15 Write about repeated actions or states in the past with used to or didn't use to, as in the example. 1. He isn't my best friend any longer. He used to be my best friend. 2. Now she's got a dog. She didn't use to have a dog. 3. Dark colours aren't fashionable this autumn. 4. Now he eats ice cream very often. 5. Now we study on Sundays. 6. Now she likes wearing formal clothes. 7. Sam is a very self-confident person now. 8. Now he goes on a business trip every month. 9. Now his brother prefers reading science fiction stories.