`16.` John said (that) he had finished studying his lesson.

`-` Hiện tại hoàn thành `->` Quá khứ hoàn thành

`17.` Mary siad to John (that) she could not go to the movies with him.

`-` can not `->` could not

`18.` Mary said to her friend (that) she should expect to see them next Wednesday.

`-` shall `->` should

`19.` He said (that) he didn't know what happened.

`-` Hiện tại đơn `->` Quá khứ đơn

`20.` She said (that) she had gone to the doctor the day before.

`-` Quá khứ đơn `->` Quá khứ hoàn thành

`-` yesterday `->` the day before

`21.` She asked where her umbrella was.

`22.` Martin asked us how we were.

`23.` He asked if he had to do it.

`24.` The mother asked her daughter where she had been.

`25.` She asked her boyfriend which dress he liked best.

________________________________________________________

Cấu trúc câu tường thuật:

`-` Với kiểu câu khẳng định và phủ định:

S + said (to)/ told + (O) + (that) + S + V(lùi thì)

`-` Với dạng Yes/ No -question:

S + asked + (O) + if/whether + S + V(lùi thì)

`-` Với dạng WH-question:

S + asked + (O) + WH-words + S + V(lùi thì)

$\text{- Cấu trúc câu trần thuật: }$

- Dạng Wh- questions: S+ asked/ told/...+ O+ Wh- question+ S+ V(lùi thì)

- Dạng Yes- No questions: S+ asked/ told/...+ O+ if/whether+S+V(lùi thì)

- Dạng câu kể: S+ asked/ told/...+O+ (that)+S+V(lùi thì)

$\text{1. }$John said that he had finished studying his lesson.

Hiện tại hoàn thành => Quá khứ hoàn thành

$\text{2. }$Mary said to John that she couldn't go to the movies with him .

Can => Could

$\text{3. }$Mary said to her friend that she would expect to see her the next Wednesday.

shall => would

$\text{4. }$He said that he didn't know what happened.

Hiện tại đơn => Quá khứ đơn

$\text{5. }$She said that she had gone to the doctor the day before.

- Quá khứ đơn => Quá khứ hoàn thành

$\text{6. }$She asked where her umbrella was. 

Hiện tại đơn => Quá khứ đơn

$\text{7. }$Martin asked us how we were.

Hiện tại đơn => Quá khứ đơn.

$\text{8. }$He asked if/whether he had to do it.

Hiện tại đơn => Quá khứ đơn

$\text{9. }$The mother asked her daughter where she had been.

Hiện tại hoàn thành => Quá khứ hoàn thành

$\text{10. }$She asked her boyfriend which dress he liked best.

Hiện tại đơn => Quá khứ đơn