1. He wanted to know if we had been shopping for food.

(Câu gián tiếp dạng Yes/ No question: S1+ asked/ wanted to know+ if/ whether+ S2+ V(lùi thì))

2. He asked what the time was.

(Câu gián tiếp dạng Wh_question: S1+ asked/ wanted to know+ wh_question + S2+ V(lùi thì))

3. She asked me when we would see each other again.

(Câu gián tiếp dạng Wh_question)

4. He wanted to know where they had lived before moving there.

(Câu gián tiếp dạng Wh_question)

5. He asked her if she would be at Tom's party.

(Câu gián tiếp dạng Yes/ No question)

6. She asked me if I could met her at the train station. (Câu gián tiếp dạng Yes/ No question)

7. He asked me if I had seen that great car. (Câu gián tiếp dạng Yes/ No question)

8. She said that she had gone to the cinema with her boyfriend the previous day.

9. He said that he was writing an essay the following day.

10. You said that you would do that for me.

11. She said that she wasn't tired then. 

12. They said that they had never been there before.

13. They said they they had been in Paris the previous week.

(Câu 8-> 13: câu gián tiếp dạng tường thuật: S1+ said+ ...+ (that)+ S2+ V(lùi thì))