`16`. He asked Lan where he would be the next day.

* Câu tường thuật với WH-question : S + asked/ wanted to know/ wondered/... + (O) + WH-word + S + V (lùi thì)

- Đổi ngôi : I `->` he

- Lùi thì : will `->` would

- Trạng từ : tomorrow `->` the next day/ the following day

`17`. I asked my mother how much she had paid for that shirt.

- Đổi ngôi : you `->` she

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

- this `->` that

`18`. The mother asked her son who had given him some money.

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

- Tân ngữ : you `->` me

`19`. The teacher aske why I had been late for school the morning before.

- Đổi ngôi : you `->` I

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

- yesterday morning `->` the morning before/ the previous morning

`20`. My sister asked me whose car he borrowed that day.

- Hiện tại đơn `->` Quá khứ đơn

- today `->` that day

$Answer:$ 

`16.` He asked Lan where he would be the next day.

`17.` I asked my mother how much she had paid for that shirt.

`18.` The mother asked her son who had given him some money.

`19.` The teacher asked me why I had been late for school the previous morning.

`20.` My sister asked me whose car he borrowed yesterday.

$Explain:$

`@` Câu trần thuật gián tiếp có từ để hỏi:

S + asked + somebody + WH-question/How + S(chuyển ngôi nếu cần) + V(chuyển thì).

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