1. Fill in the gaps with the proper form of the verbs. 1. I (lose) my key I can't enter my flat now.

2. I (lose) my key and (walk) in the yard before

my mother came and opened the door.

3.

Why are you late today, Pete? Frankly speaking, I (oversleep).

4. Pete was late for school because he (oversleep).

5. After Bill (do) his homework, he began playing on a computer.

6. you (do) your homework?" Mother asked me.

7. The dog (eat) all the sausages before we came

home.

8. you (eat) your breakfast today?

9. Jack (be) to three countries by the time he was

seventeen.

10. you (be) to Baikal?

11. Nick (read) an interesting book about space this

week.

12. He (read) five textbooks by the history exam

last month.

13. I looked at the new pupil in our class and realized

that I (see) him before.

14. you ever (see) a kangaroo?

15. you ever (break) any glasses or cups? Do you

believe in superstitions"?

16. The father wanted to know who (break) his

favourite cup.

17. During his summer holidays Sam decided to visit

the city he (live) in before.

1. I've lost my key I can't enter my flat now.

2. I had lost my key and had walked in the yard before  my mother came and opened the door.

3 .  Why are you late today, Pete? Frankly speaking, I have overslept.

4. Pete was late for school because he had overslept.

5. After Bill had done his homework, he began playing on a computer.

6. Have you done your homework?" Mother asked me.

7. The had dog eaten all the sausages before we came  home.

8. Have you eaten your breakfast today?

9. Jack had been to three countries by the time he was  seventeen.

10. Have you been to Baikal?

11. Nick has read an interesting book about space this   week.

12. He read five textbooks by the history exam  last month.

13. I looked at the new pupil in our class and realized  that I had seen him before.

14. Have you ever seen a kangaroo?

15. Have you ever broken any glasses or cups? Do you  believe in superstitions?

16. The father wanted to know who had broken his  favourite cup.

17. During his summer holidays Sam decided to visit  the city he had lived in before.