外研版（2019）高中英语选择性必修第二册 Unit2 单元语法详解课件.pptx

Unit 2 Improving yourself单元语法详解外研版新教材选择性必修二 本单元重点语法 →过去完成时的被动语态 a. At the start of the detox, over 100 students had beenpersuaded to stop using social media, …..（教材 P14）b. They had been promised money by family and friendsfor each day spent without using social media. (教材 P 14)c. But on reflection, I can see how much of my time had beenoccupied with checking my phone.(教材 P14)d. None of them had been lost or damaged. (教材 P19)◆ 原句再现 ◆ 过去完成时被动语态的含义● 过去某一时刻或某一事件前完成的被动动作，请观察以下句子 By the end of last term twelve units had been learned by us.到上学期末， 我们已经学完了十二个单元b. The job had been finished when they arrived.他们到达的时候，这件工作已经完成了● 某一时刻或某一事件前已发生但未完成的动作，请观察以下句子By December last year, the bridge had been built for two years.到去年十二月为止，这座桥已经修两年了● 表示非真实的过去动作，请观察以下句子a. If I had been invited, I would have gone with you.b. If the meeting had been held, we would know the information now. ●主语 + had + been + 过去分词，即: 主语 + had + been +done…….. , 请观察以下句子◆ 过去完成时被动语态的构成a. He had been admitted to a key university before he gotthe news.b. My homework had been finished by that time.◆过去完成时被动语态的用法● 用在 told, said, knew, thought等动词后的宾语从句中，表示宾语从句的动作已经被完成，请观察以下句子 a. He said that the books had already been sold out.b. She told me that she had been employed by a big company.c. Later they knew that they had been not invited. d. The students thought that the building had been finished, but in fact, it was impossible.※ 温馨告知： after, before 等引导的状语从句中，由于这类词本身意义能明确表示时间先后关系，因此，谓语动词常用一般过去时的被动语态代替过去完成时的被动语态，请观察下面句子After his homework was finished, he went home.● 当 when , before, by the time, until 等引导的时间状语从句谓语是一般过去时，以及 by, before 后接过去的时间，主句的动作发生在从句的动作或过去的时间之前且表示被动时，要用过去完成时的被动语态，请观察以下句子 By the end of last year, 120 bridges had been built.b. The man had been beaten when the police came.c. The classroom had been decorated before the teacher arrived.● 在 It was the first/second/….time that…从句中，主语时动作的承受者时，用过去完成时的被动语态，请观察以下句子a. It was the second time that his bike had been stolen. b. It was the fir