Unit 3 The Internet Discovering Useful Structures 现在完成时的被动语态 课件-2023-2024学年高中英语人教版（2019）必修第二册

The Present Perfect Passive Voice 现在完成时的被动语态 清韵古风 New words battery Wi-Fi New words button file New words They’ve built a kind of new PC with more functions. function as New words Have you confirmed the Wi-Fi password? confirm sb in sth New words 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. 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 7 The Present Perfect Passive Voice 现在完成时的被动语态 review 被动语态的基本结构 be + done(动词过去分词) Mr. He is greatly respected by all of us. I. 一般现在时的被动语态 主语 + am/is /are+done(过去分词) 主动语态即主语为动作的执行者；被动语态即主语为动作的承受者。 The 2016 Olympic Games will be held in Brazil. III. 一般将来时的被动语态 主语 + will be + done(过去分词) The plan was successfully carried out. II. 一般过去时的被动语态 主语 + was/were+done(过去分词) review Verb form 现在完成时与现在完成时的被动语态 Active have/has + done Passive ____________________ have/has been + done 过去的动作或状态持续到现在，或对现在造成的影响 They’ve built a kind of new PC with more functions. A kind of new PC has been built with more functions. 11 现在完成时的被动语态通常有以下两种情况： 1、表示过去开始的被动动作一直持续到现在。 常与之连用的时间状语有：for +一段时间，since +时间状语（从句），these days, so far, up to now等。 eg. His Chinese has been improved a lot since he came to China. 2、表示某被动动作对现在造成的影响或结果，常与already, yet, just, ever, never, recently等连用。 eg. My bike has already been repaired. 机器已经修好了。(说明动作发生在过去，对现在有影响，修好了。) 现在完成时的被动语态的谓语构成形式： 肯定式：have / has + been + done(动词的过去分词) Two windows have been broken． 否定式：_____________________+done(动词的过去分词) They haven’t been told about it yet. 一般疑问句形式：______________________+done(动词的过去分词) ─Has her work been finished？ ─Yes，it has． have / ha