高考英语二轮语法专题:英语同位语从句课件.pptx
Noun ClauseNoun Clause-Appositive Clause-Appositive Clause名词性从句名词性从句 之同位语从句之同位语从句 2022高考英语二轮语法专题主语从句主语从句表语从句表语从句宾语从句宾语从句同位语从句同位语从句名词名词名名词词性性从从句句主语主语表语表语宾语宾语同位语同位语1、内容:、内容:名词性从句名词性从句-同位语从句。同位语从句。2、目标要求:、目标要求:(1)掌握其后能接同位语从句的名词。)掌握其后能接同位语从句的名词。(2)掌握同位语从句的连接词。)掌握同位语从句的连接词。(3)能区别同位语从句与定语从句。)能区别同位语从句与定语从句。3、学习指导:、学习指导:(1)重点:重点:同位语从句的运用。同位语从句的运用。(2)难点:难点:同位语从句与定语从句的区别。同位语从句与定语从句的区别。一、定义一、定义 同位语从句一般放在某些名词的后面,用以同位语从句一般放在某些名词的后面,用以说明名词所表示的具体内容。在句中作同位语。说明名词所表示的具体内容。在句中作同位语。引导同位语从句的连接词引导同位语从句的连接词功能功能功能功能例词例词例词例词从属从属从属从属连词连词连词连词 只起连接作用,不充当只起连接作用,不充当只起连接作用,不充当只起连接作用,不充当从句中的任何成分。从句中的任何成分。从句中的任何成分。从句中的任何成分。that,whether连接连接连接连接代词代词代词代词既起连接作用,又在从句既起连接作用,又在从句既起连接作用,又在从句既起连接作用,又在从句中担任成分(主语、宾语、中担任成分(主语、宾语、中担任成分(主语、宾语、中担任成分(主语、宾语、表语或定语)。表语或定语)。表语或定语)。表语或定语)。who,what ,whose,which连接连接连接连接副词副词副词副词既起连接作用,又在从句既起连接作用,又在从句既起连接作用,又在从句既起连接作用,又在从句中担任成分(状语)。中担任成分(状语)。中担任成分(状语)。中担任成分(状语)。when,where,why,how 复合代词复合代词复合代词复合代词&复合副词复合副词复合副词复合副词既起连接作用,又在从句既起连接作用,又在从句既起连接作用,又在从句既起连接作用,又在从句中担任成分(主语、宾语、中担任成分(主语、宾语、中担任成分(主语、宾语、中担任成分(主语、宾语、表语或定语、状语)。表语或定语、状语)。表语或定语、状语)。表语或定语、状语)。whoever,whatever,whoever,whatever,whichever,whenever,whichever,whenever,wherever,howeverwherever,howeverwhetherwhathowhowever1.同位语从句意义完整,应用同位语从句意义完整,应用that引导同位语从句。引导同位语从句。(即(即that 不充当任何成分,只起连接作用)不充当任何成分,只起连接作用)例:例:The general gave the order that the soldiers should cross the river at once.2.同位语从句意义不完整,需增加同位语从句意义不完整,需增加是否是否的含义,的含义,应用应用whether引导同位语从句。(引导同位语从句。(if不能引导同位不能引导同位语从句)语从句)例:例:Well discuss the problem whether the sports meeting will be held on time.3.同位语从句意义不完整,需增加同位语从句意义不完整,需增加什么时候什么时候、什么地点什么地点、“什么方式什么方式等含义,应用等含义,应用when,where,how等词引导同位语从句。等词引导同位语从句。例:例:I have no idea when he will be back.例:例:I have no impression how he went home,perhaps by bike.They expressed the hope that they would come over to visit China again.I have no idea how they were able to get it done in so short a time.Have you any idea what he is doing now?They asked me the question whether the work was worth doing.The question who should do the work requires consideration.A:He put forward the suggestion that the second question should be discussed first.B:The suggestion that he had put forward was turn down.仔细看,找区别仔细看,找区别A:The news that he told me is that Tom would go abroad next year.B:The news that Tom would go abroad is told by him.定语从句定语从句同位语从句同位语从句同位语同位语从句从句定语从句定语从句仔细看,找区别仔细看,找区别A:We were greatly pleased at the news that the Chinese womens volleyball team had won the match again.B:We were greatly pleased at the news that our teacher had told us.(同位语从句同位语从句)(定语从句定语从句)A:The suggestion that students should learn something practical is worth considering.B:The suggestion that they are considering is that students should learn something practical.同位语从句同位语从句定语从句定语从句A:I have no idea when they will come.B:Ill never forget the days when I lived there.仔细看,找区别仔细看,找区别A:We dont understand the problem why this is the best choice.B:The reason why he didnt come to the meeting is that he is ill.the daysidea(同位语从句同位语从句)(定语从句)(定语从句)the problemthe reason(同位语从句同位语从句)(定语从句)(定语从句)同位语从句与定语从句的区别同位语从句与定语从句的区别类别类别性质性质功能功能引导词引导词that 的作用的作用Wh-引导词引导词的作用的作用同位同位语语从句从句定语定语从句从句形容形容词性词性修饰修饰限定限定既替代先行既替代先行词,同时也词,同时也在句中做某在句中做某种成分,做种成分,做宾语可以省宾语可以省略。略。关系词没有疑关系词没有疑问意义问意义,可替换可替换先行词先行词.名词性名词性只起连接作用,只起连接作用,不做成分不做成分,不不能省略。能省略。不能替换所修不能替换所修饰的名词饰的名词,有有疑问意义。疑问意义。补充补充说明说明1.Some researchers believe that there is no doubt_ a cure for AIDS will be found.A.which B.that C.what D.whether2.A warm thought suddenly came to me _ I might use the pocket money to buy some flowers for my mothers birthday A.if B.when C.that D.which3.Nobody believed his reason for being absent from the class _ he had to meet his uncle at the airport.A.why B.that C.where D.because 典例题解典例题解4.Along with the letter was his promise _ he would visit me this coming Christmas.A.whichB.thatC.whatD.whether5.Danby left a word with my secretary _ he would call again in the afternoon.A.whoB.thatC.asD.which6.Ive heard a whisper _ David and Heather are heading for marriage.(08四川延考区)A.whatB.whichC.whoD.thatTips:1.观察名词,是否为常引导同位语从句的名词。观察名词,是否为常引导同位语从句的名词。2.抓出句子主干。抓出句子主干。3.分析从句结构分析从句结构,判断是否缺成分。判断是否缺成分。1.Heres an announcement _ the winner at chess can get a prize of 1000 yuan.A.thatB.whyC.whetherD.when2.Its a question _ he did it.A.whatB.thatC.howD.if3.The dream _ we are flying in space has finally been realized by a Chinese astronaut Yang Liwei.A.whenB.thatC.whichD.what4.They rumor spread _ a new school would be built.A.thatB.whatC.whereD.whichExerciseMultiple choices5.The question _ it is right or wrong depends on the result.A.ifB.whichC.thatD.whether6.I have a question _ student should take the responsibility.A.thatB.whichC.whatD.if7.They expressed the suggestion _ she accept the award.A.whatB.whenC.thatD.whichTip:在某些名词(在某些名词(wish,demand,suggestion,advice等等)后的同位语从句要用虚拟语气!)后的同位语从句要用虚拟语气!HomeworkReview the Appositive Clause.