（新教材）人教版(2019) 高一英语 必修第二册 Unit3 The InternetDiscovering Useful Structures-课件.pptx

1、Unit 3 The Internet Discovering Useful Structures Learning objectives In this class, you will 1. identify and summarize the form and the functions of the present perfect passive voice; 2. compare the present perfect passive voice with the active, and change the active form into the passive form; 3.

2、apply the present perfect passive voice to interpret the newspaper headlines and create a poem. How has the Internet changed our life? Much has been written about the wonders of the World Wide Web. Peoples lives have been changed by online communities and social networks. 1. Much has been written ab

3、out the wonders of the World Wide Web. 2. Peoples lives have been changed by online communities and social networks. 1. Much has been written about the wonders of the World Wide Web. 2. Peoples lives have been changed by online communities and social networks. 1. Much has been written about the wond

4、ers of the World Wide Web. 2. Peoples lives have been changed by online communities and social networks. Activity 1: Underline more sentences in the same usage. Activity 1: Underline more sentences in the same usage. Para. 3, P.28 Many people have been helped by the club. Activity 1: Underline more

5、sentences in the same usage. Para. 5, P.28 Jans life has been greatly improved by the Internet. Many people have been helped by the club. Jans life has been greatly improved by the Internet. Activity 1: Underline more sentences in the same usage. Many people have been helped by the club. Jans life h

6、as been greatly improved by the Internet. Activity 1: Underline more sentences in the same usage. 1. Much has been written about the wonders of the World Wide Web. 2. Peoples lives have been changed by online communities and social networks. 3. Many people have been helped by the club. 4. Jans life

7、has been greatly improved by the Internet. The Present Perfect Passive Voice 现在完成时被动语态现在完成时被动语态 Underline and compare the different verb forms. Active have/has + v-ed Passive have/has + been + v-ed Underline and compare the different verb forms. Active have/has + v-ed Passive have/has + been + v-ed

8、What are the similarities and the differences in meaning and function between the active and the passive forms? Active Passive EXAMPLES The Internet has greatly improved Jans life. Jans life has been greatly improved by the Internet. People have written much about the wonders of the World Wide Web.

9、Much EXAMPLES The Internet has greatly improved Jans life. Jans life has been greatly improved by the Internet. People have written much about the wonders of the World Wide Web. Much has been written about the wonders of the World Wide Web. 1.I have downloaded the software to help my phone battery l

10、ast longer. 2.Someone has lost an identity card. 3.Have you confirmed the Wi-Fi password? 4.Have you pressed the button yet to copy the file? 5.Has anyone made a comment about the online database? Activity 2: Change the sentences into the present perfect passive voice. The software has been download

11、ed to help my phone battery last longer. Activity 2: Change the sentences into the present perfect passive voice. 1. I have downloaded the software to help my phone battery last longer. 2. Someone has lost an identity card. Activity 2: Change the sentences into the present perfect passive voice. An

12、identity card has been lost. Has the Wi-Fi password been confirmed? Activity 2: Change the sentences into the present perfect passive voice. 3. Have you confirmed the Wi-Fi password? Has the button been pressed yet to copy the file? Activity 2: Change the sentences into the present perfect passive v

13、oice. 4. Have you pressed the button yet to copy the file? Has a/any comment been made about the online database? Activity 2: Change the sentences into the present perfect passive voice. 5. Has anyone made a comment about the online database? What are the similarities and the differences in meaning

14、and function between the active and the passive forms? Active Passive meaning convey a similar meaning What are the similarities and the differences in meaning and function between the active and the passive forms? Active Passive function The subject is doing an action to the object. The subject is

15、having something done to it. What are the similarities and the differences in meaning and function between the active and the passive forms? Active Passive It is more direct and often used. The doer of an action is the subject. The doer of an action is unknown, not important, or preferred not named.

16、 function Summary The Present Perfect Passive Voice 1. The experiment has been done successfully. 2. Toms novel has not been published. 3. Has his bike been repaired? 4. Who has been invited? have/has + been + v-ed The subject is having something done to it. The doer of an action is unknown, not imp

17、ortant, or preferred not named. (+) (-) (?) (?) Summary The Present Perfect Passive Voice 1. The experiment has been done successfully. 2. Toms novel has not been published. 3. Has his bike been repaired? 4. Who has been invited? have/has + been + v-ed The subject is having something done to it. The

18、 doer of an action is unknown, not important, or preferred not named. Understand the headline. EXAMPLE Government Done Much to Stop Cyberbullies EXAMPLE Government Done Much to Stop Cyberbullies Much has been done by the government to stop cyberbullies. Understand the headline. The subject is having

19、 something done to it. EXAMPLE E-library on School Websitefor Students An E-library for students has been set up on the school website. Understand the headline. The subject is having something done to it. set up 1. Boys Video Streamed over Two Million Times 2. 5 Records Broken Today 3. Intelligent S

20、earch Engine Designed for Teenagers 4. Theft of Large Amount of Cash from Small Bank 5. STUDENTS: 30% Discount on Smartphones Activity 3: Change the newspaper headlines into complete sentences as the example. 1. Boys Video Streamed over Two Million Times 2. 5 Records Broken Today 3. Intelligent Sear

21、ch Engine Designed for Teenagers 4. Theft of Large Amount of Cash from Small Bank 5. STUDENTS: 30% Discount on Smartphones Activity 3: Change the newspaper headlines into complete sentences as the example. 1. Boys Video Streamed over Two Million Times A boys video has been streamed over two million

22、times. Activity 3: Change the newspaper headlines into complete sentences as the example. 2. 5 Records Broken Today Five records have been broken today. Activity 3: Change the newspaper headlines into complete sentences as the example. 3. Intelligent Search Engine Designed for Teenagers An intellige

23、nt search engine has been designed for teenagers. Activity 3: Change the newspaper headlines into complete sentences as the example. 4. Theft of Large Amount of Cash from Small Bank A large amount of cash has been stolen from a small bank. Activity 3: Change the newspaper headlines into complete sen

24、tences as the example. (stolen) 5. STUDENTS: 30% Discount on Smartphones A 30% discount has been offered/given on smartphones for teenagers. Activity 3: Change the newspaper headlines into complete sentences as the example. (offered/given) The subject is having something done to it. Read the poem. A

25、ctivity 4: Write a similar poem. 1. Think about a subject. 2. List some actions/verbs connected to that subject. 3. Write a sentence with the present perfect passive voice. 4. Follow the same pattern or even create your own. beautiful & meaningful Look at the way the picture has been painted Listen

26、to the way the song has been written Look at the way the film has been made Now think about what you could create. Look at the way the needy have been helped Look at the way the river has been cleaned Look at the way the tree has been planted Now think how to make the world a better place. The sampl

27、e poem Reflect have/has + been + v-ed The subject is having something done to it. The doer of an action is unknown, not important, or preferred not named. the present perfect passive voice WHAT HOW WHEN Homework Complete the passage about the changes brought by the Internet with the correct forms of the words in brackets. P.34