1. When I came back home, I saw that somebody was inside.
2. Last week I saw a film that I had seen 3 times before.
3. I had been learning French before I came to France.
4. I couldn't fall asleep although I hadn't slept for 2 nights.
5. He suddenly remembered that he hadn't switched off the iron.
6. I didn't pass the exam because I hadn't ben studying enough.
7. When I came in, I saw that everybody was sleeping.
8. I got up, washed up, shaved and had breakfast.