3. had never been 

4. had finished

5. hadn't finished

6. had eaten

7. had listened

8. had finished

9. had been

10. Had you met

11. had forgotten

12. had prepared

13. hadn't rained

14. hadn't paid

15. hadn't eaten

`3.`

1. After the storm had passed, people came back to their normal life.

2. A decent meal was prepared by my mother after she had come home after work.

3. By 1990, my family had settled down in New Jersey for 10 years.

4. Jim was having a shower when the doorbell was rung by his wife.

5. At this time last year, a project on environmental issues was being carried by Dr.Brown.

6. They had prepared carefully for the hurricane before it arrived.

7. Many people had lived in temporary shelters until the storm passed.

8. Earthquakes in Japan have caused devastating effects on human and the environment recently.

`Jeikei`