1 I had seen his picture before I visited the museum. 2 Mr Jones had been a teacher before he became a journalist. 3 Tom was late. We had discussed everything when he came. 4 She didn't know why he had done it.5 I knew whe he had asked the question. 6 When I saw the bike I understood why Boris had bought it.7 He remembered that he had locked the door.8 Daniel didn't want to see the film because he had seen before. 9 I couldn't phone you because I had forgotten your telephone number. 10 It was a game that I hadn't played before.