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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,本资料仅供参考,不能作为科学依据。谢谢。本资料仅供参考,不能作为科学依据。本资料仅供参考,不能作为科学依据。谢谢。本资料仅供参考,不能作为科学依据。,语法难点突破之七,名词性从句,语法专题突破,1/19,一、几个易混从句区分,定语从句、名词性从句和状语从句有时候在形式上很相同,下面给考生提供一些区分方法:,1,定语从句与同位语从句,定语从句与前面名词是修饰与被修饰关系;而同位语从句是用来说明前面名词内容。,that,在定语从句中充当句子成份,可指物或人;而同位语从句中,that,在从句中不充当任何句子成份,只起连接作用。请比较:,2/19,(1)The news(that/which)he told us was exciting.,(,定语从句,,that/which,在从句中作宾语,还能够被省略,),(2)The news that our team has won is exciting.,(,同位语从句,,that,从句是说明,news,内容,,that,在从句中不作任何成份,但不能被省略,),3/19,辨析,判断是定语从句还是同位语从句能够用“加词”方法,即在名词和从句之间加入一个,be,动词,假如句子意思成立,则是同位语从句,不然,则是定语从句。如上面第二句,加上,be,动词后:,The news is that our team has won.,句子意思成立,所以是同位语从句。而第一句,加上,be,动词后:,The news is that he told us.,意思不成立,所以不是同位语从句。,4/19,警示,普通情况下,同位语从句紧跟在它所说明名词后面,可是有时候,为了表示需要,名词与从句之间被另外一些内容分隔开了,叫做“分隔同位语从句”。对于这类同位语从句,一定要依据句意,找准它所说明名词。,5/19,2,定语从句与状语从句,请看两组句子:,第一组:区分,such.as.,和,such.that.,(1)The new storybook is written in such easy English as beginners can understand.,(2)The new storybook is written in such easy English that beginners can understand it.,6/19,这两句话只有一词之差,但语法结构大相径庭:第一句是,as,引导定语从句,,as,相当于,that,/which(,但不能用,that/,which),,在从句中作,understand,宾语。第二句是结果状语从句,,that,在从句中不作成份。,结论:当从句缺乏句子成份时,用,such.as.,;当从句不缺乏句子成份时,用,such.that.,。,7/19,第二组:选取,in which,where,填空,(1)He left the key _ he had been an hour before.,(2)He left the place _ he lived for many years.,分析:第一句只能填,where,where,引导是地点状语从句,修饰主句中谓语动词。此处,where,不可换成,in which,,因为,in which,只能引导定语从句,本句中根本就没有先行词,(,后面从句不是修饰,key,),。,第二句填,where,或,in which,。依据句意可知,后面句子是对名词,place,修饰,所以此句是定语从句。,8/19,点拨,判断是用,such.as.,还是用,such.that.,关键:判断从句是否缺乏句子成份。,切记,当包括“地点”时,判断是定语从句还是状语从句依据:看句中是否有先行词。,9/19,二、,that,与,what,区分,that,引导名词性从句,在从句中不作任何成份,,that,本身无意义,只起连接作用。,what,引导名词性从句时,在从句中能够作主语、宾语、表语等,,what,表示“,东西或事情”。请比较:,What I need is more time.(what,引导主语从句,在从句中作宾语,),That I need more time to do the work is very clear.(that,引导主语从句,在从句中不作任何成份,),10/19,The village is no longer what it used to be.(what,引导表语从句,在从句中作表语,),I had no idea what we should do next.(what,引导同位语从句,在从句中作宾语,),He will tell us what he saw in London.(what,引导宾语从句,在从句中作宾语,),11/19,精析,名词性从句中区分,that,与,what,关键是:分析句子结构,看从句是否缺乏句子成份。假如不缺成份,就用,that,,假如缺乏句子成份,(,主语、宾语、表语等,),,且表示“,东西或事情”就用,what,。,切记,宾语从句能够跟在及物动词之后,也能够跟在介词之后。,12/19,点拨,解题时要设法排除插入语干扰,将插入语忽略,从而简化句子结构,这么就能够降低解题难度。,13/19,典例,(,安徽,,33),His writing is so confusing that its difficult to make out _it is he is trying to express.,A.that,B.how,C.who D.what,解析:,D,。考查名词性从句。句意:他书写这么乱,极难弄明白他想要表示什么。,what,引导宾语从句,并在从句中作表语。,14/19,三、,who,whoever,与,no matter who,区分,引导名词性从句,在句中作主语时用,who,,意思是“谁”,含有疑问意味,,whoever,意为“不论谁”,不含有疑问意味。,whoever,在引导名词性从句时,相当于,anyone who,,其中,who,引导一个定语从句紧随其后。,另外,,whoever,还能够引导让步状语从句,这时,whoever,相当于,no matter who,,不过,no matter who,只能引导让步状语从句。请比较:,15/19,1,Who has taken away my bag is unknown.,谁拿走了我包还不知道。,(,若用,whoever,显然句意不通,),2,Whoever breaks the law will be punished.,不论谁违反法律都要受到处罚。,(whoever,表示语气强烈,),3,Im not going to let you in,no matter who you are.,Im not going to let you in,whoever you are.,(,依据句意“我不会让你进去,不论你是谁”,后面是一个让步状语从句,故用,no matter who,或者,whoever),16/19,链接,wh,ever,既可引导名词性从句,又可引导让步状语从句。引导名词性从句时,,whoever,anyone who;whomever,anyone whom;whatever,anything that;whichever,anything/anyone that;whosever,any one whose,。,Whichever he likes will be given to him.,Anything that he likes will be given to him.,不论他想要哪个都能够给他。,17/19,You should give the book back to whosever name(,anyone whose name)is on the cover of it.,你该把书还给任何一个他名字在封面上人。,18/19,19/19,
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