`1.` My friend said he had collected all the documents for people before his boss had required.

`-` Câu tường thuật `-` Dạng câu kể : S + said / told + O + ( that ) + S + V ( lùi thì ).

`-` Lùi thì : quá khứ đơn `->` quá khứ hoàn thành.

`-` Đổi ngôi : I `->` he.

`2.` The man told the woman that he would explain the reason to her about the plan a few days later.

`-` Câu tường thuật `-` Dạng câu kể : S + said / told + O + ( that ) + S + V ( lùi thì ).

`-` Lùi thì : will `->` would ( tương lai trong quá khứ ).

`-` Đổi ngôi : I `->` He .

`3.` Lan asked Tuan that he hadn't finished all the tasks for her to check at the office.

`-` Câu tường thuật `-` Dạng câu kể : S + said / told + O + ( that ) + S + V ( lùi thì ).

`4.` The teacher told me that the homework had to be done carefully before class.

`-` Câu tường thuật `-` Dạng câu kể : S + said / told + O + ( that ) + S + V ( lùi thì ).

`5.` He told to my sister that he had done his homework before she had came.

`-` Câu tường thuật `-` Dạng câu kể : S + said / told + O + ( that ) + S + V ( lùi thì ).

`-` Lùi thì : quá khứ đơn `->` quá khứ hoàn thành.

`-` Đổi ngôi : I `->` He .

`1. `My friend said he had collected all the documents for people before his boss had required.
`2. `The man told the woman that he would explain the reason to her about the plan a few days later.

`3.`Lan told Tuan that he hadn't finished all the tasks for her to check at the office.

`4. `The teacher told me that the homework must be done carefully before class.

`5. `He said he had done her homework before she had come.

- Câu tường thuật:

-> Câu kể :

S + said (that) + S + V (lùi thì)

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

-> Yes/No - question:

S + asked/ wanted to know/ wondered + (O) + if/ whether + S + V (lùi thì)

-> WH-words:

S + asked/ wanted to know/ wondered + (O) + WH-words + S + V (lùi thì)

Thì hiện tại đơn =>Thì quá khứ đơn

Thì hiện tại tiếp diễn => Thì quá khứ tiếp diễn

Thì quá khứ đơn =>  Thì quá khứ hoàn thành

Thì quá khứ tiếp diễn => Thì quá khứ hoàn thành tiếp diễn

Thì hiện tại hoàn thành => Thì quá khứ hoàn thành

Thì hiện tại hoàn thành tiếp diễn => Thì quá khứ hoàn thành tiếp diễn

Can => could

May => might

Must =>  must/had to

*Đổi ngôi:

-> Đại từ nhân xưng

I => He, She

We => They

You => I, we

-> Đại từ sở hữu

Mine =>  His, her

Ours => Theirs

Yours => Mine, ours

-> Tính từ sở hữu

My =>His, her

Ours => Their

Your => My, our

-> Tân ngữ

Me => Him, her

Us => Them

You =>Me, us