Exercise 1: Find and correct the mistakes. 1. I think we got in the wrong bus. 2. My sister uses to eat mushrooms when she was a little girl but now she is allergic to them. 3. There did not used to be many traffic accidents before. 4. Did you use to riding a small bike in the yard outside your flat? Exercise 2: Rewrite the following sentences using “used to”. 1. I didn't listen to Western music some years ago. ___________________________________________ 2. My mum was a chef in Cham restaurant, but now she is retired. ___________________________________________ 3. There was a market here in 2003. ___________________________________________ 4. There are more cars on the roads now. ___________________________________________ 5. She was my idol when I was a child. ___________________________________________ 6. They didn't know how to drive a car, but now they can drive well. ___________________________________________