1. He had had breakfast before he went to school. 2. He went to meet his friends after he had done his homework. 3. By 8 o’clock the bus had left because she had missed it. 4. Alice had left the post-office before she entered the house. 5. She had worked at the factory before she started reading the book. 6. He had got a bad mark for his test because he had not studied. 7. I had gone to bed after I had finished reading the book. 8. The child had already fallen asleep before they bought this toy. 9. They had married before they watched the film.