(课件网) Present Perfect Passive Voice （现在完成时的被动语态） 高一英语 Observing and discovering Activity 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 form the present perfect passive voice have/has been + v-ed Observing and discovering Activity 1: Read the pairs of sentences. Underline and compare the different verb forms. How do we form the present perfect passive voice Verb form Active Passive have/has + v-ed Discussion: What aspects in your life have been changed since the appearance of the Internet Observing and discovering Before After Transport Reading Payment Entertainment ... Talk about something that has been done 现在完成时的被动语态 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. The students have cleaned the classroom. The classroom has been cleaned. You needn’t clean it now. 现在完成时 active passive 表示说话时已经完成的被动性的动作或结果，主语是动作的承受者。 现在完成时的被动语态 现在完成时 被动语态 have/has been done 现在完成时的被动语态 be done have/has been How do we form the present perfect passive voice 现在完成时的被动语态 肯定形式： His homework has been finished. 否定形式： His homework has not been finished. 一般疑问句: Has his homework been finished yet 特殊疑问句： How long has his homework been finished 主语+have/has been done... 主语+have/has not been done... have/has+主语+been done... 疑问词+have/has+主语+been done... 结构形式 现在完成时的被动语态 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. 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.［2016·上海卷］ 5. I selected a _____(文件) and _____(按) the delete key. battery functions to confirm pressure file pressed Let’s learn 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. Change the sentences into the present perfect passive voice. EXAMPLE They’ve built a kind of new PC with more functions. ↓ A kind of new PC has been built with more functions. Examples 1.The Internet has great ... ...
