1.⇒ The teacher told Tim to come into his office

2.⇒ Their mother told them not to make so much noise

3.⇒ The traffic policeman asked me to show him my driving license

4.⇒  Mrs. Jackson asked Tim to give him a hand

5.⇒ Lan said she would be very busy the following day

6.⇒ Thu said all the students would have a meeting the following week

7.⇒ Tam said she could swim across that river

8. ⇒His sister said he didn't buy that book

9.⇒ Lan asked me if I was Mrs. Lien's student

10.⇒ Phong asked Peter if he enjoyed reading book

11.⇒ Hoa asked Lan if she liked sports

12.⇒Phong asked his teacher if the students in grade 9 would have their final exam in May

`->`

`1.` The teacher told Tim to come into his office.

`2.` Their mother told them not to make so much noise.

`3.` The traffic policeman asked me to show him my driving license.

`4.`  Mrs. Jackson asked Tim to give him a hand.

`5.` Lan said she would be very busy the following day.

`6.` Thu said all the students would have a meeting the following week.

`7.` Tam said she could swim across that river.

`8.` His sister said he didn't buy that book.

`9.` Lan asked me if I was Mrs. Lien's student

`10.` Phong asked Peter if he enjoyed reading books

`11.` Hoa asked Lan if she liked sports

`12.` Phong asked his teacher if the students in grade 9 would have their final exam in May.

Giải thích:

 Câu trần thuật:

S + V :"S + V + O" 

`->` S+ said/told O +That + S + V(lùi thì)

Yes / No questions :

S + asked/said (+O) " Trợ V + S +O?"

`->` S + asked/said (+O) + If/whether + S + V(lùi thì)