1. David repaired his car when he went out with his friend. After...
2. I saw him leave the house early this morning.
3. Peter came to visit Mary while she was taking a bath.
4. John finished the report before going to bed.
5. Bob should work harder for the exam; it’s advisable.
6. The boss made her type these letters before 5 p.m. yesterday.
7. We had turned off all the lights before going out.
8. What would you like to do this evening?
9. My mother advised me to go on vacation.
10. He heard them sing a song.
11. It’s impossible for us to concentrate on his lesson.
12. It was a clever answer to the question he worked out.
13. The teacher let me stay at home to finish the assignment.
14. She noticed the boy ran away from the house.
15. The policeman told the thief to empty his pockets.
16. When I arrived, he had already left the meeting.

1. David repaired his car then went out with his friend.
 * Viết lại: After David repaired his car, he went out with his friend.
   * Dịch: Sau khi sửa xe, David đã đi chơi với bạn của mình.
2. He left the house early this morning. I saw him when he left the house early this morning.
 * Viết lại: I saw him leaving the house early this morning.
   * Dịch: Tôi đã thấy anh ấy rời khỏi nhà vào sáng sớm nay.
3. Peter came to visit Mary during her taking bath.
 * Viết lại: Jane found Peter when Mary was taking a bath. (Câu này hơi lạ, có thể bạn muốn thay đổi chút về ngữ cảnh hoặc đối tượng "Jane".)
   * Dịch: Jane thấy Peter khi Mary đang tắm.
4. John went to bed but first finished the report.
 * Viết lại: John had finished the report before going to bed.
   * Dịch: John đã hoàn thành báo cáo trước khi đi ngủ.
5. It's advisable for Bob to work harder for the exam.
 * Viết lại: Bob should work harder for the exam.
   * Dịch: Bob nên làm việc chăm chỉ hơn cho kỳ thi.
6. She was made to type these letters before 5 p.m yesterday. The boss...
 * Viết lại: The boss made her type these letters before 5 p.m yesterday.
   * Dịch: Ông chủ bắt cô ấy đánh máy những lá thư này trước 5 giờ chiều hôm qua.
7. Before going out, we had turned off all the lights.
 * Viết lại: Before we went out, we had turned off all the lights.
   * Dịch: Trước khi đi ra ngoài, chúng tôi đã tắt hết đèn.
8. What do you fancy doing this evening?
 * Viết lại: What do you want to do this evening?
   * Dịch: Bạn muốn làm gì tối nay?
9. My mother said I had better go on a vacation.
 * Viết lại: My mother advised me to go on a vacation.
   * Dịch: Mẹ tôi khuyên tôi nên đi nghỉ mát.
10. They sang a song. He heard them.
 * Viết lại: He heard them sing a song.
   * Dịch: Anh ấy nghe họ hát một bài hát.
11. We can't possibly concentrate on his lesson. It's...
 * Viết lại: It's impossible for us to concentrate on his lesson.
   * Dịch: Chúng tôi không thể tập trung vào bài giảng của anh ấy.
12. He worked out the answer. It was clever of him.
 * Viết lại: It was clever of him to work out the answer.
   * Dịch: Thật thông minh khi anh ấy tìm ra câu trả lời.
13. The teacher allowed me to stay at home to finish the assignment.
 * Viết lại: The teacher let me stay at home to finish the assignment.
   * Dịch: Cô giáo cho phép tôi ở nhà để hoàn thành bài tập.
14. The boy ran away from the house. She noticed.
 * Viết lại: She noticed the boy running away from the house.
   * Dịch: Cô ấy nhận thấy cậu bé chạy trốn khỏi nhà.
15. The policeman told the thief to empty his pockets.
 * Viết lại: The policeman made the thief empty his pockets.
   * Dịch: Cảnh sát bắt tên trộm rỗng túi.
16. He left the meeting before my arrival.
 * Viết lại: When I arrived, he had already left the meeting.