Question

10. The construction workers (build) ___________________that house all winter. They .................................not, work) on it this week, though, because it (rain) ________________every day since Monday.
11. Every summer our class …………………… (go) on a short trip. Last year we ……………………. (go) to a zoo. Our teacher …………………… (be) very nervous. Teachers ………………. (be) often nervous on a school trip. But why? We ………….......……….. (not understand) that.
12. While they …………………… (play) tennis, we ………………….. (take) our dog for a walk.
13. When I ……………. (get) up, he ……………….. (sit) in the garden and ………………….. (read) a book.
14. It ............... (rain) now. It ................. (begin) raining two hours ago. So it .....................(rain) for two hours.
15. Sam is a very interesting person. He ………………………………….(know) all kinds of unusual facts.
16. Martha …………………………………….. (find) a new job. She is starting next week.
17. The teacher ………………………………………. (correct) essays for three hours.
18. John ………………………………….. (enter) his flat and ……………………………. (close) the door.
19. Kim looked tired this morning. Yes. She ……………………………………….(study) all night long.

Answer 1

10. The construction workers had been building that house all winter. They are working on it this week, though, because it it had been raining everyday day since Monday.

11. Every summer our class goes on a short trip. Last year we went to a zoo. Our teacher was very nervous. Teachers are often nervous on a school trip. But why? We can not understand that.

12. While they were playing tennis, we had taken our dog for a walk.

13. When I got up, he was sitting in the garden and was reading a book.

14. It is raining now. It began two hours ago. So it has been raining for two hours.

15. Sam is a very interesting person. He knows all kinds of unusual facts.

16. Martha has found a new job. She is starting next week.

17. The teacher has been correcting essays for three hours.

18. John entered his flat and closed the door.

19. Kim looked tired this morning. Yes. She has been studying all night long.