1. He asked where Molly lived.

- Lùi thì: Hiện tại đơn -> Quá khứ đơn.

2. My sister asked why they had changed channel.

- Lùi thì: Quá khứ đơn -> Quá khứ hoàn thành

3. She asked me if I could turn the volume down.

- Lùi thì: can -> could

- Đổi ngôi: you -> I

4. They asked if I were going to watch the film with them.

- Lùi thì: am/is/are going to V -> was/ were going to V

- Đổi ngôi: You -> I

- Tân ngữ: us -> them

5. Mum asked what channel was the quiz show on.

- Lùi thì: Hiện tại đơn -> Quá khứ đơn (is -> was)

6. They asked Tom if he would help them with their essay.

- Lùi thì: will -> would

- Đổi ngôi: you -> he

- Tân ngữ: us -> them

- Tính từ sở hữu: our -> their

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*Câu tường thuật với Yes/No-question:

S + asked/ wanted to know/ wondered/... + (O) + if/ whether + S + V (lùi thì)

*Câu tường thuật với WH-question:

S + asked/ wanted to know/ wondered/... + (O) + WH-words + S + V (lùi thì)