13. PASSIVE VOICE A. Multiple choice: 1. The telephone ______________ by Alexander Graham Bell. A. invented B. is inventing C. be invented D. was invented 2. Mr. Pike ____________the most famous archaeologist in our city. A. says to be B. is said to be C. is said that C. said to be 3. Many people believe that God created the world. A. It believes that God created the world. B. The world is believed God created. C. God is believed to create the world. D. God is believed to have created the world. 4. _________to be the richest man in the USA. A. Bill Gates B. Bill Gates says C. Bill Gates is D. Bill Gates is said 5. John is said to have been stolen the money. A. It is said that John steals the money. B. It is said that John was stolen money. C. People said John was stolen the money D. People say that John steals the money 6 . It is said that many people are homeless after the floods. A. Many people say to be homeless after the floods. B. Many people said are homeless after the floods. C. Many people are said to be homeless after the floods. D. Many people are said to have been homeless after the floods. 7. They think visiting the pyramids is interesting. A. The pyramids are thought interesting to be visited. B. It is thought the pyramids are visited interesting. C. Visiting the pyramids is thought to be interesting. D. Visiting the pyramids is thought to have been interesting. 8. The skyscraper is said to have been built in 1930. A. They said the skyscraper was built in 1930. B. It was said that the skyscraper was built in 1930. C. They are said the skyscraper is built in 1930. D. It is said that the skyscraper was built in 1930. 9. They predict that a heavy storm will come in the area. A. A heavy storm is predicted to have come in the area. B. It is predicted that a heavy storm would come in the area. C. A heavy storm is predicted to come in the area. D. It is predicted that a heavy storm came in the area. 10. _________how the ancient Egyptian carried such heavy blocks of stone. A. People do not know B. People have not been known C. It has not known D. It has not known 11. John ______________The Great Pyramid of Giza. A. said to have been visited B. is said to have visited C. is said to have been visited D. said to have visited. 12. People say that six out of the seven wonders of the ancient world were destroyed. A. It was said that six out of the seven wonders of the ancient world were destroyed. B. Six out of the seven wonders of the ancient world were said to be destroyed. C. Six out of the seven wonders of the ancient world are said to have destroyed. D. Six out of the seven wonders of the ancient world are said to have been destroyed. 13. It is bel i eved that a buried treasure was hidden in the tomb. A. They bel i eved that a buried treasure was hidden in the tomb. B. A buried treasure is believed that was hidden in the tomb. C. A buried treasure is believed to hide in the tomb. D. A buried treasure is believed to have been hidden in the tomb. 14. George ____________another trip to Greece. A. is said to be planned B. said to be planned C. said to be planning D. is said to be planning 15. _____________ some precious things stolen from that ancient tomb. A. People knew that he buys B. It was known that he has bought C. They knew that he has bought D. They know that he bought 16. The X-ray____________ in 1895. A. is said to have been discovered B. is said to be discovered C. said to have been discovered D. said to discover 17. Beethoven’s Fifth Symphony______________ next weekend. A. is going to be performed B. has been performed C. will be performing D. will have performed 18. I hate_____________ personal questions by newly-acquainted friends A. to be asking B. be asked C. being asked D. of asking 19. Reagan__________ an actor years ago. A. is said to be B. was said being C. was said have been D. is said to have been 20. It__________ that learning a foreign language__________ a lot of time. A. says / is taken B. is saying / has been taken C. is said / takes D. was said / was taken. 21. The trees________________. A. were grown by John yesterday in the backyard B. were grown in the backyard yesterday by John C. were grown in the backyard by John yesterday D. in the backyard were grown yesterday by John 22. __________________yet? A. Have the letters been typed B. Have been the letters typed C. Have the letters typed D. Had the letters typed 23. English has become a second language in some countries where __________for administration, broadcasting and education. A. is used B. it is used C. used D. being used 24. ___________ the room been cleaned yet? A. Have B. Has C. Did D. Was 25. Lots of houses_____________ by the earthquake. A. are destroying B. destroyed C. were destroying D. were destroyed 26. In the US, the first stage of compulsory education ________ as elementary education. A. to be generally known B. is generally known C. generally known D. is generally knowing 27. Education_________ to be the most important element to develop a country. A. often be considered B. can often consider C. often considers D. can often be considered 28. Portuguese___________ as an official language in this city for three hundred years. A. has always been spoken B. has been spoken always C. has always spoken D. had always spoken 29. More than ten victims____________ missing in the storm last week. A. are reported to be B. are reported to have been C. are reporting to have been D. are reporting to be. 30. This car_____________________. A. was manufactured in Japan by Toyota last year. B. was manufactured by Toyota in Japan last year. C. was manufactured last year in Japan by Toyota. D. last year was manufactured in Japan by Toyota. 31. I have my teeth checkin g by the dentist . A B C D 32. These pills should be take every four hour s. A B C D 33. The letter should been delivered in the afternoo n. A B C D 34. The mail has sen t to the wrong address . A B C D 35. They were q uestioning by the police . A B C D B. Writing: People say that prevention is better than cure. à It ------------------------------------------------------------------------------------------------ People suppose that Michael eats spiders. à Michael ----------------------------------------------------------------------------------------- It is expected that the strike will end soon. à The strike -------------------------------------------------------------------------------------- The manager must sign the cheque. à The cheque ------------------------------------------------------------------------------------- They haven’t seen their younger son for three weeks. à The younger son ------------------------------------------------------------------------------- They asked me some questions at the interview. à I --------------------------------------------------------------------------------------------------- Nobody told me about the meeting. à I wasn’t ---------------------------------------------------------------------------------------- Have you fed the chickens yet? à Have the chickens --------------------------------------------------------------------------- They didn’t give me the information I needed. à I ------------------------------------------------------------------------------------------------ I never hear him shout at the children. à He ------------------------------------------------------------------------------------------------ My parents made me learn harder for the final test. à I ------------------------------------------------------------------------------------------------- No one has used that door for 20 years. à That door --------------------------------------------------------------------------------------- They showed his photograph on television. à His photograph ------------------------------------------------------------------------------- I don’t want people to make me a fool. à I don’t want to --------------------------------------------------------------------------------- She dislikes people shouting at her. à She dislikes being --------------------------------------------------------------------------

Đỗ Văn Hạnh

Để chuyển câu từ dạng chủ động sang dạng bị động, chúng ta cần thực hiện các bước sau:

1. Xác định chủ ngữ và vị ngữ trong câu chủ động.
2. Di chuyển vị ngữ trở thành chủ ngữ trong câu bị động.
3. Thêm động từ "to be" ở thì tương ứng sau vị ngữ đã di chuyển.
4. Thay đổi động từ thành quá khứ phân từ nếu cần.
5. Thêm bởi giới từ khi cần.

Ví dụ:
Câu chủ động: They think visiting the pyramids is interesting.
Chuyển sang câu bị động: Visiting the pyramids is thought to be interesting.

Hoặc:

1. Xác định chủ ngữ: They
2. Di chuyển vị ngữ: visiting the pyramids
3. Thêm động từ "to be": is
4. Thay đổi động từ: think -> thought
5. Thêm bởi giới từ: to be

Với câu hỏi trên, chúng ta sẽ chuyển từ dạng động từ chủ động sang bị động. Dưới đây là các câu trả lời cho mỗi câu hỏi:

1. The telephone was invented by Alexander Graham Bell.
2. Mr. Pike is said to be the most famous archaeologist in our city.
3. God is believed to have created the world.
4. Bill Gates is said to be the richest man in the USA.
5. John is said to have stolen the money.
6. Many people are said to be homeless after the floods.
7. Visiting the pyramids is thought to be interesting.
8. It is said that the skyscraper was built in 1930.
9. A heavy storm is predicted to come in the area.
10. People do not know how the ancient Egyptians carried such heavy blocks of stone.
11. John is said to have visited The Great Pyramid of Giza.
12. Six out of the seven wonders of the ancient world are said to have been destroyed.
13. A buried treasure is believed to have been hidden in the tomb.
14. George is said to be planning another trip to Greece.
15. They know that some precious things were stolen from that ancient tomb.
16. The X-ray is said to have been discovered in 1895.
17. Beethoven’s Fifth Symphony will be performed next weekend.
18. I hate being asked personal questions by newly-acquainted friends.
19. Reagan is said to have been an actor years ago.
20. It is said that learning a foreign language takes a lot of time.
21. The trees were grown in the backyard by John yesterday.
22. Have the letters been typed yet?
23. English is used for administration, broadcasting, and education in some countries.
24. Has the room been cleaned yet?
25. Lots of houses were destroyed by the earthquake.
26. In the US, the first stage of compulsory education is generally known as elementary education.
27. Education is often considered the most important element to develop a country.
28. Portuguese has always been spoken as an official language in this city for three hundred years.
29. More than ten victims are reported to have been missing in the storm last week.
30. This car was manufactured in Japan by Toyota last year.
31. I have my teeth checked by the dentist.
32. These pills should be taken every four hours.
33. The letter should have been delivered in the afternoon.
34. The mail has been sent to the wrong address.
35. They were questioned by the police.

Đây là cách làm và các câu trả lời cho câu hỏi về chuyển đổi câu từ dạng chủ động sang dạng bị động. Bạn có thể tiếp tục thực hành để củng cố kiến thức về cấu trúc câu bị động trong tiếng Anh.