giúp em với ạ mn ơi em cám ơn

`20,` He said that his sister was keen on reading books about sciences

- Lùi thì : HTĐ -> QKĐ

- Đổi ngôi : my -> his

`21,` Hoa said that her mother had given her a new bike on her birthday

- Lùi thì : QKĐ -> QKHT

- Đổi ngôi : my -> her; me -> her

`22,` John said that he hadn’t eaten any meat the day before

- Lùi thì: QKĐ -> QKHT

- Đổi ngôi : I -> he

- Đổi thời gian : yesterday -> the day before

`23,` She said that they would take park in the club the following week

- Lùi thì : will -> would

- Đổi ngôi : we -> they

- Đổi thời gian : next week -> the following week

`24,` The teacher said that all students had to wear uniforms

- Lùi thì : must -> had to

`25,` Jack said that his sister had give him a present on his birthday

- Lùi thì : QKĐ -> QKHT

- Đổi ngôi : my -> his; me -> him

________________________________________

`@` GT - Câu kể : S + said/told + (that) + S + V(lùi thì/đổi ngôi)

20. He said that his sister was keen on reading books about sciences

`->` HTĐ `->` QKĐ

21. Hoa said that her mother had given her a new bike on her birthday

`->` QKĐ `->` QKHT

22. John said that he hadn't eaten any meat the day before

`->` QKĐ `->` QKHT

`->` yesterday `->` the day before

23. She said that we would take part in the club the following week

`->` will `->` would

`->` next week `->` the following week

24. The teacher said that all students had to wear uniform

`->` must `->` had to

25. Tom said that he had worked in the factory since 2004

`->` HTHT `->` QKHT

26. Jack said that his sister had given him a present on his birthday

`->` QKĐ `->` QKHT

----------------------------

Câu gián tiếp (Cau ke): S + said/told + that + S + V(lùi thì)