介词+关系词引导的定语从句1）某些在从句中充当时间，地点等状语的"介词+关系词"结构可以同关系副词when和where,why互换。例如：Thisisthehouse_____Ilivedtwoyearsago.Doyouremembertheday______youjoinedourclub?IsthisthereasonIsthisthereason____________herefusedouroffer?herefusedouroffer?2）介词后面的关系词不能省略。3）先行词是物，关系词用which,先行词是人,则关系词用whom．4)表所属关系时用ofwhich/whomTheboywhose/ofwhomtheparentsarebothdoctorswonthefirstplaceintheexam.介词＋关系词介词＋关系词结构中介词的确定１．来源于构成完整时间、地点状语所需补出的介词．Thisisthemountainvillage____Istayedlastyear.I'llneverforgetthedays____Iworkedtogetherwithyou.２．来源于动词短语．Heisreallytheperson__whomwehavealottolearn.Thegirl__whomyouaretalkingisworkingforaninternationalorganization.Herbag,in________sheputallhermoney,hasbeenstolen.Thisistheringon________shespent1000dollars.XiaoWang,with________Iwenttotheconcert,enjoyitverymuch.whichwhichwhom在介词后面，指事物用which，指人用whom。注意：如何判断介词Thegirl_____whomhehadfoughtallhislifenolongerseemedimportanttohim.Heistheman_____whomIthinkyoucandepend.1、看定语从句中动词与介词的搭配foron2、看定语从句中形容词与介词的搭配Hereferredmetosomereferencebooks______whichIamnotveryfamiliar.Dolphinsmightbetrainedtocooperatewithfishermenandhelpthembyfindingorevencatchingfish,______allofwhichactivitiesdolphinsareexpert.within3、根据先行次判断，所用的介词与先行词搭配Therate______whichwildanimalsarebeingdestroyedhasincreased.Thisisourclassroom,_______________whichthereisateacher’sdesk.atinthefrontofFillintheblankswithproperprepositions1.Thesungivesusheatandlight,________whichwecan’tlive.2.Thestudent__________whomweweretalkingjustnowisthebeststudentinourclass.3.I’llneverforgettheday_____whichshesaidgood-byetome.4.Isthatthenewspaper_____whichyouoftenwritearticles?5.1949wastheyear____whichtheP.R.C.wasfounded.withoutabout/tooninin6.Therecorder,_______Ipaid200dollars,provestobeveryhelpful.7.Isthisthehouse________therestandsatalltree.8.Theknife_______weusedtocutthebreadisverysharp.9.Thisisthedictionary______Ispenttwentyyuan..10.Thisisthedictionary______thereisavocabularyof26150.11.Thenewdictionary,_______manystudentspaynoattention,isveryuseful..12.Thepeople_______Iworkareallveryfriendly.13.Theriver_______anewbridgeisbeingbuiltisfivemetersdeep.14.Theboy_______IborrowedthebikeliveswiththeBrowns.15.Atlasttheyfoundtheoldman________theyhadbeensearchingyears.16.Water,________wecan’tlive,isveryimportant17.Thewoman________mybrotherspokejustnowismyteacher.18.HaveyoubeentoHangzhou,________theWestLakeisthemostbeautifulinourcountry.19.Thescientist_________wetalkingisaphysicist.20.Thereare50studentsinourclass,_________areboys.Iwillneverforgettheday________IsawPrimezhou.Someonehastakenmyglasses,_________Ican’tseeanything.Thisisthetalltree________IreadEnglisheverymorning.Chinahasmanyislands________Taiwanisthelargest.
