chuyển từ câu trực tiếp sang câu gián tiếp

`13.` Hanh said that she didn't like that book.

`-` Câu tường thuật : S + said + that + S + V(lùi thì)

`-` Lùi thì : HTD `->` QKD

`14.` Lan said to Hoa that she had to go home then.

`-` Lùi thì : HTD `->` QKD

`-` Câu tường thuật : S + said + to O + that + S + V(lùi thì)

`15.` Binh told Lan that he couldn't help her that night.

`-` Câu tường thuật : S + told + O + that + S + V(lùi thì)

`-` Lùi thì : can `->` could ( dạng QK )

13. Hanh said that she didn't like that book.

      Present simple  → Past simple 

      this → that

14. Lan said that she had to go home then.

      have to  → had to  ( modal verb)

      now → then 

15. Binh told Lan he couldn't help her that night.

      can't  → couldn't   ( modal verb)

      tonight → that night