Unit 3 Section 3 Discovering Useful Structures—现在完成时的被动语态(课件PPT)-【赢在微点·轻松课堂】2025-2026学年高中英语必修第二册（人教版2019）

赢在微点 轻松课堂 英语 UNIT 3 THE INTERNET Section 3 Discovering Useful Structures —现在完成时的被动语态 UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 课前观察·自主领悟 先会观察 悟考点 UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 1.Up to now, Aesop’s Fables have been translated into many languages and are known all over the world. 2.A wrist-worn PC has been invented recently. 3.The machine has been used for 3 years. 4.You can go home as soon as your homework has been finished. 5.They will come next week if they have been permitted. UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 1.现在完成时的被动语态表示过去的动作对现在_________________,如句1,2。 2.现在完成时的被动语态还可以表示过去的动作____________到现在,如句3。 3.用在________或________状语从句中,现在完成时的被动语态表示将来某时已被完成的动作,如句4,5。 产生的影响 延续 时间 条件 UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 语法课堂·高效学习 精讲细点 通语法 UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 一、现在完成时的被动语态的概念 1.表示发生在过去的动作对现在产生的影响或结果,这个动作是被动的。当动词为短暂性动词时,可与already或yet连用,但不可以与for或since引导的时间状语连用。 ①This novel has been translated into several languages.这部小说已被翻译成几种语言。 ②The flat has been sold.这套公寓已售出。 UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 2.表示发生在过去,已经延续到现在并可能继续持续下去的被动的动作或状态。常与for或since引导的时间状语连用,或用于“How long ... ?”句型中。常用的时间状语有already、yet、lately、recently、since then、 up to now、 so far、 in the past/last ... days/years等。 How long has the dictionary been used? 这本词典用了多久了? UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 3.用在时间或条件状语从句中,表示将来某时已被完成的动作,即用现在完成时(或一般现在时)的被动语态代替将来完成时的被动语态。 You will have the chance to work in the tall building if you have been hired/you are hired.如果你被录用,你将有机会在这幢高楼里工作。 UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 用被动语态补全句子 ①_______________________________(我的工程已完工) so far, so we can go on a holiday to relax ourselves. ②_______________________________(一个软件已被下载) to help my phone battery last longer. ③_______________________________(是不是已经有了评论) about the online database? ④_______________________________ (有人丢身份证了吗?) 微练1 My project has been completed A software has been downloaded Has a comment been made Has an identity card been lost? UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 二、注意事项 1.现在完成时被动语态的两个助动词: have/has和been缺一不可。 2.注意与一般过去时的被动语态的区别。一般过去时的被动语态表示发生在过去的一个被动的动作,不涉及对现在造成的影响;而现在完成时的被动语态的动作或状态尽管发生在过去,但侧重说明该动作或状态对现在造成的影响或结果。此外,一般过去时的被动语态常与ago、 last year、yesterday、in 1999等表示过去的时间状语连用,而现在完成时的被动语态常与already、yet、lately、recently、since then、up to now、so far、in the past/last ... days/years等时间状语连用。 UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 ①The machine has been repaired. (说明动作发生在过去,对现在有影响:修好了) ②The machine was repaired yesterday. (只说明动作发生在昨天) UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 3.短暂性动词或非延续性动词,如finish、buy、start、begin、return、 join、marry、open、die等,它们构成的现在完成时的被动语态不能与for、since构成的短语或引导的句子连用,也不能用于How long ... ?句型中。 误:How long has the book been borrowed? 正:How long ago was the book borrowed?/How long has the book been kept? 这本书借了多久了? UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 把句中所有完成时的主动结构变为被动结构 ①We have completed all the preparations for the task, and we’re ready to start. ______________________________________________________________________________________________________________________ ②This company has produced new types of computers. ___________________________________________________________ ③They have interviewed several applicants for the job. ___________________________________________________________ 微练2 All the preparations for the task have been completed, and we’re ready to start. New types of computers have been produced by this company. Several applicants for the job have been interviewed by them. UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 ④They have carried out several experiments to test the performance of the new car. ______________________________________________________________________________________________________________________ ⑤They haven’t given any permission to enter the lab since it was closed. ______________________________________________________________________________________________________________________ Several experiments have been carried out by them to test the performance of the new car. Not any permission has been given by them to enter the lab since it was closed. UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 ⑥They have developed some medicine to cure the disease. ___________________________________________________________⑦They’ve offered me a good position in the company. ______________________________________________________________________________________________________________________ Some medicine has been developed by them to cure the disease. I’ve been offered a good position in the company./A good position in the company has been offered to me. UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 Ⅰ.用动词的适当形式填空 1.Many new buildings _______________ (build) in Tangshan since 1976. 2.The bike in my family ______________ (use) for 30 years. 3.Despite the previous talks, no agreement ________________ (reach) so far. 4.The water in the river ___________________ (pollute), which makes it smell terrible. 5.________ the windows ______________ (clean)? have been built has been used has been reached has been polluted Have been cleaned UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 6.How many shopping centers _______________ (build) in this city? 7.The museum _____________________ (finish) so far, so it is still under construction. 8.It is reported that the murderer_________________ (arrest). have been built hasn’t been finished has been arrested UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 Ⅱ.用所给动词的正确形式补全下面的通知 Notice to parents Dear parents, We hope you will welcome this news. Almost 100 computers ①_________________ (give) to us since last year. A decision ②_______________ (make) to start a computer teaching experiment at our school. Our plan ③____________________ (support) with technical equipment and advice ④__________ (provide) by the City have been given has been made has been supported provided UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 Information Technology Centre. Every teacher ⑤____________________ (provide) with a laptop since the beginning of this term. More recently, most of our courses ⑥__________________ (teach) using computers. We ⑦____________________ (help) in our teaching by a lot of information from the Internet. Also, a new computer room ⑧_____________ (set) up in our school. We hope you will be happy with this exciting new development in our school. has been provided have been taught have been helped has been set UNIT 3　THE INTERNET 点击 导航 语法课堂·高效学习 课前观察·自主领悟 轻松课堂 高中英语 必修 第二册 第 ‹#› 页 赢在字里行间 $$