Đặt câu trực tiếp ở các thì và đổi lại:

*Thì hiện tại đơn :

- He asked, "Do I have to do it?"

-> He asked if he had to do it.

* Thì hiện tại tiếp diễn :

- "Are you going to the cinema?" he asked me.

-> He wanted to know if I was going to the cinema.

* Hiện tại hoàn thành :

"Has Caron talked to Kevin?" my friend asked me. 

->  My friend asked me if Caron had talked to Kevin.

* Thì quá khứ đơn :

-  “ Did Mr Brown send the potatoes to you?” she asked.

-> She asked whether/ if Mr. Brown sent the potatoes to me.

* Thì quá khứ tiếp diễn:

- He said ;'' They were doing homework at 7.pm ''

->He said they had been doing homework at 7 p.m

* Thì tương lai đơn

- “Breakfast will not be served after 9. 30” said the notice.

->The notice said that breakfast would not be served after 9.30.

* Thì tương lai tiếp diễn

-  ''I will be having breakfast at 7 a.m tomorrow ;; said Lia

-> LIa said she would be having  breakfast at 7 a.m the next day

Hiện tại đơn:

Bill asked" Do you go to school today?"

-> Bill asked me if I went to school that day
Hiện tại tiếp diễn:
My teacher asked " Are you doing your homework?"

-> My teacher asked me if I was doing my homework.
Hiện tại hoàn thành: 

My father asked " Have you finished your housework yet?"

-> My father asked me if I had finished my homework yet.
Quá khứ đơn:

She sai:d " I was at school yesterday."

-> She said that she had been at school the previous day

Quá khứ tiếp diễn:

John said: "I were going to the theater at 6 P.M"

-> John said that he had been going to the theater at 6 P.M

Tương lai đơn:
My mother asked " Will you go to school tomorrow?"

-> My mother wanted to know if I would go to school the following day.

Tương lai gần:

She said " I am going to have a party"

-> She said she was going to have a party.