关系代词 AS 的用法-CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN关系代词关系代词 ASAS 的用法的用法关系代词关系代词 asas 引导定语从句时，既可以单独使用，也可以与其他词连用，其引导定语从句时，既可以单独使用，也可以与其他词连用，其用法要比用法要比 thatthat 和和 whichwhich 更为复杂。同学们要下点功夫哦更为复杂。同学们要下点功夫哦! !ASAS 作关系代词作关系代词, ,可以用来引导定语从句可以用来引导定语从句: :限制性定语从句和限非制性定语从句限制性定语从句和限非制性定语从句一、一、ASAS 引导限制性定语从句引导限制性定语从句ASAS 引导限制性定语从句时引导限制性定语从句时, ,通常和通常和 such,the same,as(so)such,the same,as(so)等连用等连用, ,构成如下构成如下结构结构:such.as/such as,the same.as/the same as, as(so).as:such.as/such as,the same.as/the same as, as(so).as 等结构等结构, ,在从句中可在从句中可作主语作主语, ,宾语和表语。宾语和表语。1.such.as/such as1.such.as/such as 意为意为“.“.的那种的那种.,.,像那样的像那样的” ”，such.as/such assuch.as/such as 引导限制引导限制性定语从句时性定语从句时, ,既可指人既可指人, ,也可指物。也可指物。suchsuch 用于名词之前时用于名词之前时, ,具有形容词性质；具有形容词性质；suchsuch 单独使用单独使用( (即后面不接名词即后面不接名词) )时时, ,具有代词性质。具有代词性质。Dont trust such men as praise you to your face.(asDont trust such men as praise you to your face.(as 作主语作主语) )不要相信那种当面吹捧你的人。不要相信那种当面吹捧你的人。You should read only such books as you can understand without muchYou should read only such books as you can understand without muchdifficulty.(asdifficulty.(as 作宾语作宾语) )你应当只读那些你读起来不太难懂的书。你应当只读那些你读起来不太难懂的书。Associate with such as will improve your manners.(asAssociate with such as will improve your manners.(as 作主语作主语) )要和能改善你的言行的那种人结交。要和能改善你的言行的那种人结交。2.the same.as/the same as2.the same.as/the same as 意为意为“ “与与.同样的同样的”, ”,和和 suchsuch 一样一样,the same,the same 既有既有形容词作用形容词作用, ,又有代词性质。又有代词性质。We have arrived at the same conclusoin as they have.(asWe have arrived at the same conclusoin as they have.(as 作宾语作宾语) )我们已得出和他们同样的结论。我们已得出和他们同样的结论。比较比较:the same.as:the same.as 和和 the same.thatthe same.that 不同不同, ,前者是前者是“ “同那一个相似同那一个相似”, ”,后者是后者是“ “正是那一个正是那一个” ”。如：。如：This is the same watch as I lost.This is the same watch as I lost.这同我丢的那块表一样。这同我丢的那块表一样。This is the same watch that I lostThis is the same watch that I lost这正是我丢的那块表。这正是我丢的那块表。3.as(so).as3.as(so).as 意为意为“ “和和.一样一样”, ”,后接由后接由 many,muchmany,much 等修饰的名词或由形容词修等修饰的名词或由形容词修饰的单数名词饰的单数名词, ,注意其语序为注意其语序为 as(so)+adj.+a+n+as,as(so)+adj.+a+n+as,如：如： Its as pleasant a film as IIts as pleasant a film as Ihave ever seen.have ever seen.这是一部和我以往看的同样好的电影。这是一部和我以往看的同样好的电影。As many soldiers as marched were killed.As many soldiers as marched were killed.很多游行的战士都被杀了。很多游行的战士都被杀了。注意注意:such .as:such .as 与与 such.that ,so.assuch.that ,so.as 与与 so.that so.that 的区别的区别: that: that 是连词是连词, ,引出结引出结果状语从句果状语从句, ,在从句部分不作成分在从句部分不作成分;as;as 是关系代词是关系代词, ,引出定语从句引出定语从句, ,在从句中可作主在从句中可作主语语, ,宾语和表语。比较宾语和表语。比较: :He is such a nice boy that everyone likes him.He is such a nice boy that everyone likes him.He is such a nice boy as everyone likes.He is such a nice boy as everyone likes.It is so difficult a problem that nobody can work it out.It is so difficult a problem that nobody can work it out.It is so difficult a problem as nobody can workout.It is so difficult a problem as nobody can workout.二、二、ASAS 引导非限制性定语从句引导非限制性定语从句2ASAS 引导非限制性定语从句时引导非限制性定语从句时, ,通常指的不是主句中的某一个名词通常指的不是主句中的某一个名词( (先行词先行词), ),而是指整个主句表达的内容而是指整个主句表达的内容, ,对主句所作的陈述进行附加说明对主句所作的陈述进行附加说明, ,意为意为“ “这这.,.,如如.或或正如正如.”.”。这种从句可位于主句之前。这种从句可位于主句之前, ,之中或之后。之中或之后。As we all know,Taiwan belongs to China.As we all know,Taiwan belongs to China.Taiwan,as we all know, belongs to China.Taiwan,as we all know, belongs to China.Taiwan belongs to China,as we all know.Taiwan belongs to China,as we all know.一些带有一些带有 as.asas.as 结构的常见短语归纳：结构的常见短语归纳：as busy as a beeas busy as a bee 像蜜蜂一样忙碌像蜜蜂一样忙碌as easy as ABCas easy as ABC 像像 ABCABC 一样容易一样容易as deep as a wellas deep as a well 像井一样深像井一样深as light as a featheras light as a feather 像羽毛一样轻像羽毛一样轻as soft as butteras soft as butter 像黄油一样软像黄油一样软as rich as a Jewas rich as a Jew 像犹太人一样富裕像犹太人一样富裕as is well discussedas is well discussed 正如已讨论过的正如已讨论过的as is often saidas is often said 正如通常所说正如通常所说as is often the caseas is often the case 通常就是这样通常就是这样as has been pointedas has been pointed 正如所指出的那样正如所指出的那样as has been said beforeas has been said before 如上所述如上所述as often happensas often happens 如同经常所发生的那样如同经常所发生的那样as might be expectedas might be expected 正如所料正如所料as is well known to allas is well known to all 众所周知众所周知在多数情况下在多数情况下, ,从句中的谓语助动词可以省略从句中的谓语助动词可以省略as explained beforeas explained before 如前面所解释的如前面所解释的as mentioned aboveas mentioned above 如前面所提到的如前面所提到的as shown in the figureas shown in the figure 如图所示如图所示as seen from the tableas seen from the table 从表中可以看出从表中可以看出as already discussedas already discussed 正如已讨论过的正如已讨论过的高考题精选：高考题精选：1._is known to all,China will be an and powerful country in 20 or 301._is known to all,China will be an and powerful country in 20 or 30years time.(1994years time.(1994 上海上海) )A.ThatA.That；advancingB.ThisadvancingB.This；advancedadvancedC.AsC.As；advanced D.Itadvanced D.It；advancingadvancing2._is mentioned above,the number of the students in senior high2._is mentioned above,the number of the students in senior highschools is increasing.(1999schools is increasing.(1999 上海上海) )A.It B.As C.That D.WhichA.It B.As C.That D.Which3.These houses are sold at such a low price_people expected.3.These houses are sold at such a low price_people expected.A.likeB.as C.that D.whichA.likeB.as C.that D.which4._is known to everybody, the moon travels round the earth once4._is known to everybody, the moon travels round the earth onceevery month.(2001NMET)every month.(2001NMET)A.It B.As C.That D.WhatA.It B.As C.That D.What5.There at the door stood a girl about the same height _. (20045.There at the door stood a girl about the same height _. (2004 北北京春京春) )A.as me B. as mineA.as me B. as mineC.with mine D. with meC.with mine D. with me36._is reported in the newspapers, talks between the two countries6._is reported in the newspapers, talks between the two countriesare making progress.(2004are making progress.(2004 北京北京) )A. It B. As C. That D. WhatA. It B. As C. That D. What7._is often the case, we have worked out the production plan.(20047._is often the case, we have worked out the production plan.(2004江苏江苏) )A. Which B. When C. WhatD. AsA. Which B. When C. WhatD. As8._I explained on the phone,your request will be considered at the8._I explained on the phone,your request will be considered at thenext meeting.next meeting.A.When B.AfterC.AsD.SinceA.When B.AfterC.AsD.Since9.The Beatles,_many of you are old enough to remember,came from9.The Beatles,_many of you are old enough to remember,came fromLiverpool.Liverpool.A.what B.that C.how D.asA.what B.that C.how D.asKeys:CBBBABDCDKeys:CBBBABDCD4