as和which引导非限制性定语从句的区别

as和引导非限制性定语从句的区别1as引的非限制性定语从句，位置灵活，可以置于主句的句首、句中或句末；行词不可是一个词须是整个主句或句的部分内容正如等思表依据评（、态度、看法）等；如：Thiselephanta，anybodycan．像任何人都能看见那样，这头象像条蛇。Hefailedinthehadexpected.Tomhaspassedtest,asknows.正每个人所了解的那样，汤通过了考试。【比较：Bambooiswhichitvery．子空的，这就使得很轻常用以下谓语动词的主、被动语态know,see,say,expect,imagine,hope,believe,announce,suggest,report,point„例主（做宾know,asknow,aseverybodyknows;asyouwecansee,wehaveseen,asanybodycansee;aswasexpected;aswecanimagine,ashave„Asknow,earthround.Hewasforeigner,asIknowfromaccent.Mike,asexpected,attendedthe像我们所期望的那样，迈克参加了会议。被动（做主knowntoeverybody,asisknowntoasexpected;asisoftenthecase(with„haspointedout,asisusualwith,asisreportedthe„Heisanhonestman,isknowntoAsoftencasewithyoungpeople,hewasoverconfident.Hewasn't，couldbejudgedfromeyes．并未失去知觉，从他的眼神可以判断出来。2which引导非限制性定语从句，只能置于句中或句末（不可置于句首，只能置于先行词之后行即可是一个词，也可是整个主句或主句的部分内容；是整个主句时，从句谓语动词用三单。HenothavegraspedwhatImeant,whichgreatlyupsetsme.他乎没抓住我的意思，这使我心烦。Liquidtovapor,whichiscalledevaporation.液水变为蒸汽，这就叫做蒸发。Hestudiedatschoolwhenhewasyoung,leadstosuccesshislater有“这、这一点”等意思，表事实、状态、起因、转折、让步等；如：hollow，whichmakesitvery．竹子是空的，这就使得它很轻。Herhouse,whichwasbuiltahundredyearsago,stoodintheearthquake.她的房子尽管是一百多年前建造的，但他在地震过后依然耸立）【比较：Hefailedinaswehad】Hewaslateagain,histeacherangry.行词是一个句)Hewasproud,whichIdislikeverymuch.Hewasproud,whichhisbrotherneverwas.Shewasverypatienttowardsthechildren,whichherhusbandseldomwas.Shewasawardedgoldmedal,thefamilyconsideredgreat常用“＋”构Theyarrivedatafarmhouse,frontsatsmallboy.Heisalibraryassistant,whomIborrowedbooks.isafamousschool,graduated3yearsago.

Heismyson,againstwhomabetterdoesnotHestoodatfrom(/hecouldwashappening.Thereisatalloutside,which(/where)standsourteacher.用“n./pron./num./adj比或最高级+prep.+which/whom”构，表示先行词的一分Theytalkedaboutamovie,nameofwhichI'venever他谈论过一部电影决不会忘记片名。Hepaid$10forwashingtenwindows,hadn'tbeencleanedforatleastayear.IntheChinesegotgold，16.5ofwhichwonby．悉尼奥运会，中国队夺得了28枚牌，其中16．枚女子夺得的。Chinahasalotofrivers,thelongesttheYellowRiver.ChinahasthousandsofthelargestofwhichTaiwan中国有数千个岛屿，其中最大的是台湾岛。先行词是独一无二的事物或是专有名词时。Thewhichdoesn'tgiveoutlightonlyasatelliteofthe球本身不发光，它只是地球的一个卫星。CharlesSmith,whowasteacher,retiredlast查理去年退休了曾是我的老师。Mr.Zhang,whocameseeyesterday,isanoldfriendofmine.Beijing,whichhasChina'scapitalformorethan800years,isrichinculturalhistoricrelics.北京是中国八百年之久的古,它着丰富的文化和史遗产。The，usedtofloodevery，runsmoreregularly．尼罗河年年涨洪水，现在比较正常地在大坝下面流过了。Lastyearhe，．去年去了埃及，埃及在非洲。We'llgraduateinJuly,whenwewillbefree.我们将于七月份毕业，到那时我们就自由了。先行词被物主代词和指示代词修饰时Myhouse,Iboughtlastyear,hasgotalovelygarden.我去年买的的那幢房子带着个漂亮的花园。My，whichhas35people，large．我家有35口，是一个大家庭。Thisnovel,whichIhavereadthreetimes,isverytouching.这本小说很动人，我已经读了三遍。先行词是表人的职业、品质、身份等名词，作定语从句的表语，主从句之间含对比的意思。Mike'sbrothera，isn't．迈克的哥哥是警察，他可不是。Hersisteralawyer,whichshebe.她的妹妹成为了一名律师，而这是她曾经的愿望。在否定意义的非限制性定语从句里（即否定意义的非限制性定语从句不可用as引导Tomhaspassedtest,whichnobodyknows.汤通过了考试，但却没人知道。Hecametobirthday，whichIdidn'texpectat．来参加我的生日聚会了，这我完全没有想到。LiLingisvery，whichLong．玲很聪，李珑可不是。Hemarriedher,whichwasunexpected.Hemarriedher,as/whichwasnatural.Tomhaspassedtest,asnobodyknows.(×Hemarriedher,aswasunexpected.(×HecametobirthdayasIdidn'texpectatall.我全没有想到他来参加我的生聚

会。×LiLingisvery，Longisn't.李很聪明，李珑可不是(×)互换条件：非限定从中的as表依据评论which表实状态等，但差别不大时可互换。注意位置：which引导的非限制性定语从句不能置于句首。例如：Heisquitepleased,as/whichcanbefromhis他非常兴，从他的表情可以看出来。Youalwaysworkhard,as/whicheveryoneknows.大都知道，你一向勤奋学习。Ascanbeseenfromhisskin,hemustbeAfrica.=HeAfrica,which/asbefromhisskin.Asseen,covermorethan70percentofearth.=Oceanscovermorethan70percentofearth,aswehaveseen.Asyouknow,Jackishonestman.=Jackishonestman,asyou=Jack,know,isanhonestman.Asknownheisahero.=Heisahero,which/asknown=Itisknownallthatisahero.(that引导的不是定从，而是真主)Asknow,harmfulto