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定语attribute对名词或代词起修饰限定作用的词，短语.定语从句RelativeClause对名词或代词起修饰限定作用的句子.定语从句可以分为:限制性定语从句和非限制性定语从句.1.Thegreatwallistheonlyman-madestructurethatcanbeseenfromspace.2.Ihappenedtobesittittingbesideayoungboywhowastravellingalone.3.Thetoughguyswhoteasedandbulliedthelittleboyonthetrain.先行词:定语从句所修饰的名词,代词.关系词:引导定语从句的词.关系词分为:1.关系代词:who,whom,whose,that,which,as,but2.关系副词:when,where,why关系词的三个作用:1.引导定语从句2.代替先行词3.*定语从句中担当一个成分关系词位置:先行词之后,定语从句之前.定语从句的位置:先行词之后.关系代词who的用法1.TheboyswhoareplayingfootballarefromClassFour.2.Themanwhovisitedourclassroomyesterdayisourheadmaster.3.Heisthemanwhotoldmethefunnystory.who:先行词是人,在定语从句中作主语,不可以省略.关系代词whom的用法1.Theman(whom)youmetattheschoolgateisourteacher.2.Heistheman(whom)Isawyesterday.3.Idonotwanttoinvitethosepeople(whom)Idislike.whom:先行词是人，在定语从句中充当宾语，可以省略。关系代词whose的用法1.Iknowtheladywhosehusbandisadoctor.2.Ilikethebookwhosenameisspy.3.Iliveinahousewhosewindowsfacetothesouth.whose:先行词为人或物，在定语从句中充当定语，不可以省略。关系代词which的用法1.Sheisnotonthetrainwhicharrivedfiveminutesago.2.IliveinQingpuwhichisinthewestofShanghai.3.Thebook(which)Iboughtyesterdayisinteresting.4.Isthisthebook(which)youtalkedaboutyesterday?Which：先行词为物，在定语从句中充当主语或宾语，在充当宾语时可省略。关系代词that的用法1.ThemanthatwritesthebookisanEnglish.2.Whereistheman(that)Isawthismorning?3.Thedressthatismademymymothersuitsmeverywell.4.Thebook(that)youpickedupthismorningbelongstoTom.=who=whom=which=which=whichthat:在定语从句中可指人，充当主语是代替who,充当宾语时代替whom（可省略），也可指物，代替which，充当主语或宾语（充当宾语时可省略。）词形先行词在从句中充当的成分关系代词who人人宾语whosewhich物that主语,宾语主语whom定语人,物主语,宾语人,物revision1.Thebank___________wasopenedyesterdayisaverymodernone.2.Doyouknowanyone___________wantstobuyasecond-handcar?3.Hegaveatiptotheporter___________carriedhisluggage.4.Isawsometrees___________leaveswereblackwithdisease5.Thatistheonlything___________hehasinhispocket.(which/that)thatwho/thatwhose(that)6.Thethief______hadrobbedthemanwascaughtbythepolice.7.Themonumentwasthefirstplace___________theywenttovisitwhiletheywereinChina.8.LittlePeterhadadream_________hewastakentothemovies.9.Themoney________heboughtthebikewasgivenbyhisfatherwhowhich/thatinwhichwithwhich10.AnnWhite,__________wereceivedtheinvitation,livesnextdoortous11.Aperson_________youworkwithiscalledacolleague12.People_________arepaidtoworkforotherpeoplearecalledemployees14.Itistheonlyman-madestructure________canbeseenfromspacefromwhomwhomwho/thatthat注意点：Theman__________youtalkedaboutisourEnglishteacher.Themanaboutwhomyoutalkedisourteacher.Thecountry__________hecomesfromisinAfrica.ThecountryfromwhichhecomesisinAfrica.(whom/that)(which/that)1.关系代词which或whom在定语从句当中作介词宾语时，可以省略。但也可以把介词提前，放在which或whom的前面，但不可以省略。2.*that在定语从句中也可以作介词的宾语，但介词不能放在that前面。Thisisthebook(which/that)youarelookingfor.(T)Thisisthebookforwhichyouarelooking.(F)但是有些固定词组，如：lookfor,takecareof,lookafter.beinterestedin等，不可以拆开，在定语从句中介词仍要放在动词的后面，不可以放在which或whom的前面Pleaseshowmethebook______coverisred.whosePleaseshowmethebook,thecoverofwhichisred.Pleaseshowmethebook.Thecoverofitisred.2.whose+n.=the+n.+ofwhich3.只能用that不能用which的情况1.当先行词为形容词最高级修饰时2.(eg)ThisisthetallestbuildingthatIhaveeverseen.3.ItisthemostinterestingfilmthatIhaveeverseen.2.当先行词由序数词修饰时(eg)ThisisthefirstnovelthatIread.Thelasttrainthatleaveshereisat8:00.3.当先行词由only,no,very(adj.正是，恰好是)修饰时(eg)ThisistheverydictionarythatIwanttobuy.Thisistheonlybookthatinterestsme.4.当先行词为*something,anything,nothing,everything,no,little,all时(eg)ThereislittlethatIcandoforyou.Allthatglittersisnotgold.*something:后面既可以用which,也可以用that.5.当先行词既有人又有物时(eg)Doyouknowthethingsandthepeoplethattheyaretalkingabout?Canyounameawriterandhisworksthatwehavelearned.6.不重复原则(eg)Whothathasseentheboydoesn’tlikehim.whoisthewomanthathasbeenpraisedatthemeeting?Whichisthebookthatyouliked?*What’sthatwhichyouwanttosay?只能用that不能用which的情况1.当先行词为形容词最高级修饰时2.当先行词由序数词修饰时3.当先行词由only,no,very(adj.正是，恰好是)修饰时6.当先行词为*something,anything,nothing,everything,no,little,all时,或者先行词由every,some,any,much,all等修饰的时候.4.当先行词既有人又有物时5.不重复原则Exercises:1.Thisisthebook__________Iwanttoread2.Thisistheverybook______Iwanttoread.3.2.Thisisaninterestingfilm__________Ihaveeverseen.4.Thisisthemostinteresting______Ihaveeverseen.5.3.Isthereanything______Icandoforyou?6.4.Haveyouwrittendowneverything______MissYansaid?which/thatthatthatwhich/thatthatthat5.Thereisnostudent_______isnotinterestedinmusicnowadays.6.Thereismuch______youcando.7.Johnkepttalkingaboutthepeopleandtheincident_____hemetwithduringthejourney.8.Whoistheman______isstandingthere?9.Youcanborrowanybook______youwant.10.Thereismuchmoney______heleftonthedesk.thatthatthatthatthatthat4.oneof+复数名词+关系代词+谓语动词(复)the(only)oneof+复数名词+关系代词+谓语动词(单)(eg)Heisoneoftheactorswhoaremyfavorites.Heisthe(only)oneoftheactorswhoismyfavorites.他是我最喜欢的演员之一.他是我最喜欢的唯一的一个演员.exerciseSunWenisoneofthosewomenplayerswho______(play)soccerwell.Titanicisoneofthemostwonderfulmoviesthat________(be)producedinHollywood.Titanicisthe(only)oneofthemostwonderfulmoviesthat_______(be)producedinHollywood.playhavebeenhasbeen关系代词as的用法关系代词as可以指人,也可以指物,通常与thesame,such连用,在定语从句中可以充当主语,宾语,表语.Hewasnotsuchamanaswouldleavehisworkhalf-done.Ihopetogets