1. When we reached the airport, we found that the plane had crashed.
2. When the police entered the bank, the robbers had already escaped.
3. He wondered where he had lost his keys.
4. By the time the ambulance arrived three people had died.
5. When I got to the train, I realized that I had forgotten my password.
6. She watched the film with interest because she had read the book.
8. I hardly opened the door when I heard her steps behind me.
9. When I met him in1982 he had been a sailor for ten years and he was very pleased.
10. When we reached there his sister told us that he had just gone out.
