限定性与非限定性定语从句的区别

限制性定语从句与非限制性定语从句,限定性定语从句与非限定性定语从句1.限制性定语从句不用逗号与主句隔开，对所修饰的先行词起修饰和限定作用，去掉后会使主句意义不完整或不太清楚。翻译成.的.2.非限制性定语从句需要用逗号与主句隔开，只对所修饰的词语或主句起补充说明作用，去掉后对主句影响不大。翻译成二个并列句。,Eg:Hewastheonlypersonwhostudiedabroad.Eg:Theboywenttoschoollateagain,whichmadehisteacherveryangry.,1.A.ThisistheplacewhereIlivedtenyearsago.B.SheisgoingtospendthewinterholidayinMacao,whichreturnedtoChinain1999.2.A.HeisamanwhoIcanaskforhelp.B.Hisfather,whoworksinBeijing,camebackyesterday.,引导非限定性定语从句的关系词如下表：,先行词,成分,注意：1.即使引导词作宾语也不能省略。2.引导非限定性定语从句的关系副词主要when,where,(注：that.why不能用于非限定性从句),限制性定语从句举例：(1)TheteachertoldmethatTomwastheonlypersonthatIcoulddependon.非限制性定语从句举例：(1)Hismother,wholoveshimverymuch,isstrictwithhim.要注意区分以下几个句子的不同(1)Hisbrotherwhoisnowadoctoralwaysencourageshimtogotocollege.他那当医生的哥哥常鼓励他要考上大学。（他还有其他的哥哥）(2)Hisbrother,whoisnowadoctor,alwaysencourageshimtogotocollege.他的哥哥是当医生的，常鼓励他要考上大学。（他只有一个哥哥）,1Hemadethesamemistakesagain,_madehisparentsveryangry.2YesterdayIboughtadictionary,_costmemorethan100yuan.3MrSmith,_gaveatalkseveralmonthsago,willcomeagain.4Myunclehascomebackfromabroad,_Ihaventmetforalongtime.,which,which,who,whom,Fillintheblanks,1、在非限制性定语从句中，指事物用which，指人用who或whom.,1.Herbag,sheputallhermoney,hasbeenstolen.2.Thisisthering，shespent1000dollars.3.XiaoWang,Iwenttotheconcert,enjoyedhimselfverymuch.常见的不可拆开的短语:carefor,lookfor,lookafter,sendfor,hearfrom/of/about,getthrough,dealwith,inwhich,onwhich,withwhom,2、在介词后面，指事物用which，指人用whom.,3当先行词为前面的整个主句时，用关系代词which引导非限制性定语从句，这时从句谓语动词要用第三人称单数。HeseemsnottohavegraspedwhatImeant,greatlyupsetsme.他似乎没抓住我的意思，这使我心烦。Liquidwaterchangestovapor,iscalledevaporation.液态水变为蒸汽，这就叫做蒸发。,which,which,非限定性定语从句中as和which相同之处和不同之处相同之处：As和which都可以在定语从句中做主语或者宾语，代表前面整个句子。Eg:Hewashonest,as/whichwecansee.不同之处：as引导非限制性定语从句，可放在主句之前，或者主句之后，甚至可以切割一个主句；which引导的非限制性定语从句只能放在主句之后。另外，as有“正如，正像”的意思(1)Asisknowntoall,Chinaisadevelopingcountry.(2)Heisfromthesouth,aswecanseefromhisaccent.(3)John,asyouknow,isafamouswriter.(4)HehasbeentoParismorethanseveraltimes,whichIdontbelieve.,3.关系代词as既可以引导限定性定语从句，也可以引导非限定性定语从句，as在句中作主语、宾语、或表语。such+名词+as像.一样的，像.之类thesame+名词+as.和.同样的eg:wehavefoundsuchmaterialsasareusedintheirfactory.我们已经找到了像他们工厂里用的那种材料。eg:Thesehousesaresoldatsuchalowpriceaspeopleexpected.这些房子以人们期望的低价出售。eg:Heisnotthesamemanashewas.他和过去不同了。,注意：1、such.as(定语从句）像那样Such.that(状语从句)如此.以至于ThisissuchaneasyquestionasIcananswer.(定语从句)这是一个我能回答的简单问题。ThisissuchaneasyquestionthatIcanaswerit.（状语从句）这是个简单的问题，我能回答。2、thesame.as.表示相似的东西thesame.that.表示同一人或物eg:ThisisthesameknifeasIlost.eg:ThisisthesmeknifethatIlost.,4as引导非限制性定语从句常见结构有asiswellknown/isknowntoallasissaidbeforeasweallcanseeasisexpected/hoped/supposed,.,众所周知,如前所述,正如我们所看到的,正如所盼望的/希望的/料想的,Conclusion,在非限制性定语从句中,一些表达数量或定位的数词或代词.如all/some/one/both/neither/none/any/either等可与of构成介词词组修饰先行词。如先行词指人则用whom，如先行词指物则用which引导从句。,1.Iamdoingdifferenttypesofexercises,allof_arequitehelpfultomyhealth.2.Manypeople,someof_arenotoverweight,aregoingondiets.3.Thereare54studentsinmyclass,threeof_comefromUS.,Otherexamples,which,whom,whom,LiuMeiwhoismyclassmate.Therearemanypeopleagreewiththeidea.AllwhatisneededisasupplyofoilAsisknowntoallthattheChinesepeoplearebraveandhardworking.5.Thisissuchaheavystonethatnobodycanlift.,who,that,as,6)Lastweek,wewenttotheGreatWall,wherewehadagoodtimethere.7)Herparentswouldntlethermarryanyonewhichfamilywasverypoor.8)Thedayswhenwespenttogetherinthecount