精选学习资料 - - - 欢迎下载高考英语定语从句和名词性从句讲解与综合训练名词从句有四类：宾语从句.主语从句.表语从句.同位语从句；例如：宾语从句： I don t know where he will go.主语从句： Where he will go is unknown.表语从句： The problem is how we can get so much money.同位语从句： We all feel sorry about the news that he failed in the game.下面几点为学习名词从句要加以留意的：1whether和 if 都可以引导宾语从句表达“为否”意,（即引导宾语从句时 if 和 whether可以互换）但以下几种名词从句要用whether（不用 if ）引导：（1） 引导主语从句,且在句首时；例：Whether he has won the tennis is not known.但It is not known whether/if he has won the tennis.（2） 引导表语从句时；例The problem is whether he can get a job.（3） 引导同位语从句时；例：I have no idea whether he will come.（4） 介词后的 whether从句；例： I worry about whether I hurt her feelings.2位于句首引导主语从句的that 不行忘；例如： That he got the first place in the competition surprised all of us.3在“ It is suggested/proposed/ordered/a pity/no wonder/necessary/strange/ that 从句”结构中, that 从句谓语有时用（ should）do 这样的虚拟语气形式；例如： It is suggested that weshould improve the relations between us.It is a pity that oneshould stay in one place all ones life.It is strange that she should have failed to see her own shortcomin（gs缺点） .4在“ The reason whyis that”句式中 that 不要误为 because.例如： The reason why he didn t go to school yesterday is that he was ill. 5名词从句中 that、what 用法比较：精品学习资料精选学习资料 - - - 欢迎下载引导名词从句的that 为连词,在句中无成份,无意义,而what 为连接代词,whatthethings that.例如： It was told in yesterday s newspaper that what the students had done was praisedthe thingsthat无意义by the factory.I know that he will study. I know what he will study.That he works hard at his lessons is known to us all. What he works hard at is known to us all.All I ask is that you should tell the truth./He is not whatthe person thathe精品学习资料精选学习资料 - - - 欢迎下载used to be他.和以前大不相同了；精品学习资料精选学习资料 - - - 欢迎下载6where在名词从句中的使用特点：where在名词从句中有时可以变为“the place where” 、有时可以变为“介词 the place where” 形式；例如：主从： Where The place whereshe has gone is still unknown.宾从： Would you please tell me wherethe place where Mr Smith lives.表从： Your dictionary remains where in/at the place whereyou put.精品学习资料精选学习资料 - - - 欢迎下载同位从： Have you any idea where holidays.of the place where she is spending her精品学习资料精选学习资料 - - - 欢迎下载7无论为哪种名词从句都为陈述语序；例如：I know where he lives./Please tell me what her name is.当一个特别疑问句本身就为陈述语序（即“主谓（宾）”或“主系表”结构）,将其变为间接引语（即宾语从句）时,无需转变语序；例如：What s the matter with him.She asked me what was the matter with him.Who looks after your grandfather.He asked me who looked after my grandfather.名词从句考点分析1 They want to know do to help us.NMETA. what they canB. how they canC. how can theyD. what can they析：此题要选陈述语序项,故应排除C.D；又因 how they can do 不完整,do 后无宾精品学习资料精选学习资料 - - - 欢迎下载语,故也应排除,只有A 项既为陈述语序,且what they can do完整正确地表达出“他们能做些什么”这一意思,故答案为A ；2 His teacher he bright and he was worth teaching.A.didnt think;was;thatB.thought;was;whether C.didnt think;was; D.thought;wasn t;析：观看题目,可知think 后跟有 and 连接的两个并列宾语从句,这时前 一个宾语从句的引导语that 可以省略,但引导后一宾语从句的that 不行省略,据此,可排除 C.D 两个选项；如选 B 项,全句意思不通,而挑选A 项可表达 “他的老师认为他不聪慧,不值得教”这一意思,且语法结构无误,故可定A 为正确答案；3 is done cannot be undone.A.HowB.ThatC.WhatD.Where析： do 一般作及物动词使用,从题干看,需选一词作主语（规律上为done的宾语）；而 A.How、D.Where 均为副词,不能作主语,故应排除；B 项 that 一词只能在定语从句中作主语,不能在主语从句中作主语,也应排除；只有选what the thing that、才能正确表述“凡为做的不行不做”这一意思；4 Take care you dont make mistakes in the coming exam.A.of thatB.about thatC.for whatD.that析： take care为“留意”.“当心”意,后面可跟that 引导的宾语从句来表达“当心不要”意思,据此,该题应选D；5 To his surprise、the umbrella was not he had put.A.whichB.whereC.the placeD.that析：观看题干, was not后为表语,依据where 在表语从句中相当于in/at精品学习资料精选学习资料 - - - 欢迎下载the place where将、其置于空白处就可表达“伞不在他起初放的地方”这一意思,精品学习资料精选学习资料 - - - 欢迎下载而 C 选项缺少词,不行选； A .D 项皆不合用；6 we can t get seems better than we have.A.what;whatB.what;thatC.that;thatD.that;what析：此题明显为要表达“我们得不到的东西好像比我们得到的东西好；” 这一意思,即“ A seems better that B”结构,依据 what the things that这一特点,将其置于两空白处正好可以表达出前者比后者好这一意思,故答案为A；7 we ll go camping tomorrow depends on the weather.A.IfB.WhetherC.ThatD.Where析：此题 depends前的主语从句为一个不愿定的内容,在句首表“为否” 意时,只能用 Whether、不行用 If ；故答案为 B；精品学习资料精选学习资料 - - - 欢迎下载8 they are most interested in is they can produce more andbetter cars.A.That;howB.What;howC.What;whatD.That;that析： is 前面为一个主语从句,要表达“他们最感爱好的（东西）”这一意思,只能选 what 填入空白 ;is 为表语从句,明显只有选how 才能表达“如何生产更多更好的汽车”,故答案为B；9 He made a suggestion that the English test until next Wednesday.A.will be put offB.be put offC.will put offD.put off析： suggestion、order、adivce等词后的同位语从句谓语要用（should）do 的形式,且该句中 test 与 put off 为被动关系,应选B；10I don t think he said something like that is right.A.thatB.whatC.whetherD.when析：此句 think 后为一宾语从句,这个宾语从句的主语在is 之前,它为一个被动句；由于 he said something like that已经含有主.谓.宾.状等成分,只有选不表意义,不做成分的that 才合适,应选 A ；定语从句一.定语从句与引导词定语从句为在复合句中修饰某一名词或代词的从句；被修饰的名词或代词叫做选行词,而引导定语从句的词叫引导词,有关系代词和关系副词两类；懂得什么样的先行词后用什么样的引