* He told his friends that he had to go home then.
 * Hoa said that she couldn't go out after 8 p.m.
 * She told me that she would come and see me as soon as she could.
 * Judy said that John wanted to come there but he wasn't very well.
 * Susan said that she had to wear a uniform when she was at school.
 * Hoa told me that she was going away for a few days and that she would phone me when she got back.
 * She said that she hadn't found her umbrella.
 * The girls said that they were learning English then.
 * Tom said that his friend was coming the following week.
 * Lien said that she would help her mum with housework that weekend.
 * We said that we would overcome that difficulty.
 * He said that his father was a doctor there.
 * The boy told his neighbor that he was going on holiday the following morning.
 * The teacher told his class that they would have to finish all those exercises before the following week.

Dưới đây là các câu đã được chuyển đổi từ trực tiếp sang gián tiếp:

5. He said to his friends that he must go home now.
   - Giải thích: Câu trực tiếp "I must go home now" được chuyển thành câu gián tiếp bằng cách thay đổi đại từ và giữ nguyên thì.

6. Hoa said that she couldn't go out after 8 p.m.
   - Giải thích: "I can't" được chuyển thành "she couldn't" và giữ nguyên nội dung câu.

7. She said to me that she would come and see me as soon as she could.
   - Giải thích: "I will" được chuyển thành "she would" và "as soon as I can" thành "as soon as she could".

8. Judy said that John wanted to come here but he wasn't very well.
   - Giải thích: "want" chuyển thành "wanted" và "isn't" thành "wasn't".

9. Susan said that she had to wear a uniform when she was at school.
   - Giải thích: "have to" chuyển thành "had to" và "am" thành "was".

10. Hoa said to me that she was going away for a few days and she would phone me when she got back.
    - Giải thích: "I'm going away" thành "she was going away" và "I'll phone" thành "she would phone".

11. She said that she hadn't found her umbrella.
    - Giải thích: "I didn't find" chuyển thành "she hadn't found".

12. The girls said that they were learning English then.
    - Giải thích: "We are learning" chuyển thành "they were learning" và "now" thành "then".

13. Tom said that his friend was coming the following week.
    - Giải thích: "next week" chuyển thành "the following week".

14. Lien said that she would help her mum with housework that weekend.
    - Giải thích: "I will help" chuyển thành "she would help" và "this weekend" thành "that weekend".

15. We said that we should overcome that difficulty.
    - Giải thích: "shall" chuyển thành "should".

16. He said that his father was a doctor there.
    - Giải thích: "is" chuyển thành "was".

17. The boy said to his neighbor that he was going on holiday the next morning.
    - Giải thích: "tomorrow morning" chuyển thành "the next morning".

18. The teacher said to his class that they would have to finish all those exercises before the following week.
    - Giải thích: "You will have to" chuyển thành "they would have to" và "next week" thành "the following week".