Unit 2 Using language 课件-2022-2023学年高中英语外研版（2019）选择性必修第二册

Unit 2 Improving yourself P2 Using language -Past perfect passive Past perfect passive 过去完成时的被动语态 ① 基本含义 ② 基本结构 ③ 基本用法 ①At the start of the detox,over 100 students had been persuaded to stop using social media,in ANY form,for seven days. ②They had been promised money by family and friends for each day spent without using social media. ③But on reflection,I can see how much of my time had been occupied with checking my phone. Read the following sentences from the reading passage and find the rules in them. 过去完成时的被动语态 The pen had been broken by the boy before it was found. 那支钢笔在大家发现以前就被那个男孩弄坏了。 The task had been completed before noon yesterday. 那项任务昨天中午前就完成了。 1. 强调动作的承受者 2. 不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者 基本含义 过去完成时的被动语态是过去完成时的被动形式,主语是谓语动作的承受者。使用被动语态主要因为两种情况: 1. 肯定句:_ 2. 否定句:_ 3. 疑问句:_ _ 基本结构 All the tickets had been sold out when they arrived. 主语+had been done+其他. 当他们到那儿时,票已经全部卖完了。 The movie hadn't been on for half an hour when we got to the cinema. 当我们到达电影院时,电影还没开始半个小时。 主语+had not been done+其他. Had+主语+been done+其他? 疑问词+had+主语+been done+其他? ① Had the movie been on for half an hour when you got to the cinema? 当你们到达电影院时,电影开始了半个小时了吗? ② How many buildings had been destroyed when the hurricane ended? 飓风结束后有多少建筑物被毁了? (1) By the time he got to the school, the first period had been finished. (2) The classroom hadn’t been cleaned before the teacher came. (3) By the end of last year, 120 bridges had been built. 1. 当before, when, by the time, until 等引导时间状语的谓语是一般过去式,以及by, before后接过去的时间时,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,用过去完成时的被动语态。 过去完成时的被动语态的基本用法 2. 在 told, said, knew, heard, thought等动词之后的宾语从句中,若表示动作已被做完时,用过去完成时的被动语态。 (1)They said the production costs had been reduced. (2)The boy was reminded that his homework had not been handed in. (3)The media reported more than 1,000 people had been killed in the earthquake. 3. 在 “It was the first / second / third … time that …”句型中,that从句中的主语是动作的承受者时,谓语动词要用过去完成时的被动语态。 (1)It was the first time that the painting had been displayed to the public. (2)I