like: Have you nished? > What time did you nish your work? → →
982
Have you nished? > What time did you nish your work? ☊ 
Cậu đã xong chưa? Cậu đã xong việc lúc mấy giờ? ☊ Have you nished? > What time did you nish your work? ☊ Cậu đã xong chưa? Cậu đã xong việc lúc mấy giờ? ☊