(课件网) Unit 3 The Internet Period 3 Discovering Useful Structures Lead － in Can you find more sentences in passive voice in this module 课前自主预习 New words battery Wi-Fi button file They′ve built a kind of new PC with more functions. function as Have you confirmed the Wi-Fi password confirm sb in sth Have you pressed the button yet to copy the file pressure n. Let′s play 1. Before use，the _____ must be charged. 2. We have developed a new type of software with many _____(function). 3. I called the airport _____(confirm) my flight reservation a week before I left for Beijing. battery function to confirm 4. In recent years，stress has been regarded as a cause of a whole range of medical problems，from high blood _____(press) to mental illness. 5. I selected a _____(文件) and _____(按) the delete key. pressure file pressed 课文呈现 Talk about something that has been done 1 Read the pairs of sentences. Underline and compare the different verb forms. Jan′s life has been greatly improved by the Internet. Much has been written about the wonders of the World Wide Web. The Internet has greatly improved Jan′s life. People have written much about the wonders of the World Wide Web. How do we from the present perfect passive voice Fill the blank. Verb form have/has ＋ v-ed _____ Active Passive have/has been＋v-ed 2 Change the sentences into the present perfect passive voice. They′ve built a kind of new PC with more functions. → A kind of new PC has been built with more functions. EXAMPLE 1 I have downloaded the software to help my phone battery last longer. The software has been downloaded to help my phone battery last longer. 2 Someone has lost an identity card. An identity card has been lost. 3 Have you confirmed the Wi-Fi password Has the Wi-Fi password been confirmed 4 Have you pressed the button yet to copy the file Has the button been pressed yet to copy the file 5 Has anyone made a comment about the online database？ Has a/any comment been made about the online database Find out the differences in meaning and function between the active and passive forms. 3 Read the poem. Look at the way your face has been washed Look at the way your teeth have been brushed Look at the way your shoes have been cleaned You′d better do them again. Look at the way the flowers have been planted Look at the way the grass has been cut Look at the way the paths have been swept I hope that you′ll come here again. Then think of your own situation and write a similar poem. Look at the way the picture has been painted Listen 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. 考点精讲 The present perfect passive voice 以 ask 为例 肯定式 I have He/She/It has We have You have Th ... ...
