1. By the time I got to the station the train had left.2. Patrick's mother was very angry when he came home late because she had been worrying about him all evening.3. The children started a fire. They had been playing with matches.4. Brenda had disappeared before I had time to talk to her.5. Bruce went to hospital because he had cut his hand while he was trying to mend a broken window.6. It had been more than a month before I realized what had happened.7. When Jack had not arrived by 6 p.m. I knew he had missed the bus.8. When I met him he had been working as a plumber for a year or so.9. We had scarcely started eating when there was another scream.10. We had looked through the agreement before we signed it.