1. The teacher always welcomes new student.\(\rightarrow\) 2. People speak E all over the world\(\rightarrow\) 3.Thomas Edison invented the phonograph in 1877\(\rightarrow\) 4. The police found two children in the forest\(\rightarrow\) 5. They will send your order as soon as possible\(\rightarrow\) 6. The scientists are studying the problem carefully\(\rightarrow\) 7. Pat Murphy was riding the horse\(\rightarrow\) 8. The police have just arrested the robbers\(\rightarrow\) 9. Sue told us she had born her baby\(\rightarrow\) 10. They can use this room sfter 5 p.m\(\rightarrow\) 11. He spoke French very fluently\(\rightarrow\) 12. They sell many goods in this market\(\rightarrow\) 13. We learn a lot of subjects at school\(\rightarrow\) 14. Minh rode his bike to school\(\rightarrow\) 15. My neighbor planted trees in his garden\(\rightarrow\)  

Để trả lời cho các câu hỏi trên, chúng ta cần chuyển từ câu đề bài sang dạng câu trả lời bằng cách sử dụng cấu trúc đảo ngữ hoặc thay đổi thì của động từ hoặc thay đổi từ loại.

Ví dụ:

1. The teacher always welcomes new student. \(\rightarrow\) New students are always welcomed by the teacher.
2. People speak E all over the world. \(\rightarrow\) English is spoken all over the world.
3. Thomas Edison invented the phonograph in 1877. \(\rightarrow\) The phonograph was invented by Thomas Edison in 1877.

Như vậy, các câu trả lời cho các câu hỏi trên có thể được viết như sau:

4. The police found two children in the forest. \(\rightarrow\) Two children were found in the forest by the police.

5. They will send your order as soon as possible. \(\rightarrow\) Your order will be sent as soon as possible by them.

6. The scientists are studying the problem carefully. \(\rightarrow\) The problem is being studied carefully by the scientists.

7. Pat Murphy was riding the horse. \(\rightarrow\) The horse was being ridden by Pat Murphy.

8. The police have just arrested the robbers. \(\rightarrow\) The robbers have just been arrested by the police.

9. Sue told us she had born her baby. \(\rightarrow\) We were told by Sue that her baby had been born.

10. They can use this room after 5 p.m. \(\rightarrow\) This room can be used after 5 p.m. by them.

11. He spoke French very fluently. \(\rightarrow\) French was spoken very fluently by him.

12. They sell many goods in this market. \(\rightarrow\) Many goods are sold in this market by them.

13. We learn a lot of subjects at school. \(\rightarrow\) A lot of subjects are learned at school by us.

14. Minh rode his bike to school. \(\rightarrow\) His bike was rode to school by Minh.

15. My neighbor planted trees in his garden. \(\rightarrow\) Trees were planted in his garden by my neighbor.

They will send your order as soon as possible => Your order will be sent as soon as possible.

The police found two children in the forest => Two children were found in the forest by the police.

Thomas Edison invented the phonograph in 1877 => The phonograph was invented by Thomas Edison in 1877.

People speak E all over the world => English is spoken all over the world.