Fill in the gaps with the correct forms of the words
Didn't / did not use to
When you want to say that you didn't do something in the past, you should use "did not / didn't".

In this case, you say, "I didn't use to write letters in pen". Or, "She did not use to clean her teeth regularly before she got to the dentist".

1. I
   [ ]
   eat a lot of fast food when I was 10.
2. Sam
   [ ]
   swim when he was 7.
3. Pete and Jack
   [ ]
   to wake up at 8 when they lived at another place.
4. Sheila
   [ ]
   be late to school when her dad was driving her there.
5. I
   [ ]
   to stay up late before I got a computer.
6. They
   [ ]
   to like Maths, but now they do.