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RevisionofThisistheboywhowearelookingfor.Thisistheboywhowearelookingfor.theboywhoHowtochooseaproperrelative?1.看是限制性定语从句还是非限制性定语从句。2.看先行词指人还是指物。3.根据关系词在从句中所作的成分。①Theperson________oftencomestohelpmeismyfather.A.whoB.whomC.whatD.which②Icanneverforgettheday___weworkedtogetherandtheday___wespenttogether.A.when;whichB.which;whenC.what;thatD.onwhich;whenAA成分所指关系词主语指人指物宾语指人指物定语指人指物that/whothat/which(that/who/whom//)(that/which//)whose/ofwhomwhose/ofwhichRelativepronounsTheyliveinahousewhosewindowsfacesouth.Theyliveinahousethewindowsofwhichfacesouth.Theyliveinahouseofwhichthewindowsfacesouth.Concludeaformula(公式,规则):whose+n=the+n+ofwhom/which=ofwhom/which+the+n.Exercise1.Ihaveafriend______likeslisteningtoclassicalmusic.2.YesterdayEmilywaswearingthenewdress_________Igaveher.3.Theman_______legwasbrokeinamatchusedtobeafootballplayer.4.Lilyisreadingabook______istoodifficultforher.5.Thefamily_________Iamstayingwithlivesintown.6.Iknowthestudent______articlewaspublished.7.Myparentsliveinahouse________ismorethan100yearsold.8.Thething________isneedediswater.9.Wedon’tknowthenumberofpeople________losttheirhomesintheearthquake.10.Luckilynoneofthepeople_______Iknowwerekilledintheearthquake.whoseWhich/thatWhich/thatWho/thatWho/thatFillintheblankswithwho,whom,which,whoseorthat.1.Aclockisamachine_________tellspeoplethetime.2.Anurseisaperson__________looksafterpeoplewhoareill.3.Thehouse_________heislookingforisveryexpensive.4.Heistheperson_________Imetintheparkyesterday.which/thatwhom/that//which/that•Sheistheengineer________workisconsideredtobethebesthere.•Ihavelostthewatch_________myfathergavetometwoyearsago.•Thisistheperson_______storysurprisedeverybody.•Theperson_______designwerethebestwasMr.King.whosewhich/that//whosewhose1.Thepeople______workhardallthetimewillachievetheirsuccessonedayinthefuture.2.Thewoman________bagwasstolenisveryangryatit.3.Ourhometownisnottheone_________itusedtobe.4.Doyouknowthestudentto________ourteacheroftentalks?5Haveyouheardoftheaccidentabout________wearetalkingjustnow?Who/thatwhosethatwhomwhichdifferencesbetweenand1.用that一般不用which的情况(1)先行词是不定代词all，none，little，much，everything，nothing等时；(2)先行词被形容词最高级修饰时；(3)先行词被序数词或thelast，theonly，thevery修饰时；(4)先行词既有人又有物时；(5)关系代词在限制性定语从句中作表语时。Irefusetoaccepttheblameforsomething______wassomeoneelse’sfault.A.whichB.thatC.asD.whatThatisthebestscenery______Ihaveeverseen.A.whichB.thatC.whoD.what2.只用which不用that的情况1)关系代词在定语从句中紧跟介词作宾语（介词提前）。eg.1.Therearemanytreesunderwhichtheycanhavearest.2.Thisistheringonwhichshespent1000dollars.•2)在非限制性定语从句中。eg.Football,whichisaverypopulargame,isplayedallovertheworld.1.Thisistheverydictionary_____Iamlookingfor.2.Thereisnothing______canpreventhimfromdoingthat.3.Those______breaktherulewillbepunished.thatFillintheblankswiththeproperrelativewordsthatwhodifferencesbetweenand1.只用who的情况先行词是one,ones,anyone,those,he,she,they等时用who.eg.Onewhohasnothingtofeardarestotellthetruth.Theoneswholaughatthedisabledarenotgoodstudents.Anyonewhofailstofinishthetaskshouldbepunished.ThosewhowanttogotoTheGreatWallsignuphere.只用whom,不用that/who的情况•关系代词在定语从句中紧跟介词作宾语（介词提前）。•eg.He’sthemanfromwhomIlearntthenews.differencesbetweenand名称限制性定语从句非限制性定语从句形式其前无逗号其前有逗号翻译译在先行词前(译作先行词的定语)译成与主句并列的一个分句(译作两句)功能修饰名词或代词可修饰名词或代词，也可修饰整个主句关系词可用that；作宾语的关系代词常可省不可用that引导；关系词一律不省意义起限制作用(不可省)起补充说明作用(可省)a.Ihaveasisterwhoworksinahospital.b.Ihaveasister,whoworksinahospital.当先行词指的是世界上独一无二的事物时。Themoon,whichis384,400kilometersawayfromtheearth,goesaroundtheearth.只用非限制性定语从句的情况：先行词是人名、地名、国名、建筑物等专有名词时。YesterdayheleftAmerica,wherehehadstayedfortwoyears.只用非限制性定语从句的情况：1.Hefailedinthefinalexam,whichmadehisfatherveryangry.2.Theresultturnedouttobegood,whichwehadn’texpected.differencesbetweenand6.as和which引导非限制性定语从句的比较相同点：(1)先行词都可指代整个主句；(2)都可在从句中作主语、宾语或表语。不同点：(1)as引导的从句可位于句首，而which则不行；(2)as“正如…”，而which“这一点”。3.Hemadealongspeech,_______wasexpected.4.Hemadealongspeech,_______wasunexpected.5.Tomdrinksaloteveryday,_______hiswifedoesn’tlikeatall.whichwhichas1.HemustbefromAfrica,_________canbeseenfromhisskin.2.Heinvitedmetodinner,_______waskindofhim.whichas/which____isknowntoeveryone，themoontravelsroundtheearthonceeverymonth.A.ItB.AsC.WhichD.WhatMyfatherhasreturnedfromabroad，______makesourfamilyveryhappy.A.thatB.whichC.itD.asBBas多用于下列习惯用语中asanybodycanseeasiswellknown=asisknowntoallaswehadexpectedasoftenhappensashasbeensaidbeforeasismentionedabove介词＋关系代词的用法1.介词的确定方法•Themoney_______whichyouweretobuydogfoodisgone.•Hewillneverforgettheday____whichhefailedintheexam.①根据先行词来确定onwithWethoughtyouwereaperson_______whomwecouldexpectgooddecisions.TheWestLake,____whichHangzhouisfamous,isabeautifulplace.②根据定语从句中的谓语动词或形容词的习惯搭配确定forfrom1.Doyoulikethebook________shespent$10?2.Doyoulikethebook________shepaid$10?3.Doyoulikethebook________shelearnedalot?4.Doyoulikethebook_________sheoftentalks?onwhichforwhichfromwhichaboutwhich介词+关系代词的使用Air,________whichmancan’tlive,isreallyimportant.③根据定语从句所表达的意义来确定withoutThepen_____whichheiswritingnowwasboughtyesterday.with用介词＋关系代词填空1.Who’stheperson__________youjustshookhands.2.Iknowaladythehusband_________is