past perfect tense

1. fernando told us that he had looked (look) every were for the book.
2. carla had left (leave) by the time we arrived.
3. the police reported that they finally had captured (capture) the thief.
4. I met them before I had gone (go) a hundred yards.
5. I saw that we had taken (take) the wrong road.
6. he knew that he had made (make) a serious mistake.
7. I felt that I had met (meet) the man somewhere before.
8. he asked me why i had left (leave) the party so early.
9. he wanted to know that had happened (happen) to his briedcase.
10. previously she had been (be) a very good student.
11. it was clear that he had gave (give) us the wrong address.
12.the teacher corrected the exercises whit I had prepared(prepare) .
13. what did he say she had done (do) with the money?
14. he said he had had (have) his lunch.
15. i was sure that i had seen (see) the man before.