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一张有用的地图____________________一个五岁的小男孩____________________一个发达国家____________________一个发展中国家____________________ausefulmapa5-year-oldboyadevelopedcountryadevelopingcountry第一个第ThefirstThePeople’sRepublicofChina,____________________________,isadevelopingcountry.whichliesintheeastofAsia①②①先行词：名词或代词②关系代词：who/whom/whose/that/which/as关系副词:when/where/why1.TheboyisTom.Theboyissmiling.TheboywhoissmilingisTom.(主语)2.Themaniskind.Everyonelikeshim.Theman(whom)everyonelikesiskind.(宾语)3.Mrs.Clarkisangrywiththegoat.Thegoatiseatingherflowers.---Mrs.Clarkisangrywiththegoatwhichiseatingherflowers.4.Doyoufindthepen?Iwrotewithitjustnow.---Doyoufindthepen(which)Iwrotewithjustnow?1.Iwillneverforgetthedays______wespenttogether.2.Iwillneverforgetthedays_______welivedinthecountrysidetogether.3.Thisisthehospital_______hebuiltlastyear.4.Thisisthehospital_______hewasborn.thatwhenthatwhere!关系代词和副词的选定取决于两个要素：1.先行词是人(who/whom/whose/that)还是物(that/which/whose)2.用还原法将先行词还原，看它在定语从句中充当主语/宾语/定语/状语，再来确定填哪个关系代词或关系副词1.Thegirl________isoverthereismyfriend.2.Thepen___________heboughtyesterdayisgood.3.Istillrememberthedays_____weusedforeignoil.4.Istillrememberthedays______________wespenttogether.5.Istillworkinthefactory____________youvisitedlastyear.6.Now,pleasedotheexercisesinthebook_______coverisred.7.Idon’tknowthereason________hedoesn’tlikeit8.Theplayground___________weoftendoexercisesiswettoday..who/thatwhich/that/xwhenwhich/that/xthat/which/xwhosewhywhere=onwhich内容精讲-----定语从句中介词提前现象如果关系代词作介词的宾语，我们可以把介词放在定语从句的后部，也可以放在定语从句的开头。把介词放在定语从句开头的这种现象叫作介词提前现象如：Theroom_____wearelivinginnowisonthethirdfloor.如：Theroomin_____wearelivingnowisonthethirdfloor.这一道题就有两种表达法：一种是介词未提前一种是介词提前如：Theroom___________wearelivinginnowisonthethirdfloor.如：Theroomin_______wearelivingnowisonthethirdfloor.(that/which)which介词提前时：代表人只能用whom，代表物只能用which。但：Themanfor_____________youarelookingisoverthere.who/that/whom/×再如：Theman_________________youarelookingforisoverthere.“介词+关系词”1.Theperson____________IspokejustnowisthemanagerthatItoldyouabout.2.Thetwothings_____________MarxwasnotsurewerethegrammarandsomeoftheidiomsofEnglish.3.Herbag,_____________sheputallherbooks,hasnotbeenfound.towhomaboutwhichinwhich4.Therewasn’tasinglepersoninthedarkstreet,___________shecouldturnforhelp.5.TheSecondWorldWar_________________millionsofpeoplewerekilledendedin1945.6.Myglasses,_______________Iwaslikeablindman,felltothegroundandbroke.7.Igavehimawarning,______________heturnedadeafear.towhomin/duringwhichwithoutwhichtowhich1.他是我们的老师，刚从美国回来。2.棕色门的房子是我的。3.这是我二十年前学习过的学校。4。昨天和你交谈的那个老人是我的爷爷。5。他们十分友好，邀请我参加他们的晚会。