1. she / not / sleep late at the weekends
→ She doesn't sleep late at the weekend.
2. . We/ not/ believe/ ghost.
→ We don't believe in ghosts.
3. you / understand the question?
→ Do you understand the question?
4. they / not / work late on Fridays
→ They don't work late on Fridays.
5. David / want some coffee?
→ Does David want some coffee?
6. she / have three daughters
→ She has three daughters.
7. when / she / go to her Chinese class?
→ When does she go to her Chinese class?
8. why / I / have to clean up?
→ Why do you have to clean up?