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1、Unit4EarthquakesGrammar修饰主语、宾语、表语的句子就叫做定语从句。引导定语从句的关联词有：定语从句关系代词：who,whomwhose,which,that关系副词：when,where定语从句的位置定语从句一定放在被修饰成分之后。e.g.Thisisthecarwhichheboughtlastyear.先行词定语从句Doyouknowtheman?Hespokejustnow.Doyouknowthemanwhospokejustnow?whom指人,在从句中作宾语,可省略。e.g.Doyouknowtheman(whom)wesawattheBeijing
2、Hotel?ThegirlisfromAmerica.Icalledherjustnow.Thegirl(whom)IcalledjustnowisfromAmerica.which指物,在句中作主语或宾语,作宾语时可以省略。e.g.I’mnotinterestedinthebookwhichhasjustbeenpublished.appletheredthegreenthesmallthebigTheapplewhichisredismine.Theapplewhichisgreenisyours.Theapplewhichisredissmall.Theapplewhichis
3、greenisbig.Ihavereadthenewspaper.Itcarriestheimportantnews.Ihavereadthenewspaperwhichcarriestheimportantnews.Ishowedhimtheletter.IreceiveditthismorningIshowedhimtheletter(which)Ireceivedthismorning.that指人或物，在从句中做主语或宾语,作宾语时可以省略。ThehousethatI’mgoingtobuyfacessouth.They’retalkingaboutthefilm.Ihave
4、seenthefilm.They’retalkingaboutthefilm(that)I’veseen.ItwaswrittenbyLaoshe.Janehasborrowedthebook.JanehasborrowedthebookthatwaswrittenbyLaoshe.*先行词前有下列词语修饰时,定语从句必须用that引导。all,every,any,little,few,much,no,only,very,the+序数词,the+形容词最高级eg.Thisisthecleanestparkthatyoucanimagine.eg.Thisistheonlybookth
5、athasbeenwritteninFrench.eg.Hetalkedaboutthethingsandpersonshehadvisitedinthecity.*在who或which引导的特殊疑问句中，限制性定语从句必须用that引导。thateg.Whoisthemanisstandingoverthere.that*先行词在从句中作表语时,限制性定语从句通常用that引导。(常可省略)eg.Sheisnolongerthegirlthatshewasbeforeshewenttothecountry.*whose指人或物，在从句中作定语。Thegirlgotfirst.Her
6、fatherhadgivenusareport.Thegirlwhosefatherhadgivenusareportgotfirst.eg.That’sthemanwhosehousewasburneddown.Thatisthenewmachine.Thepartsofitaretoosmalltosee.That’sthemachinewhosepartsaretoosmalltosee.1.Thisisall____Iknowaboutthematter.A.thatB.whatC.whoD.whether2.Isthereanythingelse_____youwant?A
7、.whichB.thatC.whoD.what3.Thelastplace_____wevisitedwastheGreatWall.A.whichB.thatC.whereD.itChoosethebestanswers:4.Pleasetakethesecondchair_______isoverthere.A.whereB.whichC.whoD.that5.Isoxygentheonlygas__helpsfireburn?A.thatB./C.w
