被动语态
（1）含有情态动词的被动语态
We can repair this watch in two days.
→This watch can be repaired in two days.
They should do it at once.
→It should be done at once.
（2）特殊情况
1.He made the boy work for two hours yesterday.
→The boy was made to work by him for two hours yesterday.
2.Mother never lets me watch TV .
→I am never let to watch TV by mother.
3.Jack gave Peter a Christmas present just now.
→（1）A Christmas present was given to Peter by Jack just now.
→（2）Peter was given a Christmas present by Jack just now.
常见的句型结构：
It is(was)agreed(believed/decided/hoped/thought......）that......大家同意（相信、决定、希望、认为）...... It is(was)well known that......众所周知
It is(was)taken for granted that......被视为当然
It must be remembered that......务必记住......
It mustn’t be forgotten that......千万别忘记......
It is(was)said(reported，heard，told，suggested)that......据说(报道、听说、告知、建议......)
二、典型例题
（）1．The Olympic Games ___________every four years.
A are held
B were held C．are holding D．will ho1d
（）2. In the art show，a lot of enjoyment _ _to foreign friends by the Chinese paintings．A．is giving B is given C will give D has given （）3. Today Chinese is becoming more and more popular. It _________in. many schools around the world.
A. teaches
B. is teaching
C. has taught
D. is taught （）4. Ba Jin, one of the greatest writers in China, ________as "People's Writer".
A. is regarded
B. has regarded
C. is regarding
D. regards
（）5. Usually computers _________to search the Internet.
A. use
B. are using
C. are used
D. used
（）6. --Do you often clean your classroom?
--Yes. Our classroom __________every day.
A. clean
B. cleans
C. is cleaned
（）7.一Did you hear that water in Tai Lake smelt terrible?
一Yes．In fact，it ____.That's all because of the people and the factories around．
A．polluted B was polluted C has polluted D．was po11ute （）8. --Our environment is getting worse than before.
--You're right. But thanks to Earth Day_______, people have done more and more useful things to protect(保护)the earth since Earth Day.
A. is started
B. was started
C. has started
（）9. ---I feel very happy that I ____to be the host. ---Congratulations!
A. choose
B. am chosen
C. was chosen
D. haven chosen
（）10. Many trees and flowers ______ in our school last year，and they made our school a beautiful garden．A．plant B．planted C．have planted D．were planted
（）11.Some famous paintings __________in the hall next week.
A. will show
B. were shown
C. is shown
D. will be shown （）12. A talk on developments in science and technology in the school hall next week .
A. given
B. will be given
C. has been given
D. gives
（）13.---Great changes have taken place in this city.
---Right. Many modern tall buildings have been ______ these days.
A. turned up
B. put up
C. shown up
D. fixed up
（）14.Twelve-year-olds should not to drive in China.
A. allow
B. be allow
C. allowed
D. be allowed
（）15. —Do you often clean your classroom?
—Yes, our classroom ______ every day.
A. clean
B. cleans
C. is cleaned
D. Cleaned
三、课后练习
（）1．—Susan, why are you still here? They are all ready to start.
–I’m sorry, but I _____ when to meet.
A. don’t tell
B. didn’t tell
C. haven’t told
D. wasn’t t old
（）2．Many old houses around our school ____ next year and a large green area will appear.
A. pull down
B. will be pulled down
C. will pull down
D. are pulled down （）3．--- My watch ______.
--- Don’t worry. Let’s go to the Lost & Found.
A. is lost
B. is broken
C. has found
D. has stopped （）4．---Did you go to Sam’s weekend party?
---No, I___________.
A. am not invited
B. wasn’t invited
C. haven’t invited
D. didn’t invite
