Unit3 The Internet Discovering Useful Structures 现在完成时被动语态课件 2023-2024学年高一英语人教版必修第二册

Present Perfect Passive Voice （现在完成时的被动语态） 高一英语 授课人： 李洪英 江西省丰城市第九中学 1 Lead-in 1 Grammar Learning 2 Exercise 3 Summary 4 Contents Contents 2 1 Lead-in 3 Jan's story present perfect passive voice （现在完成时的被动语态） What 2 Grammar Learning 6 present perfect passive voice 3.Jan's life has been greatly improved by the Internet. 2.Their lives have been changed by Jan. 3.The Internet has greatly improved Jan's life. 2.Jan has changed their lives. 1.The club has helped many people. Underline and compare the different verb forms. Verb form Active: Passive: have/has done have/has been done 1.Many people have been helped by the club. present perfect active voice How 7 Examples 1.The Internet has greatly improved Jan’s life. 2.People have written much about the wonders of the World Wide Web. Jan's life has been greatly improved by the Internet. Much has been written about the wonders of the World Wide Web. When object 1.the subject is having something done to it 2.the doer of an action is unknown,or not important,or perferred not named. similar meaning doing an action having something done to it subject the doer of an action is not necessarily mentioned subject Similarities and differences in meaning and function 1 2 1 2 convey a similar meaning the subject is doing an action to the object often used as they are more direct the subject is having something done to it often used when the doer of an action is unknown,or not important,or perferred not named Active Passive 3 Exercise 10 Exercise 1. I have downloaded the software to help my phone battery last 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? The software has been downloaded to help my phone battery last longer. An identity card has been lost. Has the Wi-Fi password been confirmed? Has the button been pressed yet to copy th