Unit 3 The Internet Discovering Useful Structures 课件-2023-2024学年高中英语人教版（2019）必修第二册

Discovering Useful Structure The Present Perfect Passive Voice Unit 3 The Internet Verb form How do we from the present perfect passive voice? Fill the blank. Active have/has + v-ed Passive ____________________ have/has been + v-ed 判断 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 ↓ I have downloaded the software to help my phone battery last longer. Someone has lost an identity card. The software has been downloaded to help my phone battery last longer. An identity card has been lost. Have you confirmed the Wi-Fi password? Have you pressed the button yet to copy the file? Has anyone made a comment about the online database? Has the Wi-Fi password been confirmed? Has the button been pressed yet to copy the file? Has a/any comment been made about the online database? 使用现在完成时的被动语态要注意的问题 1.现在完成时的被动语态、现在进行时的被动语态及一般过去时的被动语态的区别 The machine has been repaired. （说明动作发生在过去，对现在有影响，“现在修好了”） The machine is being repaired now.（说明动作正在进行） The machine was repaired yesterday.（只说明动作发生在过去） 2.非延续性动词，如borrow，finish，begin，start，buy，marry，open，join等构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，则要改换动词或时态，例如： 工程已开始三个月了。 The project has been started for three months.（F） The project has been on for three months.（T） 1.用现在完成时的被动语态改写句子 ①Jack's boss has always praised him for his devotion to work. Jack ___________________________ by his boss for his devotion to work. ②They have found a good place to build a temple in the village. A good place to build a temple in the ___________________ village. ③We haven't yet decided how to solve that difficult technological problem. How to solve that difficult technological problem ___________________ yet. 牛刀小试-即时演练2 带有双宾语的动词，如give，send，bring，take，teach，show，tell，make，sing，write，read，sell，buy，pay，lend，pass，promise等，变为被动语态时，一般将间接宾语变为被动语态的主语，若将直接宾语变为被动语态的主语时，间接宾语前面要用相应的介词。 We have given him the book. →He has been given the book. →The book has b