1.Do you sometimes stay up late on Saturday night?

2. What is Linh doing in the gym now?

3. How long have we lived in New York?

4. How many bookstores are near my house?

5. How will he go there?

6. What are we learning to play?

7. Why did she stay at home?

8. When does my brother go to school every day?

1.We sometimes stay up late on Saturday night.
=> How often do you stay up late on Saturday night ?
2.Linh is doing aerobics in the gym now.
=>  Where is Linh doing aerobics now ?
3.We have lived in New York for ten years.
=> . How long have you lived in NY ? 
4.There are three bookstores near my house.
=> How many bookstores are there near your house ?
5.He will go there by car.
=>  How will he go there?  
6.We are learning to play the guitar.
=>  What are you learning to play ?
7.She stayted at home because she was sick.
=> Why did she stay at home ?