Unit3语法专项课件Thepassivevoice（被动语态）沪外教版八年级英语下册

教学课件沪外教英语八年级下册Unit3语法专项—Thepassivevoice（被动语态）

全解精讲+分层练习

学习目标1.理解被动语态的核心定义，区分主动与被动语态2.掌握4种核心时态的被动语态结构，能准确运用3.熟记被动语态的使用场景，判断何时使用被动4.掌握主动变被动的步骤，能完成句式转换5.规避被动语态的使用误区，攻克高频考点语法核心定义被动语态：强调动作的承受者，而非执行者核心结构：be+及物动词的过去分词本质：动作的承受者作句子的主语使用前提：谓语动词必须是及物动词（能接宾语）主动语态vs被动语态主动语态：主语是动作执行者结构：主语（执行者）+谓语+宾语（承受者）例句：Theworkermadetheclaypot.（工人做了陶壶）被动语态：主语是动作承受者结构：主语（承受者）+be+过去分词+(by+执行者)例句：Theclaypotwasmadebytheworker.基本时态结构（一）时态被动语态结构核心提示一般现在时am/is/are+过去分词随主语单复数变be动词一般过去时was/were+过去分词过去时间标志词提示时态例句1：Riceisgrowninthesouth.例句2：Theletterwassentyesterday.基本时态结构（二）时态被动语态结构核心提示一般将来时willbe+过去分词/begoingtobe+过去分词将来时间标志词提示情态动词被动情态动词

+be+过去分词情态动词后be用原形例句1：Anewgymwillbebuilthere.例句2：Thisproblemcanbesolvedeasily.小练习辨时态填结构根据时态提示，写出被动语态的正确结构1.一般现在时（主语he）：______+过去分词2.一般过去时（主语they）：______+过去分词3.情态动词can：can+______+过去分词4.一般将来时：______+过去分词iswerebewillbe被动语态的使用场景（一）场景1：不知道谁是动作的执行者例句：Mybikewasstolenlastnight.译：我的自行车昨晚被偷了。（不知道偷车的人）场景2：不重要谁是动作的执行者例句：Thenewroadwasbuiltlastyear.译：这条新路是去年建的。（无需提及建设者）被动语态的使用场景（二）场景3：强调动作的承受者（本单元核心）例句：Theoil-paperumbrellaisknownallovertheworld.译：油纸伞闻名世界。（强调油纸伞）场景4：正式/客观表达（介绍文化、工艺、新闻）例句：Itisreportedthatthecraftshowwillopensoon.译：据报道，工艺展即将开幕。小练习判断使用场景判断下列句子使用被动语态的原因1.Thebookwaswrittenin1990.（

）2.Chinesepapercuttingislovedbypeopleworldwide.（

）A.不知道执行者B.强调承受者C.正式表达AB核心考点主动变被动步骤（必背）步骤1：把主动句的宾语变成被动句的主语步骤2：把主动句的谓语变为be+过去分词，be随新主语和时态变化步骤3：（可选）加by+原主语，点明执行者步骤4：保留主动句的状语、补语等其他成分主动变被动例句

主动句：PeoplegrowteainFujian.（人们在福建种茶）步骤1：宾语tea变主语步骤2：grow→isgrown（一般现在时，主语单数）步骤3：bypeople（可选）步骤4：保留inFujian被动句：TeaisgrowninFujian(bypeople).小练习主动变被动将下列主动句改为被动句，按步骤完成1.Wecleantheclassroomeveryday.2.Hefinishedtheworkyesterday.Theclassroomiscleanedbyuseveryday.Theworkwasfinishedbyhimyesterday.特殊注意点1不及物动词无被动不及物动词：不能直接接宾语的动词，无被动形式常见词：happen,appear,die,arrive,come,go错误示范：Theaccidentwashappenedyesterday.（×）正确表达：Theaccidenthappenedyesterday.（√）特殊注意点2过去分词的拼写规则变化：动词后加ed（work→worked,play→played）不规则变化：需重点记忆（必背）make→made,see→seen,do→done,draw→drawnwrite→written,bring→brought,invent→invented特殊注意点3by的省略原则by+执行者：用于明确动作是谁发出的省略情况：执行者不明、不重要或无需强调时例句1：Theletterwassentbymymother.（不省略，强调妈妈）例句2：Theletterwassentyesterday.（省略，无需提执行者）拓展固定被动句型It+be+过去分词+that从句常见搭配：Itissaidthat…据说……Itisbelievedthat…人们相信……Itisreportedthat…据报道……Itisknownthat…众所周知……例句：ItisknownthatpaperwasinventedinChina.语法小测判断正误判断下列句子正误，标注错误原因1.Thenewswasspreadquickly.2.Heislikedbyallhisclassmates.3.Themeetingwillholdnextweek.4.Musiccanbeheardeverywhere.√√×hold→beheld√语法小结核心框架（一）1.被动核心：be+及物动词过去分词，强调动作承受者2.四种时态：一般现在/过去/将来时、情态动词被动3.使用场景：执行者不明/不重要、强调承受者、正式表达4.变被动步骤：宾变主→谓语变be+过去分词→加by（可选）语法小结核心框架（二）1.不及物动词：无被动形式，切勿误用be+过去分词2.过去分词：熟记不规则变化，避免拼写错误3.by的用法：执行者明确则加，否则省略4.固定句型：Itissaid/believedthat…用被动表客观单项选择

1.Thelittleboy____________byhismothereverymorning.A.istakencareB.istakencareofC.takescareof2.Thisstorybook____________bymanystudentsinourclass.A.readsB.isreadC.isreading3.Theproblem____________byourteachertomorrow.A.willexplainB.isexplainedC.willbeexplained4.Theoldhouse____________builtinthe1980s.A.wasB.isC.willbe5.Thiskindofflower____________inthenorthofChina.A.can’tgrowB.can’tbegrownC.doesn’tgrowBBCAB6.____________thattheartshowwillstartonSunday.A.ItsaysB.ItissaidC.Itwassaid7.Thesephotos____________bymyfatherintheparklastweek.A.weretakenB.tookC.aretaken8.Moretrees____________inourschoolnextspring.A.willplantB.areplantedC.willbeplanted9.Theclassroom____________everyafternoonbythestudents.A.cleansB.iscleanedC.iscleaning10.Thelostwatch____________byalittlegirlyesterday.A.foundB.isfoundC.wasfoundBACBC

用所给动词正确形式填空1.Thewindow____________(break)byalittleboyjustnow.2.English____________(speak)inmanycountriesaroundtheworld.3.Thenewfilm____________(show)inthecinemanextweek.4.Thelittlegirl____________(take)careofbyhergrandma.5.Thissong____________(love)byyoungpeople.wasbrokenisspokenwillbeshownistakenisloved6.Thework_______________(finish)intwohours.7.It____________(believe)thatheisagoodstudent.8.Theletter____________(write)bymysisteryesterday.9.Water____________(need)byallthelivingthings.10.Thisbook____________(canread)bychildreneasily.willbefinishedisbelievedwaswrittenisneededcanberead句型转换（主动变被动）1.PeoplemakethiskindofcupinJingdezhen.2.Hewillsendthelettertohispenpaltomorrow.3.Theteacherexplainstheproblemtouseveryday.4.Wewillholdasportsmeetingnextmonth.5.Sheboughtanewpenintheshopyesterday.ThiskindofcupismadeinJingdezhenbypeople.Theletterwillbesenttohispenpalbyhimtomorrow.Theproblemisexplainedtousbytheteachereveryday..Asportsmeetingwillbeheldbyusnextmonth.Anewpenwasboughtintheshopbyheryesterday.句型转换（被动变主动）1.Theroomiscleanedbymymothereveryday.2.Thecakewasmadebymysisterlastnight.3.Thisbookcanbereadbystudentsofallages.4.Anewhospitalwillbebuiltherenextyear.Mymothercleanstheroomeveryday.Mysistermadethecakelastnight.Studentsofallagescanreadthisbook.Peoplewillbuildanewhospitalherenextyear.短文填空（用被动语态）

ChinesekungfuisatraditionalcultureofChina.It1.____________(know