高中英语定语从句课件

一.定语从句的基本定义放在名词或代词后面，由关系代词或关系副词引导的修饰该名词或代词的从句叫定语从句。被修饰的词叫先行词。一.定语从句的基本定义二.定语从句的分类限制性定语从句（无逗号）且从句去掉影响句子完整性和非限制性定语从句有（逗号），表解释，说明，去掉不影响句子的完整性Eg:TheboywhoisreadingisTom.先行词关系代词Hospitalisaplacewhereadoctorworks.先行词关系副词二.关系词的分类1.关系代词2.关系副词关系代词在定语从句中作主语、宾语、表语和定语，常用的关系代词有：that,which,who,whom,whose关系副词在定语从句中作状语，常用的关系副词有：when,where,why二.关系词的分类三.关系代词的基本用法和注意点1.关系代词的基本用法三.1.关系代词的基本用法关系代词指代的先行词充当从句的成分who人主语、宾语whom人宾语which物主语、宾语that人或物主语、宾语、表语whose人或物定语五.关系副词when,where和why的用法五.关系副词的基本用法关系副词指代的先行词充当从句的成分when表时间的名词/名词词组时间状语where表地点的名词/名词词组地点状语why表原因的名词原因状语四.关系代词和关系副词选择的关键：判断先行词在从中所作的成分：1.当先行词在从句中作主语：人：who/that物：which/that2.当先行词在从句中作宾语：人：who/whom/that/x物：which/that/x3.当先行词在从句中作定语：人/物：n1whosen2人：=then2ofwhom/ofwhomthen2物：=then2ofwhich/ofwhichthen2(1)whose引导的定语从句注意点①whose引导定语从句，其后应紧跟名词，构成名词短语。②whose与它所修饰的名词一起可以作介词的宾语。如：Thebossinwhosedepartmentheworkedhadheardthenews.他工作所在部门的老板已经听说了这个消息。(3)whose引导的定语从句注意点④whose的先行词指物时，可用ofwhich代替，但语序不同，即whose+名词=the+名词+ofwhich，或=ofwhich+the+名词。如：Thenovelwhosetitle(=thetitleofwhich或ofwhichthetitle)isRedandBlackisveryinteresting.③whose引导的定语从句，其先行词既可以指人也可以指物。⑤whose的先行词指人时，可用ofwhom代替，但语序不同，即whose+名词=the+名词+ofwhom，或=ofwhom+the+名词。如：Theboywhosemother(=themotherofwhom或ofwhomthemother)isadoctorismyfriend.Thescientistwhowemetyesterdayisveryfamouswhomintheworld.thatØ(2)Thedressisnew.Sheiswearingit.Thedresswhichsheiswearingisnew.thatØ(1)Thescientistisveryfamousintheworld.Wemetheryesterday.巩固练习：1.用定语从句合并句子巩固练习1：用定语从句合并句子(3)Heisthekindperson.Ihaveeverworkedwithhim.(4)Thisisthebestfilm.Ihaveeverseenthisfilm.HeisthekindpersonwhoIhaveeverworkedwith.whomthatØThisisthebestfilmthatIhaveeverseen.Ø1.Thegirl__________isstandingnexttoourteacherisherdaughter.2.Thegirl_________________ourteacheristalkingwithisafamoussinger.3.Thegirl________motherisateachercanspeakEnglishverywell.4.Ican’tfindthebook____________isborrowedfromthelibrary.5.Ican’tfindthebook________________youlenttome.who/that(who/whom/that)whosewhich/that(that/which)巩固练习：2.用适当的关系词填空巩固练习2：用适当的关系词填空关系代词和关系副词选择的关键：判断先行词在从中所作的成分：六.当先行词在从句中作状语：时间：when=介词+which地点：where=介词+which原因：why=介词+whichwho,whom介词+which/whom引导的定语从句1.介词的选用原则：(1)根据定语从句谓语动词的习惯搭配来决定。ThisisthebookonwhichIspent8dollars.ThisisthebookforwhichIpaid8dollars.四.“介词+which/whom”引导的从句，1.介词选用原则(2)根据先行词的习惯搭配来决定。IrememberthedayonwhichIjoinedtheParty.IrememberthedaysduringwhichIlivedthere.巩固练习：用适当的关系词填空1)October1,1949wastheday______(________)Chinawasfounded.2)Beijingistheplace______(__________)Icame.3)Isthisthereason____(________)hedidn’twanttoseeme?whenonwhichwherefromwhichwhyforwhich巩固练习：用适当的关系词填空4)Isthistheroom______(________)wewerelivinglastwinter?5)Thedaysaregone_____(____________)weused“foreignoil”.6)Yesterday,wehadameeting______(________)wediscussedmanyproblems.whereinwhichwhenduringwhichatwhichwhere注意（1）.当介词放在关系代词前面时，关系代词只能用whom(指人)或which(指物)，且关系代词不能省略。Themanwithwhomyoutalkedjustnowismyneighbor.Ican’tfindthepenwithwhichIwaswriting.2.介词位于关系代词前，关系代词的使用2.当介词位于定语从句末尾时，可用which/that(指物),who/whom/that(指人)作从句中介词的宾语.而且作介词宾语的关系代词可以省略。(whom/who/that)(which/that)Dadisaperson________________Icaneasilytalkto.Isthistheplay___________youweretalkingaboutjustnow?3.介词位于句末，关系代词的使用3.在一些固定搭配的动词短语中，由于动词和介词不可分割，因此不能把介词置于关系代词之前。如：Thisisthewatch(that/which)Iamlookingfor.Thebabies(who/whom/that)thenurseislookingafterareveryhealthy.4.含介词的固定搭配动词短语的使用4.先行词是theway，意为“方式，方法”时，引导定语从句的关系词用that/inwhich或省略。Ididn'tliketheway_______________shetalkedtome.Theway_________________heteachesEnglishisinteresting.（that/inwhich）（that/inwhich）5.先行词为theway，关系词的使用5.关系副词的用法注意点(1)当先行词为time，表示“次数”时，应用关系词that或省略。如：Thisisthefirsttime(that)thepresidenthasvisitedthecountry.(2)当point,situation,case等词作先行词表示“情况，境地，场合”等意思时，其后常由where引导定语从句，where在句中作状语。如：Canyouthinkofasituationwherethisphrasecanbeused?4.关系副词的用法注意点(6)关系代词在从句中作主语时，从句的谓语动词的人称和数必须与先行词保持一致。如：Thosewhoareagainsttheplanputupyourhands.Tomisoneofthestudentswhowerepraisedbytheteacheryesterday.Tomistheonlyoneofthestudentswhowaspraisedbytheteacheryesterday.(4)从句中的谓语动词与先行词保持一致对比练习：用适当的关系词填空1.Theroom___________________heoncelivedisstillthere.Theroom___________________Ihavetocleaneverydaybelongstomymother.where/inwhich(that/which)对比练习：用适当的关系词填空2.Iwillneverforgettheday_______________Imetyou.Iwillneverforgettheday______________wespenttogether.when/onwhich(that/which)Thereason_____________Idon’tknowisknowntohim.(that/which)why/forwhich3.Thereason________________Idon’tknowthethingisthatIwasnotthereatthattime.七.关系代词的用法注意点(1)that和which都可以指物，但以下5种情况只能用that不能用which。①当先行词中有人又有物时。如：Doyouknowthethingsandpersonsthattheyaretalkingabout?2.关系代词用法注意点(1)只能用that不能用which的5种情况②当先行词为不定代词all,one,few,little,no,some,any,everything,something,nothing,nobody,none等时。如：ThisisallthatIwantfromtheschool.③当先行词被only,just,very,right,last等修饰时。如：ThisistheverybookthatIamlookingforthesedays.④当先行词被最高级修饰时。如：TheTVtoweristhehighestbuildingthathasbeenbuiltinthiscity.⑤当先行词被序数词修饰时。如：ThefirstlessonthatIlearnedwillneverbeforgotten.(2)that和who都可以指人，但下面两种情况，多用who。(2)用who不用that的情况①先行词为all,anyone,one,ones等时。如：Allwhoheardthenewswereexcited.②先行词为those,he和people时。如