1. They like to hang out during weekends.

Do they like to hang out during weekends?

2. The Earth doesn't revolve around the Sun.

Does the Earth revolve around the Sun?

3. She only doesn't eat fish.

Does she only eat fish?

4.  He drinks tea for breakfast.

He doesn't drink tea for breakfast.

5. I know how to play piano.

Do you know how to play piano?

6. Your exam doesn't start at 09:00.

Does your exam start a 09:00?

7. London isn't a large city.

Is London a large city?