2019-2020学年新教材高中英语 Unit 3 The world of science Section Ⅲ Using language教学案 外研版必修第三册

1 sectionsection usingusing languagelanguage 现在完成时的被动语态 现在完成时是过去的动作或状态持续到现在并且已经完成 对现在造成的影响 可能持 续发生下去 have has been done 是现在完成时的被动语态结构 主要用来表达动作已经被 做 已经被完成 或者尚未被完成 观察例句 阅读下列句子 并体会黑体部分的用法 1 1 i guess you havehave beenbeen askedasked about the title of your book before 2 2 new inventions like 3d printers havehave beenbeen usedused to make replacement hearts and bone parts 3 3 i guess someone hashas askedasked you about the title of your book before 4 4 people havehave usedused new inventions like 3d printers to make replacement hearts and bone parts 5 5 something bad hashas happenedhappened to him 6 6 the door hashas openedopened of itself 7 7 the orphan hashas beenbeen wellwell lookedlooked after 归纳用法 现在完成时被动语态用法是高考的重要考点 学习时应该注意下列几点 一 掌握现在完成时被动语态的构成 现在完成时被动语态的结构为 has have been done 使用 has been done 时主语为单 数 使用 have been done 时主语为复数 如 this book hashas beenbeen translatedtranslated intointo many languages 这本书已被译为多种语言 his bikes havehave beenbeen soldsold outout 他的自行车已经卖完了 二 理解现在完成时被动语态的概念 现在完成时被动语态强调一个发生在过去的被动性动作 它有两层意思 1 动作已经完成 强调对现在造成的影响或结果 2 主语与谓语动词之间为被动关系 如 our classroom hashas beenbeen cleanedcleaned you needn t clean it now 2 我们的教室已经被打扫过 你现在没必要再打扫了 these flowers havehave beenbeen wateredwatered you can go home 这些花已经被浇水了 你可以回家了 三 现在完成时被动语态的用法 1 1 用于不知道动作执行者是谁时 his bike hashas beenbeen stolenstolen 他的自行车被人偷了 不清楚是被谁偷的 2 2 用于动作执行者是泛指或不言自明时 not a book in the library hashas beenbeen takentaken awayaway 图书馆里的书没有一本被人拿走 没人拿书 泛指 3 3 用于可以说出动作执行者但动作承受者是谈话中心或特别需要强调时 my watch hashas beenbeen repairedrepaired 我的表修好了 表修好了是谈话的主旨 是谁修好无关紧要 不必提及 4 4 用于出于委婉 礼貌而避免提及自己或对方时 enough hashas beenbeen saidsaid here on this question 关于这个问题 这里已经谈得不少了 意思是说 大家不要再说了 5 5 用于文章标题 广告 新闻等中 常用省略助动词 be 的被动语态 road blockedblocked 道路已被堵塞 新闻报道 省略了助动词 has been 6 6 用于动作的执行者不是人时 the house hashas beenbeen washedwashed awayaway by the storm 那栋房子已被暴风雨冲走了 7 7 用于商务书信中书信起草人是以公司名义时 your letter hashas beenbeen receivedreceived 来信已收到 四 掌握现在完成时被动语态的各种句型变换 从现在完成时被动语态结构 has have been done 可以看出 has have 为助动词 因此现 在完成时被动语态的各种句型变换均应借助于 has have 来完成 构成否定句时直接在 has have 后面加 not 构成一般疑问句时直接在 has have 后面加 not 构成一般疑问句时将 has have 提前 如 hashas this bridge beenbeen finished finished 这座桥竣工了吗 3 his bad habits haven thaven t beenbeen donedone awayaway withwith 他的坏习惯还没有改掉 the blackboard hashas beenbeen cleanedcleaned hasn t it 黑板已经擦过了 是吗 即时训练 把下列句子改成被动句 1 1 we have cleaned our classroom our classroom has been cleaned 2 2 he has sold out all his bikes in the shop all his bikes in the shop have been sold out 3 3 he hasn t finished his homework his homework hasn t been finished 4 4 grandma has taken care of the child all these years the child has been taken care of by grandma all these years 5 5 he has repaired the machine for two hours the machine has been repaired for two hours 单句语法填空 1 1 paper money has been used use for over a thousand years 2 2 great changes have taken take place in my hometown and a lot of factories have been set set up 3 3 come and sit down by the fire your hand has been felt feel cold 4 4 the fire has got get to the fifth floor have all the people saved save 5 5 we want to sit at the table near the window i m sorry but it has been taken take already 6 6 some of the chapters 片段 have been widely read read by many students 7 7 why don t you go to the book store to buy some books many new books have been brought bring there 8 8 till now three films have been shown show in that small village this month 9 9 do you know the thief has been caught catch by the police 1010 my sister is working in the power plant that has been used use for just one year 短文语法填空 4 good morning everybody this has been my second trip 1 1 to tokyo and i would like to thank this school because i 2 2 have been invited invite to you this talk i would like to focus 3 3 mainly main on how to improve your english for 4 4 practical practice purposes it is my belief to improve a language it is important for one to continuously use that language in english as in most languages there are 4 main aspects of speaking listening reading and writing i believe two 5 5 activities activity can help all four of these firstly reading in the newspaper 6 6 has been noted note to be able to help improve one s english however i 7 7 personally personal feel that reading books is more useful while my english 8 8 has been improved improve by newspaper reading i feel that it may be too boring and not interesting to secondary school students books on the other hand of the past time have many levels the second activity that 9 9 has been thought think to be useful is watching the news i know i just said that the news is boring but watching the news can be