Tips: Trong giao tiếp hàng ngày, until thường xuất hiện trong các câu phủ định nhiều hơn by.

1. What time will the package arrive ? 
2. The package won't come next Thursday. 
3. We have lots of time. The movie doesn't start 7:00 pm. 
4. Most Koreans live with their family they get a full-time job. 
5. Most Koreans move out the time they get a full-time job. 
6. I go to sleep 1:00 am almost every night. 
7. I stay up 1:00 am almost every night. 
8. Let's work on this 6:00 pm and then go home if we finish. 
9. Let's try to finish and go home 6:00 pm. 

1. Please wait. Our doctor will come back in 15 minutes.
2. She is very busy. She’ll be free only after 6 o’clock.
3. You must not go out. I will let you go.
4. The children behaved impertinent. The adults scolded them.
5. The doctor told me not to worry about my mother’s health. Only then was I relieved.

1. The champion of the tournament can win $30.000. 
2. He can't be the thief; he never left home 5 pm. 
3. Yesterday, we studied midnight. 
4. The ambulance took the patient the hospital. 
5. He repeated the English word he knew it by heart. 

1. My sister is not leaving for French ……… the next day.

1. My sister runs till the park.