Câu tường thuật - dạng câu kể 

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

S + said + (that) + S + V (lùi thì)

Câu tường thuật - dạng Wh-questions 

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

Câu tường thuật - dạng câu yêu cầu, mệnh lệnh

S + told / asked / said to + (O) + to V / not to V 

S + say(s) / tell(s) + that + S+ V (k lùi thì)

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if 1 --> If 2 

HTĐ --> QKĐ 

can --> could 

QKD --> QKHT 

will --> would 

should --> should 

must --> had to 

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1. He said that Agriculture couldn't be engaged in if there was no water.

2. She told me not to throw the wrapping paper away.

3. He says that water is needed for all vegetation to grow.

4. I asked Tim where he had spent his summer vacation.

5. They said that they could avoid using plastic water bottles.

6. Kelvin asked me how long I would be staying in New Zealand.

7. He said that they should take care of the environment all their life.

8. She said that the soil had to be saved from contamination.

9. My teacher told me to turn off the light before I left.

10. Anna asked Harry if he would stand up for her.

11. The president said that we could protect our environment. 

12. My mother told me to keep my room neat and clean.

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