人教版英语选修七第五单元语法ppt课件

.,Unit5,.,Unit5,Travellingabroad,.,.,非限制性定语从句,Non-restrictiveAttributiveClause,LetsreviewRestrictiveAttributiveClause.(限制性定语从句),Finishthefollowingsentences.1.Hehastwosons_workinthesameplace.2.Hehastwosons,_workinthesameplace.,who,who,3.Theygaveuptheplan_theyworkedoutyesterday.4.Theygaveuptheplan,_wasaverygoodone.,that/which,which,1.限制性定语从句：从句与主句关系密切,去掉从句,主句意义不完整,甚至不合逻辑。e.g.Iwastheonlypersoninourofficewhowasinvited.(去掉定语从句,意思就不完整),限制性定语从句和非限制性定语从句,2.非限制性定语从句：从句对先行词关系不密切,去掉定语从句,意思仍然完整。形式上用逗号隔开,不能用that引导。e.g.Tomsfather,whoisoversixty,stillworksharddayandnight.(who引导非限制性定语从句,整个句子可分成两句来翻译),.,非限制性定语从句与限制性定语从句的区别,.,.,Lookatthefollowingexamplesandtellthedifferencesbetweenthesentences.,.,Example1,1.Hisfather,whoworksinBeijing,camebackyesterday.2.Shanghai,whichisinEastChina,isdevelopingquickly.,当先行词是地名、人名、世界上独一无二的事物或家庭唯一成员时，通常只用_修饰。,非限制性定语从句,.,Example2,1.Ihaveasisterwho/thatworksinahospital.我有一位在医院工作的姐姐。2.Ihaveasister,whoworksinahospital.我有一位姐姐，她在医院工作。,不止一位姐姐,只有一位姐姐,.,1.限制性定语从句与_关系密切,是先行词不可缺少的部分,如果去掉它,主句意思往往不明确。2.非限制性定语从句是对_的补充或说明,去掉它也不会影响主句的意思。,先行词,先行词,.,Example3,Thisisthehouse(which/that)weboughtlastmonth.这是我们上个月买的那幢房子。2.Thehouse,whichweboughtlastmonth,isverynice.这房子很漂亮,是我们上个月买的。,.,1.限制性定语从句可以由_、_来引导，关系代词作宾语时可以省略。2.非限制性定语从句既可修饰_,又可修饰_,不可用that引导且关系代词不可以省略。,关系代词,关系副词,先行词,整个主句,非限制性定语从句中,指物时,用which而不用that。Football,whichisaveryinterestinggame,isplayedallovertheworld.Allthebooksthere,whichhavebeautifulpicturesinthem,werewrittenbyhim.,注意：,1,指人时主格用who,宾格用whom,物主格用whose(也可指物)。MissHowe,whomyoumetinthelibrary,isournewteacher.TheArabs,whoarefamousfortheirhorsesandcamels,usetheseanimalsforworkandinsports.LiMing,whosemotherhasbeenillfortwodays,isabsentfromschooltoday.,2,关系副词when(指时间),where(指地点)也可以引导非限制性定语从句,注意关系副词why不能引导非限制性定语从句,应用forwhich引导。Helivesinthecity,wherethereisahightower.,3,.,ThePeoplesRepublicofChinawasfoundedin1949,whenhewasborn.Ihavetoldthemthereason,forwhichIdidntattendthemeeting.,介词加关系代词也可以引导非限定性定语从句。WuDong,withwhomIwenttoseethefilm,enjoyeditverymuch.Herbag,inwhichsheputallherbooks,hasnotbeenfound.ThestoryabouttheLongMarch,ofwhichthisisanexample,arewellwritten.,4,.,在非限制性定语从句中,关系代词有时代替修饰的不是前面的名词或代词,而是前面的整个一句话。e.g.Theoperationwasnotperformed,whichmaybethecauseofherdeath.手术没做,这可能是她死亡的原因。,5,关系代词as引导的非限制性定语从句的位置比较灵活,可置于主句前,也可置于主句后。常见结构有：asiswellknown,asweknow,aswecansee,asweexpect。e.g.AsIexpected,hedidntbelieveme.正如我所预料的,他不相信我。YesterdayMr.Greenquarreledwithhiswife,asseldomhappened.昨天格林先生同妻子吵架了,他们是很少吵架的。,6,.,考点一：关系代词/关系副词引导的非限制性定语从句【考例回顾】1.MarywasmuchkindertoJackthanshewastotheothers,_,ofcourse,madealltheothersupset.A.whoB.whichC.whatD.that,.,2.Theschoolshop,_customersaremainlystudents,isclosedfortheholidays.A.whichB.whoseC.whenD.where,.,3.Iwalkeduptothetopofthehillwithmyfriends,_weenjoyedasplendidviewofthelake.A.whichB.whereC.whoD.that,.,【点拨】1.答案为B。关系代词which引导非限制性定语从句，在此指代前面整个句子的内容。2.答案为B。customers与shop之间是所属关系，因此用whose。3.答案为B。关系副词where在非限制性定语从句中作地点状语。,.,考点二：“介词+关系代词”引导的非限制性定语从句【考例回顾】1.JuliewasgoodatGerman,FrenchandRussian,allof_shespokefluently.A.whoB.whomC.whichD.that,.,2.Sheshowedthevisitorsaroundthemuseum,theconstruction_hadtakenmorethanthreeyears.A.forwhichB.withwhichC.ofwhichD.towhich,.,【点拨】1.答案为C。“介词+关系代词”引导非限制性定语从句，which指代先行词German,FrenchandRussian。2.答案为C。theconstructionofwhich相当于theconstructionofthemuseum，表示“博物馆的建造”。,.,【考点解读】“介词+关系代词”在引导非限制性定语从句时,介词前常可加一些修饰成分,构成some/all/none/both/many/most/therest/thefirst/thenumberofwhich/whom结构。e.g.Themanagerinvitedalotofpeopletotheparty,mostofwhomwerehisclassmates.,.,考点三：as与which引导的非限制性定语从句的区别【考例回顾】1.TedcamefortheweekendwearingonlysomeshortsandaT-shirt,_isastupidthingtodoinsuchweather.A.thisB.thatC.whatD.which,.,2.TheBeatles,_manyofyouareoldenoughtoremember,camefromLiverpool.A.whatB.thatC.howD.as,.,【点拨】1.答案为D。which引导非限制性定语从句，指代前面整个句子的内容。2.答案为D。as引导非限制性定语从句，意为“正如你们许多年龄足够大的人记得的”。,.,1.Peterdancedandsangallevening.PeopleusedtothinkPeterwasquiet.Peter,whopeopleusedtothinkwasquiet,dancedandsangallevening.,Revisingusefulstructures,Jointhetwosentences.Youneedtoaddcommastomost.,.,2.Sharongavemeapictureformybirthday.Shehadpainteditespeciallyforme.Formybirthday,Sharongavemeapicture(which)shehadpaintedespeciallyforme.,.,3.Theoperationwasperformedinafamoushospital.Mygrandfathershearingimproved.,Theoperation,whichimprovedmygrandfathershearing,wasperformedinafamoushospital.,.,4.WhenIwentonatourroundChina,Isawmanyhistoricalsites.Itwasveryexciting.IsawmanyhistoricalsiteswhenIwentonatouraroundChina,whichwasveryexciting.,.,5.Thetwotrafficaccidentshappenedonthesamemorning.Thentherewasaheavyfog.Thetwotrafficaccidentshappenedonthesamemorning,whentherewasaheavyfog.,.,6.TangLingvolunteeredtohelpthewelfarehouse.Theresheteachesthehomelesschildren.TangLingvolunteeredtohelpthewelfarehouse,wheresheteachesthehomelesschildren.,.,7.AsfarasImconcerned,AnneshouldnotbegoingtoAmericanextyear.Herdaughterisinmyclass.AsfarasImconcerned,Anne,whosedaughterisinmyclass,shouldnotbegoingtoAmericanextyear.,.,8.Hewentonabustourwithagroupofpeople.Mostofthemhadnevertraveledbefore.Hewentonabustourwithagroupofpeople,mostofwhomhadnevertravelledbefore.,.,1.Thisisoneofthemostinterestingfilms_shownlastweek.Thisistheveryoneofthemostinterestingfilms_shownlastweek.A.whichwasB.thatwasC.whichwereD.thatwere,D,B,.,2.Hehastwosons,_arecollegestudents.Hehastwosons,and_arecollegestudents.A.bothofwhichB.bothofwhomC.bothofthemD.bothofit,B,C,.,3.Hestilllivesintheroom_windowfacestotheeast.Hestilllivesintheroom,thewindow_facestotheeast.Hestilllivesintheroom_isinthenorthofthecity.Hestilllivesintheroom_thereisabeautifultable.A.whichB.whoseC.whereD.ofwhich,B,C,A,D,.,4._weallknow,Chinaisrichinnaturalresources._iswell-knownthatChinaisrichinnaturalresources._