3. Lead-in Are you familiar with these computers? Can you call them? palmtop laptop/ notebook desktop PC

4. WW PC WW PC wrist-worn/wearable PC A wrist-worn PC has been invented recently. A pen-like computer has already been developed.

5. The houses have been destroyed by the storm.

6. Can you make more sentences, using Can you make more sentences, using “have/has been done “? “have/has been done “?

7. Lots of beautiful flowers and trees have been planted. A new bridge has been completed.

8. 1.As the year have gone by, I have been made smaller and smaller. 2. A wrist-worn PC has been invented recently. 3. Many new buildings have been built in TianTai since 1990. 4. A new library has already been built in TianTai High school. 5.The houses have been destroyed by the storm. 6.Several soldiers have already been killed in the conflict. Do the underlined parts have something in common? Discovering:

9. 1 构成： 主动语态 被动语态 现在完成时 have/has done He has been sent to study the new technology in the company. The dirty clothes have not been washed. Have the windows been cleaned? How many shopping centers have been built in this city? The Present Perfect Passive Voice （现在完成时的被动语态） have/has been done Learning the structure:

10. 2. 只有及物动词才有被动语态，不及物动词 （词组）没有被动语态, 如 :happen, take place, die, appear, disappear, fail, remain, lie, last, sit, stand, break out, come true, belong to 等．如： What has happened to your brother? 3 ．但许多不及物动词加介词或副词构成的短语 动词，相当于及物 动词，也可以有被动语态。 但短语动词是一个不可分割的整体，变为被动 语态时，不可丢掉构成短语的介词或副词。如： eg 1) The child has been taken good care of by Grandma Wang all these years. A notice has been put up on the wall.

11. Example: I have read this book many times. This book has been read many times. 1. We have completed all the preparations for the task, and we’re ready to start. 2. This company has produced new types of computers. 3. They have interviewed several teachers for the job. 4. George has sent some texts and pictures to his friend’s cellphone. 5. They have developed some programmes for the human resource department of their company. 1. Change the following sentences into the Present Perfect Passive Voice. Practice :

12. 2. Change the following sentences into the Present Perfect Passive Voice. Put the verbs into correct form. Recently we have bought a new personal computer. We have used the computer every day since we bought it. We have just joined our computer to the Internet. However, we have found many problems with it. So we have decided to ask a professional man to fix it. Soon he has fixed the computer. He has built a PC way we wanted. How excited we are! These days we have written a lot of E-mails on the computer. We have decided to write a report about the positive and the negative effects of using computers.

13. 1.---What’s happening in the new area? ---New houses_______ recently over there. A. are built B. built C. have built D. have been built 2. This is a photo of the power station that______ in my hometown. A. has set up B. has been set up C. was set up D. is set up 3. There is a police car in front of our neighbor’s house. What do you suppose _______? A. did happen B. has happened C. is happen D. has been happened D B B Exercises : Choose the best answers

14. 5. Every possible means _______ to prevent the air pollution, but the sky is still not clear. A.is used B. are used C. has been used D. have been used 6. No permission _______ for anyone to enter the Building. A.has been given B. has given C.has to give D. has been giving 7. The police found that the house _______ and a lot of things _____. A. has broken into; has been stolen B. had broken into; had been stolen C. has been broken into; stolen D. had been broken into; stolen C A D

15. 8. All the preparations for the project _______, And we’re ready to start. A.completed B. had been completed C. complete D. have been completed 9. Great changes ________ in the city, and a lot of factories ________. A. have been taken place ; have been set up B. have taken place; have been set up C. have taken place; have set up D. were taken place; were set up 10.The book ________ under the bench for two days. A. has put B has been lying C. has been put D. has been laid D B B

16. 1. ---How long _____ at this job? --- Since 1990. A. were you employed B. have you been employed C. had you been employed D. will you be employed 2.When and where to go for the on-salary holiday ___yet. (2003 上海春季 ) A. are not decided B. have not been decided C. is not being decided D. has not been decided 3. All the preparations for the task___, and we’re ready to start. (2000 北京春季 ) A. completed B. complete C. had been completed D. have been completed B D 高考链接 : D

17. What has been decided Example: S1: It has been decided that those who do not do heir homework will be asked to return to school on Saturday. S2:It has been decided that those who keep the classroom tidy should be allowed to go home early everyday. S3:It has been decided … S4: … Get into groups of four. Your task is to decide what has been decided for the class.Take turns to make the ideas as interesting or as lively as you can. Collect the ones you all like best and be prepared to tell them to the class. Play a game: