retired? - She had worked at the post-office all her life. 15. The children had been lying in the sun for half an hour when it started to rain. 16. We were good friends. We had known each other for a long time. 17. When I came my boss was waiting for me. He had been waiting for 20 minutes already and was annoyed because I was late. 18. When I woke up at 9 yesterday morning my brother was sitting in front of TV. He had just turned it off. He had been watching TV programmes since seven o'clock. 19. He had been waiting for the train for 10 minutes when suddenly he realized that he had arrived at the wrong station. A minute later he was hurrying to a taxi stop.