英语公开课优质课件推选——高中英语定语从句.ppt
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1、WelcomeToOurClass,TheAttributiveclause,Grammar,TeachingAims,LearnthebasicconceptsaboutattributiveClause2.Learnhowtochoosethecorrectrelativepronounsandproverbs,Underlinetheattributiveclauses:,Dontforgetthethingsthatonceyouowned.Treasurethethingsthatyoucantget.Dontgiveupthethingsthatbelongtoyouandkeep
2、thoselostthingsinmemory.,曾经拥有的,不要忘记。不能得到的,更要珍惜。属于自己的,不要放弃。已经失去的,留作回忆。,在复合句中,修饰前面某一名词或代词的从句叫定语从句,充当_使用。,形容词,Dontgiveupthethingsthatbelongtoyou,先行词,关系代词,定语从句,Hospitalisaplacewhereadoctorworks.,先行词,关系副词,定语从句,被定语从句限定的词是_,引导定语从句的词叫做_或_。,“先行词”,“关系代词”,“关系副词”,关系词的作用,关系代词和关系副词有三大作用:_(连接定语从句和主句)2._(替代前面的先行词)3
3、._(在定语从句中要充当一定的句子成分)。,连接,替代,做成分,relativepronoun,who,whom,which,that,as,whose,定语从句三步法:1.找出先行词2.看先行词在定语从句中的语法功能(作什么成分?主语、宾语、定语或状语)3.选择合适的关系词,考点一:that和which,以下情况,引导词用that,不用which。1.先行词为不定代词some(something,somebody,someone),any(anything,anybody,anyone),no(nothing,nobody,noone),every(everything,everybody,
4、everyone时,3.先行词前有形容词最高级、序数词修饰时,先行词被all,little,few,none,much,no,theonly,thevery,thelast修饰时,,2.先行词同时指人和指物时,,4.在以which/who为疑问词的特殊疑问句中,1.Hetalkedhappilyaboutthemenandbooks_interestedhimgreatlyintheschool.A.whichB.thatC.itD.whom2.Thereisnodictionary_youcanfind.A.thatB.whichC.whereD.inthat,3.Isoxygentheon
5、lygas_helpsfireburn?A.itB./C.whichD.that,4.Whichwasthehotel_wasrecommendedtoyou?A.whereB.whichC.thatD.it,先行词为人和物的组合,先行词被all,little,much,every,no,等修饰时,先行词被序数词或最高级修饰,先行词前有序数词(thefirst),形容词最高级(thebest),thelast,thevery,theonly等时。,若主句中有疑问代词who或者which,为了避免重复,关系代词不要再用who,which,而用that。,考点二:以下情况只能用which引导定语从
6、句。,1.引导非限制性定语从句时,其先行词可是一个词,也可是整个主句或主句的某一部分。,3.句子中同时有两个定语从句,其中一个已经用了that引导时,2.先行词是物,紧接在介词后面时(介词+关系代词+定语从句),非限制性定语从句非限制性定语从句起补充说明作用,缺少也不会影响全句的理解。在非限制性定语从句的前面往往有逗号隔开。Thehouse,whichIboughtlastyear,hasalovelygarden.HeseemsnottohavegraspedwhatImeant,whichgreatlyupsetsme.,注意:整个主句作为先行词,谓语动词用第三人称单数,Theschool
7、_heoncestudiedisveryfamous.,介词+关系代词引导的定语从句:,注意:1.含有介词的动词短语一般不拆开使用,如:lookfor,lookafter,takecareof等Thisisthewatch(which/that)Iamlookingfor.,2.若介词放在关系代词前,关系代词指物时只能用which;指人时只能用whomThemanwithwhomyoutalkedismyfriend.,Theschool_heoncestudiedinisveryfamous.,Theman(whom)youtalkedwithismyfriend.,(that/which)
8、,inwhich/where,考点三:关系代词as的用法,一、as引导限制性定语从句主句中thesame,as,such,so修饰先行词,as做关系代词在定语从句中做主语或宾语。有“如,似,正像”的含义主要结构有:thesameas;asas;suchas;soas,Donttrustsuchmenaspraiseyoutoyourface.(指人,作主语)Wehavearrivedatthesameconclusionastheyhave.(指物,作宾语),Thisisthesamepen_Ilostyesterday.A.asB.thatC.theoneD.A&B,D,比较:.thesam
9、epenasIlost.thesamepenthatIlost.,很像,不一定就是,就是我不见的那支笔,thesameas表示同一类人或物;thesamethat指同一个人或物,二、引导非限制性定语从句as引导非限制性定语从句,指代整个主句内容,从句可置于句首,句中或句尾Aseveryoneknows,Chinaisabeautifulcountrywithalonghistory.Theearth,asweknow,movesroundthesun.Tomworkshardandiswillingtohelpothers,asweallknow.,非限制性定语从句中的谓语为被动式时,常用as
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