Gián tiếp câu hỏi nghi vấn:

S asked O/wanted to know if/whether S V(lt)

Trong câu cần chú ý lùi thì trạng từ.

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1. He asked Peter if he lived in the country

2. They wanted to know if I had seen Charles the morning before

3. She wanted to know if they would get there on time

4. The policeman asked if I didn't know the traffic regulations 

5. The coach wanted to know if they could do their best

6. He asked if they were going to start work the next day

7. She asked if they had ever been to America