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观察下列句子，判断划线部分的句子成分。结论：作定语,修饰句中的名词或代词。1.Hewasadvisedtoteachthelazyboyalesson.2.TheboysplayingfootballareinClass3.3.Alongthewaychildrendressedinlongwoolcoatsstoppedtolookatus.观察判断4.Natureisonethingthatreallymustbeexperienced.5.ThosewhoreportedthenewswereexpectedtospeakexcellentEnglish.若修饰句中的名词或代词的是句子，则被称作定语从句。在复合句中，修饰某一名词或者代词用作定语的句子就叫做定语从句。被定语从句修饰的词，叫先行词。定语从句的引导词叫关系词。定语从句的概念定语从句分类TheRestrictiveAttributiveClause限制性定语从句TheNon-RestrictiveAttributiveClause非限制性定语从句ourschool1.Ourschoolisabeautifulplace.2.Wearestudyinghappilyinourschool.Ourschool,______wearestudyinghappilyin,isabeautifulplace.whichourclass1.Ourclassisabigfamily.Ourclassisabigfamily______ismadeupof33girlsand26boys.which2.Itismadeupof33girlsand26boys.ourclass1.Thestudentsarefromourclass.2.Theyarecompetinginthetugofwar.Thestudents_____arecompetinginthetugofwararefromourclass.whoTheboy______isreadingabookoverthereismyfriend.1.Theboyismyfriend.2.Heisreadingabookoverthere.Myfriendwho1.Heisapopularsinger.2.Hissongispopularamongyoungpeople.Myidol(偶像)Heisapopularsinger______songispopularamongyoungpeople.whose引导定语从句的关系代词关系代词的句法功能及指代功能关系代词处在先行词和定语从句之间，身兼三职：连接主从句的纽带、替代先行词和在从句中充当某种句子成分。关系代词分类指人：who,whom,that指物：which,that指所属关系：whose1.Theladywho/thatcametoourclassisfromAustralia.2.Doyouknowtheman(who/whom/that)wesawattheBeijingHotel?whom只在从句中作宾语，充当宾语的关系代词可省略。一、指人的关系代词who\whom\thatDoyouknowthedoctor?Hespokejustnow.Doyouknowthedoctorwhospokejustnow?练一练用定语从句连接下列句子：ThegirlisfromAmerica.Icalledherjustnow.Thegirl(whom)IcalledjustnowisfromAmerica.1.当先行词是人称代词或one,ones,anybody,anyone,all,none,those等指人时，一般用who,不用that。2.在非限制定从中，作主语用who,宾语用whom。Those_____wanttogotothecinemawillhavetowaitatthegateoftheschool.注意：He_____laughslastlaughsbest.whowhoHiswife,_____worksasanurse,isakind-heartedwoman.who3.在以疑问词who开头的句子中,或关系代词在从句中作表语时,多用that；Whoistheman_____isshoutingthere?Sheisnotthegirl_____sheusedtobe.thatthat1.Anyone______smokesintheseplaceswillgetabigfine.2.Whodoyouthinkisthegreatestperson_____haseverlived?3.Mybrother,______yousawyesterday,isgoingtotheUSAforfurtherstudy.whothatwhomwhich/that指物,在句中作主语或宾语,作宾语时可以省略。1.I’mnotinterestedinthebookwhich/thathasjustbeenpublished.2.Thisisthewatch(which/that)Iamlookingfor.二、指物的关系代词which\thatIhavereadthenewspaper.Itcarriestheimportantnews.Ihavereadthenewspaperwhich/thatcarriestheimportantnews.练一练用定语从句连接下列句子：Ishowedhimtheletter.Ireceiveditthismorning.Ishowedhimtheletter(which/that)Ireceivedthismorning.多用that引导定语从句的情况：1.先行词为all,none,any,little,few,everything,nothing,anything等不定代词，或被all,every,any,little,few,much,no等修饰时；2.先行词被just,theonly,thevery,the+序数词,the+形容词最高级等修饰：Thisisthecleanestpark(that)youcanimagine.注意：Thereisnothingintheworldthatcanfrightenme.Whichisthecoursewearetotake?Hetalkedaboutthethingsandpersonshehadvisitedinthecity.3.在who、which引导的特殊疑问句中；或关系代词在从句中作表语。4.先行词同时有人又有物时。5.在therebe句型中。that(that)Thereisaseatinthecornerisnottaken.that1.Allthepresents_____yourfriendsgaveyouonyourbirthdayshouldbeputaway.2.Doyouhaveanything______youdon’tunderstand?thatthat3.ThisisthebestTV_______ismadeinChina.4.Thefirstmuseum_______hevisitedinChinawastheHistoryMuseum.thatthat5.Theonlything_____wecandoistogiveyousomeadvice.that6.Theterribletyphoonkilledthepeopleandcattle______wereinthefield.thatTheschoolinwhichheoncestudiedisveryfamous.Xiamen,whichislocatedinthesouthofFujian,isabeautifulcity.不用that要用which引导定语从句的情况：1.当关系代词充当介词的宾语，且介词放在关系代词前面时,多用which(先行词为人时则用whom).2.在非限制性定语从句中。注意：1.Herbag,________sheboughtlastweek,hasbeenstolen.2.Thisistheringon________shespent1000dollars.3.XiaoWang,with________Iwenttotheconcert,enjoyeditverymuch.whichwhichwhom三、表示所属关系的whose例:1)Thisisthescientistwhosenameisknownallovertheworld.2)HehaswrittenabookwhosenameI’vecompletelyforgotten.whose引导的定语从句，先行词既可以是人，也可以是物，在从句中作定语，修饰后面的名词，构成从属关系，同所修饰的名词一起充当从句中的主语或宾语。1.Theriver_________banksarecoveredwithtreesflowstothesea.Theriverflowstothesea.1.Itsbanksarecoveredwithtrees.whose2.Thebanksoftheriverarecoveredwithtrees.2.Theriverthebanksof________arecoveredwithtreesflowstothesea.=Theriverofwhichthebanksarecoveredwithtreesflowstothesea.which1.Ilivenextdoortoacouple________childrenoftenmakealotofnoise.2.Thetreesof______theleavesareyellowsuggestthecomingoffall.3.Hersons,bothof_______workabroad,ringherupeveryweek.whosewhichwhom1.Finishtheexercisesonpage29.2.PreviewUnit4.