1.She asked Helen if she lived with her family.

2.He asked Linda if he could borrow her pen.

3.He asked me if my uncle lived in England.

4.Mary asked Lucy if she would come to her party the following day.

5.Mary asked John if he had phoned her the previous night.

6. He asked David if that was David's or his.

7. She always asked me if I had to always ask her what she was doing.

8.The teacher asked if they were listening to her.

9.Mary asked Larry if he wanted her to help him.

10.The officer asked if I were a foreigner and if I could spell my name.

Câu trực tiếp-gián tiếp:khi chuyển từ câu trực tiếp sang câu gián tiếp,ta phải lùi 1 thì(HTĐ=>QKĐ,HTTD=>QKTD, QKĐ=>QKHT,....)và chuyển đổi một số từ(this=>that,these=>those,tomorrow=>the following day,yesterday=>the previous day,....)

Công thức câu trực tiếp-gián tiếp dạng câu nghi vấn:

S+đttt"Did/Do/Does/Was/Were/Are/Is....+S+V"?

=>S+đttt+if/whether+S+V(lùi 1 thì)+....