八年级英语 定语从句ppt

定语从句Whichbabyismycousin?穿红裤子的宝宝是我表弟。Thebabyismycousin.whoiswearingredtrousersmycousinWhichhouseismine?右边的房子是我的。Thehouseismine.（whichis)ontherightmyhouse定语从句及相关概念•概念：在复合句中，修饰某一名词或代词的从句叫定语从句。•ThegirlwhoisstandingthereisMary.•先行词关系词•先行词：被定语从句所修饰的词。关系词：引导定语从句的词。•Question：what可以引导定语从句吗？引导定语从句的词有哪些呢？关系词先行词所指关系代词thatwhichwhowhomwhoseas关系副词whenwherewhy人/物物人（主语/宾语）人（宾语）人/物人/物时间地点原因关系词关系代词:1.who指人,作主语或宾语(作宾语可省略）ThemanwhoItalkedwithisourteacher.Apersonwhostealsthingsiscalledathief.2.whom指人,作宾语(作宾语可省略,如介词提前则不能省)Theman(whom/who)ItalkedtoisDavid.ThemantowhomItalkedisDavid.3.which指物，作主语或宾语(作宾语可省略,如介词提前则不能省)Thesearethetreeswhichwereplantedlastyear.Thisrecorder（which）heisusingismadeinJapan.Isthisthelibrary(which)youborrowbooksfrom?Isthisthelibraryfromwhichyouborrowbooks?4.that指人/物，作主语或宾语(作宾语可省略）Aplaneisamachine.Itcanfly.Aplaneisamachinethatcanfly.Heistheman.Itoldyouabouthim.Heistheman(that)Itoldyouabout.有些情况下，只能用that，而不能用which.1.先行词是最高级形容词或它的前面有最高级形容词时.2.先行词是序数词,或它前面有一个序数词时.3.主句已有疑问词who或which时4.先行词既有人又有物时5.先行词是all,much,little,something,everything,anything,nothing,none,theone等代词时6.先行词only,any,few,little,no,all,oneof,thevery等词修饰时(1)Thescientistisveryfamousintheworld.Wemetheryesterday.ThescientistØwemetyesterdayisveryfamouswhointheworld.whomthat(2)Thedressisnew.Sheiswearingit.Thedressthatsheiswearingisnew.whichØJointhesentencesintoone.(3)Heisthekindperson.Ihaveeverworkedwithhim.(4)Thisisthebestfilm.Ihaveeverseenthisfilm.HeisthekindpersonthatIhaveeverworkedwith.whowhomØThisisthebestfilmthatIhaveeverseen.Ø1.Thefactoryisasmallone.Thefactorystandsneartheriver.2.Haveyouansweredtheletter?Yougotthatlettertwoweeksago.Thefactorywhichstandsneartheriverisasmallone.Haveyouansweredtheletterthatyoureceivedtwoweeksago?Practice.3.Theboystudentisveryyoung.Hewonthegame.4.Myuncleboughtthebooklastweek.Thebookisveryinteresting.Theboywhowonthegameisveryyoung.Thebookwhichmyuncleboughtlastweekisveryinteresting.B2Explainwhatthepicturesshow.1Thisistheboywho/thatfeelsverydull.2Thisisthedogwhich/thatkeepsrunningrings.3Thisisthebabywho/thatmaybitepeople.4Thesearetheplateswhich/thatthemotherhasbroken.5Thisistheboy’sbrotherwho/thatalwaysroars.6Thisisthedoorwhich/thattheboy’sgrandpakeepsslamming.B3Explainwhatthegiventhingsare.1What’sthisthing?It’scalledanelectriclight.Whatdoesitdo?It’sathingwhich/thatgivesyoulightatanytime.That’samazing!B3Explainwhatthegiventhingsare.2It’samachinewhich/thatcancarryyouanywhere.3I’tsathingwhich/thatletsyoutalktopeoplefaraway.4It’sathingwhich/thatcarriesyouupordowntootherfloors.5It’samachinewhich/thatfliesintheair.6It’saboatwhich/thatcangounderthesea.B5Completethepassagewithgivenwords.Thenextday,peoplediscoveredthebodyofDr.Robinson.Theyfoundtheknifewhich/thatbelongedtoMuffPotter.Soon,Muffhimselfwascaught.InjunJoetoldeveryonethatMuffwasthemanwho/thathadkilledthecoctor.Muffwastakentoahousewhich/thatwasusedasaprison.B5Completethepassagewithgivenwords.Weekslater,Muff’strialstarted.EveryonethoughtMuffwouldbehanged.Nooneknowthatthereweretwoboyswho/thathadseenthekilling.Then,atthelastmoment,thelawyerwho/thatwashelpingMuffcalledoutTom’sname.Tomtoldthejudgethathehadseeneverythingthathadhappenedonthatterriblenight.HesaidthatInjunJoewasthemanwho/thathadreallystabbedthedoctor.Atthismoment,InjunJowjumpedthroughawindowwhich/thatwasnearhimandescaped.Muffwassetfree.Hewasverygratefultotheboywho/thathadsavedhislife.APoemtosharewithyouTrytoputitintoaChinesepoem!ThewindWhohasseenthewind?NeitherInoryou:Butwhentheleaveshangtrembling,ThewindispassingthroughThewindWhohasseenthewind?NeitherInoryou:Butwhenthetreesbowdowntheirheads,Thewindispassingby.风谁曾见过风的丰姿?我未曾见,你未曾见.但见树叶欢快微颤,那是风在轻拂风谁曾见过风的丰姿?我未曾见,你未曾见.但见茂林上下狂摆,那是风在劲吹.