1. Did Auntie Kay used to cook a big meal on Sundays?
- Corrected: Did Auntie Kay use to cook a big meal on Sundays?
2. Teenagers didn't used to have mobile phones in the 1980s.
- Corrected: Teenagers didn't use to have mobile phones in the 1980s.
3. Josh used to invent a popular video game.
- Corrected: Josh invented a popular video game.
4. Did use to be milk free at school when you were little?
- Corrected: Did milk use to be free at school when you were little?
5. When Grandpa was young, films used to were black and white.
- Corrected: When Grandpa was young, films used to be black and white.