1 - I used to walk to work.
2 - I didn't use to have a dog.
3 - I used to eat junk food.
4 - I didn't use to go to the gym every night.
5 - I used to be shy.
6 - I didn't use to live in a big house.
7 - I used to have long hair.
8 - I didn't use to eat lots of vegetables.
