人教高中英语必修3unit5grammar--(共30张ppt)

高一年级英语人教版必修三Unit5Grammar名词性从句nounclause主语从句subjectclause宾语从句objectclause表语从句predicativeclause同位语从句appositiveclause1.Thequestioniswhowilldoit.2.Whetherthereislifeonthemoonisaninterestingquestion.3.Iwonderwhetherhewillcomeornot.4.Thenewsthatwewonthegameisexciting.表从主从宾从同位语从句Step1.RevisionI.Tellwhatclausestheyare.Mr.Liu,ourmathsteacher,isacharminggentleman.Thethoughtthattheycouldcrossthewholecontinentwasexciting.同位语（appositive）同位语从句（appositiveclause）Lead-in同位语：对句子某一成分作进一步解释、说明，而在语法上和这一成分处于同等地位的句子成分。1I,theyoungestsoninthefamily,amoftentakengoodcareof.同位语：______________________2Theorphan’sdailynecessities—clothes,food,etc.—aresuppliedbyakind-heartedteacher.同位语：______________________theyoungestsoninthefamilyclothes,food,etc.Thenews__________________________excitedtheChinesepeople.thatLiuXiangwonthematch刘翔赢得比赛（win）Weknowthetruth___________________.thattheearthgoesaroundthesun地球围绕着太阳转(goaround)Theyaskedmethequestion____________________.whetherthebookisworthreading.这本书是否值得一读(beworthdoing)Ihavenoidea____________________.wherehelives他住在哪里(live)同位语从句的作用:?进一步解释、说明前面名词的具体内容。Activity1Readandfind1.ThenewsthatLiuXiangwonhematchexcitedtheChinesepeople.2.Weknowthetruththattheearthgoesaroundthesun.3.Theyaskedmethequestionwhetherthebookisworthreading.4.Ihavenoideawherehelives.Thenewsthetruthideathequestion同位语从句news消息,fact事实,idea想法,hope希望,wish愿望,suggestion建议,order命令,thought想法,doubt疑惑,belief信念,truth事实,decision决定,promise许诺,plan计划,message消息,possibility可能性…Summary(1):抽象被修饰的名词通常为______名词,如同位语从句的引导词：从属连词(不作成分)连接代词(作主/宾/表/定)连接副词(作状语)what,who,whom,whose,which,that,whetherwhen,where,why,how连接词that引导的同位语从句that在从句中不充当成分,没有意义，只起连接作用,不可以省略。Hetoldmethenewsthathewouldcomehomefromaboardsoon.他告诉我一个消息,他马上要从国外回国.只用whether引导,不用if，而且whether不充当成分.这个问题是否正确还未被证实.Theproblem________itisrighthasn’tbeenproved.连接词whether引导的同位语从句whether连接词代词what/which/who//whomwhose引导的同位语从句1.谁会出国这个问题还未决定.2.我不知道该选哪个.1.Thequestion_____shouldgoabroadhasn’tbeendecidedyet.2.Ihavenoidea______oneIshouldchoose.whichwho(定语)(主语)在从句中充当成分主语，宾语，定语，表语连接词副词when/where/why/how引导的同位语从句1.我了解他们为什么离开得那么早.2.我们还没决定好去哪儿.1.I’vegotagoodidea_____theyleftearly.2.Thequestion_______weshouldgohasnotbeendecided.whywhere在从句中充当状语同位语从句的引导词：从属连词(不作成分)连接代词(作主/宾/表/定)连接副词(作状语)what,who,whom,whose,which,that,whetherwhen,where,why,howSummary(2):1.Hegavemehispromise____hewouldvisitmethiscomingChristmas.A.whichB.thatC.whatD.whetherBActivity2:即学即练：2.Doyouhaveanyidea___isactuallygoingonintheclassroom?A.thatB.whatC.asD.whichB一找从句二看从句成分是否完整三看句意确定答案3.Thequestion____shoulddotheworkisbeingdiscussedatthemeeting.A.whenB.thatC.whatD.who4.Shehassomedoubt___heradviceisusefultous.A.whetherB.thatC.whatD.whereDA5.Ihavenoidea____wecanspendourholiday.A.whereB.whichC.thatD.whatA1.Thenewsthatourteamhaswonthematchistrue.2.Thenewsthatyoutoldusistrue.定语从句同位语从句Activity3判断以下是什么从句相同点：两句的引导词的前面都是______,是_____(词性)news名词同位语从句与定语从句的不同之处（1）同位语从句用来进一步________前面名词的内容;定语从句用来__________前面的名词。Thenewsthatourteamhaswonthematchistrue.（同位语从句说明“消息”的内容：______________）Thenewsthatyoutoldusistrue.（定语从句对“消息”加以限定：是_______________，而非来自其他渠道。但消息是何内容却不得而知。）Summary(3):解释说明修饰限定我们队取得了决赛胜利你告诉我的Thenewsthatourteamhaswonthematchistrue.Thenewsthatyoutoldusistrue.Summary(3):同位语从句与定语从句的不同之处（2）that同位语从句定语从句不作成分，无意义，不能省指代先行词，作成分，作宾语可省判断:定语从句or同位语从句1.Thenewsthathe'llleaveforBeijingistrue.2.Thenewsthatwegotlastweekistrue.3.Thefactthatwetalkedaboutisveryimportant.4.Thefactthattheearthisroundisknowntous.5.Thesuggestionthatweshouldlearnsomethingpracticalisworthconsidering.(定从)(同从)(定从)(同从)(同从)找出下列句子的错误，并总结规律。1.Itisamystery(谜)whyisJaysofamous.2.ThereisaproblemwhenwillYaoMingbebacktothematch.JayisYaoMingwill规律一：同位语从句中的语序要用陈述句语序。Step2.Practicemakesperfect!3.Thereissomedoubtifhewillkeephisword.4.Thedecisionifthereismuchhomeworktodayhasnotmadeyet.whetherwhether规律二：同位语从句中表示“是否”，要用whether引导，不要用if引导。Thereisnodoubtthathewillkeephisword.5.Hereistheprofessor’ssuggestionthathehasagoodrest.6.MymothergivesmeanorderthatImustgetupearly.（should）haveshould规律三：有些名词后的同位语从句中，谓语动词应该用虚拟语气：“should+动词原形”或者去掉must名词有，suggestion、advice、proposal、demand、require、insist、request、command、order等Summary从句类型功能特点同位语从句在句子中充当同位语，用来解释、说明前面名词的内容同位语从句跟在抽象的、带有一定信息的名词后面(例如idea,fact,news,hope,belief,suggestion等词);可用that（不可省略）/whether（不能用if）/what/which/who/where/why/when/how引导.PracticeHomework