高中英语Unit 3 The world of science图文课件ppt

这是一份高中英语Unit 3 The world of science图文课件ppt，共18页。PPT课件主要包含了语法精讲透析，及物动词，已经完成，承受者，has，have，课时素养达标，have been，developed，has grown等内容，欢迎下载使用。

【体验•悟】阅读下面课文原句, 回答以下问题。原句1This evening, I’ll be talking t Dr. Richard Fairhurst, whse new bk The New Age f Inventin has just been published.
原句2I guess yu have been asked abut the title f yur bk befre. 原句3New inventins like 3D printers have been used t make replacement hearts and bne parts.
【生成•得】现在完成时的被动语态
【研学•析】Ⅰ. 现在完成时的被动语态的形式1. 现在完成时的被动语态的肯定式为: have/ has +been +dne。※The experiment has been dne successfully. 这个实验做得很成功。
2. 现在完成时的被动语态的否定式为: have/ has +nt +been +dne。※The imprtant prject has nt been finished until nw. 那项重要的项目直到现在还没有完成。3. 现在完成时的被动语态的一般疑问句需将have /has提到主语的前面。※Has his bike been repaired? 他的自行车修好了吗?
4. 现在完成时的被动语态的特殊疑问句为: 疑问词+have /has +been +dne? ※Wh has been invited? 谁受到了邀请?
【内化•用】①This bk _____________________many languages.  这本书已被译为多国语言。②These flwers ________________, s yu can g hme.  这些花已经被浇过水了, 你可以回家了。③His bikes ________________.  他的自行车已经都卖完了。
has been translated int
have been watered
have been sld ut
Ⅱ. 现在完成时的被动语态的用法1. 表示动作已经完成, 强调对现在造成的影响或结果, 经常与一些副词连用, 如already, ever, never, recently, lately, just, yet等, 通常把这些副词放在助动词have或has的后面, 有时候也可以放在句末。※Tm’s nvel has nt been published yet. 汤姆的小说还没有出版。
2. 表示一直持续到现在的动作或状态, 经常与fr a time, since, hw lng, s far等表示一段时间的时间状语连用。※The child has been taken care f by Grandma all these years. 这些年来, 孩子一直由奶奶照看。※The friendly relatins and cperatin between ur tw cuntries have been enhanced in the past few years. 我们两国之间的友好合作关系在近几年得到了加强。
【内化•用】 语法填空①Enugh ____________(say)here n this questin.  ②Many f the wrld’s greatest cities ______________(build)n the banks f rivers.  ③N bks ________________(buy)since last mnth.  
has been said
have been built
have been bught
【常温故•勤总结】 现在完成时的被动语态的用法1. 表示被动的动作发生在说话之前(即现在的过去), 强调对现在造成的影响和结果。2. 表示一个被动的动作或状态开始于过去, 持续到现在, 并可能将持续下去, 常与fr或since引导的时间状语连用。
Ⅰ. 将下列句子改成现在完成时的被动语态1. The typhn has damaged the bridge. →The bridge ___been damaged by the typhn. 2. They have develped sme prgrams fr the Human Resurce Department f their cmpany. →Sme prgrams fr the Human Resurce Department f their cmpany __________________.  
3. Gerge has sent sme texts and pictures t his friend’s cell phne. →Sme texts and pictures _____________t Gerge’s friend’s cell phne.  4. They have interviewed several teachers fr the jb. →Several teachers ___________________fr the jb.  5. This cmpany has prduced new types f cmputers. →New types f cmputers __________________by this cmpany.  
have been sent
have been interviewed
have been prduced
Ⅱ. 完成句子1. The sprts meet ______________until next Friday.  运动会已经推迟到下周五了。2. The new bridge in Nanjing _________________.  南京那座新建的大桥已完工了。3. Many man-made satellites ________________int space.  许多人造卫星已经被发射到太空了。
has been put ff
has been cmpleted
have been sent up
4. He _________such a lt since we last saw him.  自从我们上一次看到他以来, 他已经长大了许多。5. All the tickets ________________.  所有的票都已售完。6. We ________________fr yu fr an hur.  我们等你等了一个小时了。
have been waiting