初中英语定语从句

定语从句基本识讲在复合句中修饰名词或代词的从句叫做定语从句定从句修饰的名词或代词叫先行词来导定语从句的词叫关系词（分为关系代词和关系副词从句一般放在先行词之后。如：Thisiswhowillusatalkonscience.先行词关词定语从句关系词的作用关词whomwhich

在语句的分主语宾语定语主语或宾语主语或宾语时间状语地点状语原因状语

指对人人人或物人或物物时间地点原因一由系词导定从英语中的关系代词有whom,和as它们的用法如下：，用和指人，在从句中分别作主语、宾语。作动词语时常被省掉。在口语中可用替。Theyoungworkerinventedtoolisbrother.Thisisboy()Ihelped.which的用which物，在从句中作主语或宾语，作宾语是在非正式体中可以省略。如：ThethesecarsisThisisbook(whichyouwant.的用法指或物，表示......的”在从句作定语，不可省略时可用ofwhich替。如：youliveinroomwhosewindowopenstotheThisisstudentwhosepronunciationbestinclass.that的法既指人，也可指物，在从句中作主语或宾语。作宾时，在非正式语体中常省略。如：TheresixblindmenlivedinavillageinWheatisplantthat/whichisinnorthofChina.Theletter()Iwasfrommy[注意]只能关代that的合既可以指人也可以指物，但在下列场合，要用，不用which或。先词是不定代词all，，等，只能用that如：sallIthatparentsforgood先词被，any，the，thevery恰好little，few等修饰时。如：youforgivingmethebookIlookingHeonlypersonwaspresentIhaveallbooks(thatyou

指的先行词被形容词的最高级或被序数词修饰时。如：ThisisbestfilmbeenshownIlikematchthatwasheldweek.先词中既有人又有物时。如：Thethehorseriderintotheriver.Hetalkedschoolandthehadvisited.当行词为theway，the，时，但通被省略。如：Itlikethethatyoutoher.Thisistime()Ishallhelp在which或引的特殊疑问句中，为避免重复用引取代或who。ismanthatisourheadmaster?Whichthatyoulikebest?用不用的况1.在导非限定性定语从句时。invitedmetovisitwhichverykindof2.先词指物，在从句中紧接在介词后作宾语时。WedependfromwhichourWedependourfrom3.先词本身是时为免重复which。What’swhichinskynow?指人时用而用that的况1.在限制性定语从句中用who，用that。uncle,whoworksinis2.当行词是指人的不定代词one,one,alllikethosewhogoodAnyonelawshouldbepunished.3.在therebe句中，先行词既作主语又表示人时Therelikelisteninghislessons.

等，用who二关副引的语句英语中的关系副词有，，等。在定语从句中充当状语一般不可省略。的法指间、修饰表示时间的先行词，定语从句中作时间状语，相当于t/in/on。：HowcanI(=onwhich)IYouthIthoughtofdayswhich)together.Hecameatwhenthestudentsneededwhere的用指点修饰表示地点的先行词，在定从句中作地点状语，相当于in/atwhich。：Thisisfarm(=onwhich)myonceworked.Thatisplace(=inwhich)welivedtwowhy的法指因，修饰名词reason，在定语从句中作原因状语，相当于forwhich。：Itknowwhy(=forwhich)yougetsowithme.youthewhywaslateforschool?[注意]表示间地的词关系的用

当先行词是表示时间、地点的名词时，有时用when/where，有时用which引导定语从句。这时要据从句的谓语动词是及物的还是不及物的而定。如果是及物动词就用that/（作从句的主语或宾语果不及物动词，就用when/（从句的状语比：Thisisyear.Thisisthat/whichheIthoughtofhappydayswhenIinBeijing.Ihaveneverdaystogether.注词+”构“介词+which”在定语从句中作时间地点、原因状语，相当于whenwhere、whyIrememberon(=when)Iwontheprize.WearevisitplaceinwhichLuXunoncelived.“介词+which/whom”结构中，介词不能移到从句的后面。Thisisplacetowork.应根据语从句后面的动词和介词的搭配关系来选择介词。TheonI20yuanisThisisinwhichwelived固定词中的介词不可提前。The(who/whom/that)lookingisThisiswatchIlookingfor.使用定语从句时应注意的问题关系代作主语时，定语从句的谓语动词的单复数由先行词决定。willlovecountryThestudentsinTwoleaveschoolnextmonth.使关系代词的情况：定语从句中的谓语动词为及物动词而后面又无宾语，或者从句中缺主语或表语时使用关系副词的情况：定语从句中的谓语动词为不及物动词，或已有了主语、宾语和表语等成时。IwillneverdaysspentIplaceweswim.Hedidnttellthatexplainabsence.Thereasonthat/whichtbelievable.先行词way,为“方式、方法”时，引导定语从句的关系代词有thatinwhich和省略三种情况。Itunderstandway(that/inwhich)outtheproblem.先行词time，若示“次数”讲时，应用关系副词w、atwhich或duringwhich引导的定语从句。ThisisfirstIsolveThatwhen/duringtherecomputers.当先行表示某人、某物的situation情形某发展的（段）时要用系副词where。findwherephrasecanbe选择allstreetsinstraightlines,________easttowest.________northtosouthareavenues.running;thatB.C.running;D.run;that2.Thisthecase________’sallhismoneystolen.whenB.whereD.whichSmithwillpayavisit________wewillenjoytheOlympicGamesinA.D.howwillnotpeopleanimalswillanything________thatthelittlegirlhimgirlaskshim

C.forthelittlegirltoaskhimD.girl—HowyougetinwiththeRobin?—Oh,thateasy.surfedInternetthencalledone_____thetelephonewhichinwhichC.whichOctoberbirthday,IwillwhenB.thatC.whatD.whichwillcontinueuntilthepointheandwhenB.whereC.whichD.whoseareresearchin________diseaseBirdbeingwhichwhereC.whenwhatIthatthelittleIbeentododoesthemwhichwhat10.isnotfar________willbecomewidespreadinChina’svastcountryside.asB.untilD.before11.knowntoTaiwanmustunifyit.ItB.AsC.WhichD.12.Ineverforgetthe________ShenV________aeffectwhen,whichB.whichwhich,when,that13.wifemakesthanbuystore.thatwhichB.thatC.ofwhichofwhich14.isnoplaceyouinthisworld.thatB.C.which15.________haddamagedweregivenbyCross.allwhosehomesB.allofhomesC.alltheirhomesalloftheirhomes16.aredestroyingdaybyday,________ofcourse,willfromitsoonerC.onD.which17.researchcenter________youvisitedmodernequipmentlastwhereB.thatC.oneD.where18.broughtthebacktoold________theyswaminwhenB.thatC.who19.showedussoheavyastonenomancanlift.thatC.whichD.20.Hestayedforquitelong________timeheA.thatC.whichD.