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1、定语从句【观察】观察下列句子中划线部分的用法，然后加以总结。1.Thethoughtofgoingbackhomewasallthatkepthimhappywhilehewasworkingabroad.2.Weheardclearlyeverywordthathesaid.3.WhenpeopletalkaboutAnhui,thefirstthatcomestomindistheHuangshanMountain.4.Thefirstthingthatshouldbedoneistogetthemoney.5.
2、ThisnovelisthesecondbestonethatIhaveeverread.6.ThisistheverydictionarythatIwanttofind.7.Alicedescribedinhercompositionsthepeopleandplacesthatimpressedhermost.8.Whichisthecarthatcausedtheaccident?9.Iwilltaketheyellowone,whichseemstobethebest.10.Theoldladyhastwod
3、aughters,whoworkinthesamehospital.11.AsIexplainedonthephone,yourrequestwillbeconsideredatthenextmeeting.【总结】1.在限制性定语从句中，当先行词指物时，关系词可用which或that，二者常可以互换；但在下列情况中，只能用that，不能用which。①当先行词是all,alot,(a)little,few,much,none,anything,something,everything,nothing等词时或先行词被
4、all,any,no,much,little,few,every等限定词所修饰时。如第1句和第2句。②当先行词是序数词或被序数词所修饰时。如第3句和第4句。③当先行词是形容词最高级或被形容词最高级所修饰时。如第5句。④当先行词被thevery,theonly,thenext,thelast等所修饰时。如第6句。⑤当先行词为指人和指物的两个并列名词词组时。如第7句。⑥当主句是以which,who开头的特殊疑问句时。如第8句。2.限制性定语从句对先行词起修饰限制作用，而非限制性定语从句是对先行词起补充说明作用。非限制性定
5、语从句中，先行词与定语从句往往用逗号隔开。非限制性定语从句不能用that引导。如第9句和第10句。3.as引导的非限制性定语从句既可放在主句前，也可放在主句后，有时还可插入主句中，而which引导的非限制性定语从句只能置于主句之后。【观察】观察下列句子中划线部分的用法，然后加以总结。1.Don’twakeanyonewhoissleeping.2.Menfallinlovewithwomen(whom/that)theyareafraidtolose.3.Thereoncelivedanoldqueenwhosehu
6、sbandhadbeendeadformanyyears,andshehadabeautifuldaughter.4.I’dlikearoomwhosewindowlooksoutoverthesea.5.Wewentthroughaperiodinwhichcommunicationswereverydifficultintheruralareas.6.ThefriendswithwhomIsatonthegraduationdayhavebeenmyfriendsforlife.7.Thisisacollegeo
7、fscienceandtechnology,thestudentsofwhicharetrainedtobeengineersandscientists.8.Thejourneyaroundtheworldtooktheoldsailorninemonths,ofwhichthesailingtimewas226days.9.Theforest,mostofwhichisinsideafamousbutterflyreserve,hasalsothrived.10.Thefactoryproduceshalfamil
8、lionpairsofshoeseveryyear,80%ofwhicharesoldabroad.【总结】1.关系代词who,whom和whose的用法①当先行词指人，在从句中作主语时，关系词用who，不可省略。如第1句。②当先行词指人，在定语从句中作宾语时，关系词用whom/that，可以省略。如第2句。③当先行词指人或物，在定语从句中作定
