$\text{1. }$The teacher said to Nam to come into his office. 

- Cấu trúc ( câu mệnh lệnh): S+ told/ said to + O+ to V.

$\text{2. }$They said to Mr Quang that they was going shopping that after noon.

- this => that

- Lùi thì: Hiện tại tiếp diễn => Quá khứ tiếp diễn

- Cấu trúc chung: S+ said to/ told+ O+ that+ S+ V(lùi thì) 

$\text{3. }$He said that his sister was a singer.

- Lùi thì: Hiện tại đơn => Quá khứ đơn.

- Cấu trúc chung: S+ said to/ told+ O+ that+ S+ V(lùi thì) 

$\text{4. }$She said that she would buy a new bike the next week.

- I => she

- Lùi thì: Tương lai đơn => Tương lai trong quá khứ.

- next week => The next week/ the following week.

- Cấu trúc chung: S+ said to/ told+ O+ that+ S+ V(lùi thì) 

$\text{5. }$Lan said that she didn't know what Mai was doing then.

- I => she

- Lùi thì: Hiện tại đơn => Quá khứ đơn

              Hiện tại tiếp diễn => Quá khứ tiếp diễn

- now => then

- Cấu trúc chung: S+ said to/ told+ O+ that+ S+ V(lùi thì) 

$\text{6. }$Tom asked if/where I was going to visit my aunt the next day.

- Lùi thì: Hiện tại tiếp diễn => Quá khứ tiếp diễn

- you => I

- tomorrow => the next day/ thư following day.

- Cấu trúc chung ( Yes- No question): S+ asked+ (O)+ if/whether+ S+ V(lùi thì)

`\text{# L}`

`1` The teacher told Nam to come into her office.

`-` dùng câu tường thuật dạng sai khiến.

`-` Form : S+told/asked +O +toV..

`-` S : the teacher ; O : Nam ; toV: to come

`-` my office -> her office 

`2` They told Mr Quang that they were going shopping that afternoon.

`-` dùng câu tường thuật dạng statement ( câu phát biểu )

`-` Form : S1+said/told+O +(that) +S1/2 +V(lùi thì )......

`-` said to = told

`-` S : they ; O : Mr Quang

`-` lùi về QKTD : S+were/was +Ving..

`3` He said that his sister was a singer.

`-` dùng câu tường thuật dạng statement ( câu phát biểu )

`-` Form : S1+said/told+O +(that) +S1/2 +V(lùi thì )......

`4` She said that she would buy a new bike the week after.

`-` dùng câu tường thuật dạng statement ( câu phát biểu )

`-` Form : S1+said/told+O +(that) +S1/2 +V(lùi thì )......

`-` I -> she

`-` will-> would

`-` the next week -> the week after.

`5` Lan said that she didn't know what Mai was doing then.

`-` dùng câu tường thuật dạng statement ( câu phát biểu )

`-` Form : S1+said/told+O +(that) +S1/2 +V(lùi thì )......

`-` I-> she

`-` lùi về QKĐ : S+didn't+V0 

S+V2/ed

`-` is doing -> was doing ( lùi thì luôn )

`-` now -> then.

`6` Tom asked me if I was going to visit my aunt the day after.

`-` dùng câu tường thuật dạng câu hỏi yes/no.

`-` Form : S+asked/wonder +O +if/whether+ S+V(lùi thì )...

`-` tomorrow -> the day after

`-` you -> I

`-` your-> my

`-` lùi về QKTD : S+were/was+Ving....