Unit1PeopleofAchievementLearningAboutLanguage定语从句课件-高中英语人教版选择性

Discoverusefulstructures定语从句Todistinguishnon-restrictiverelativeclausesfromrestrictiverelativeclauses.Tomakesentencesusingnon-restrictiverelativeclauses.Readthefollowingsentencesandunderlinetherelativeclauses.Thennamethetwotypesofclausesandstatetheirfunctions.1.TheytestedhundredsofChinesemedicaltreatmentsthatshowedpromiseinthefightagainstthedisease.restrictiverelativeclausefunction:modifythekindofmedicaltreatmentstheytested.2.TuYouyouwasawardedtheNobelPrize,whichisconsideredoneofthehighestinternationalhonorsapersoncanreceive.non-restrictiverelativeclause

3.TuYouyouwenttoHainan,wheremalariawasmorecommon,tostudymalariapatients.non-restrictiverelativeclause4.Later,themedicinewastestedonmalariapatients,mostofwhomrecovered.non-restrictiverelativeclause

function:giveextrainformationaboutNobelPrizefunction:giveextrainformationaboutHainanfunction:giveextrainformationaboutpatients先行词：被修饰的名词或代词关系词：引导定语从句的词（关系代词和关系副词）

1.定语从句的结构：先行词+关系词+从句从句Abook

that/whichIread.先行词关系代词成分(关系词在定语从句中充当的成分)人who主语，宾语whom宾语人或物that主语，宾语whose定语物which主语，宾语复习：限制性定语从句中关系代词的基本用法指代整个主句先行词关系副词成分(关系词在定语从句中充当的成分)表示时间的具体名词和抽象名词when时间状语：在...时间表示具体地点的名词或抽象地点的名词where地点状语：在...地点表示原因的名词reasonwhy原因状语：因为.......复习：限制性定语从句中关系副词的基本用法forwhich

一、定义定语从句可以分为限制性定语从句和非限制性定语从句。结构限从：先行词+引导词（关系代词、关系副词）…非限：先行词，引导词（不用that和why）…意义限从：对先行词起限定作用，从句与先行词关系密切（不可省略）非限：对先行词起拓展资料说明作用，从句与先行词关系不密切（可省略）修饰先行词或整个句子。定语从句就其与先行词的关系可分为限制性定语从句和非限制性定语从句。non-restrictiverelativeclauses一、形式不同限制性定语从句与其先行词关系密切，其间通常不用逗号隔开，非限制性定语从句与其先行词关系不密切，常用逗号隔开。如：Thenumberofpeoplewho/thatowncarsisincreasing.IspoketoDr.Smithjustnow,whoisalwaysreadytohelpothers.二、作用不同限制性定语从句对先行词进行修饰和限制，如果去掉会造成句意的不完整；非限制性定语从句对先行词是修饰，拓展资料解释说明或对主句进行评述，去掉不影响。如：Franklinwasthefirstmanwhodiscoveredthenatureofelectricity.Franklin,whowasveryyoung,discoveredthenatureofelectricity.先行词往往是抽象，不够具体的先行词：具体，从句旨在拓展资料说明评述先行词或主句三、先行词不同限制性定语从句的先行词一般是名词或代词，非限制性定语从句的先行词既可以是名词或代词,也可以是主句的一部分或整个主句。如：Thingsthenimproved,whichsurprisedme.（先行词为整个主句）

一、定义定语从句可以分为限制性定语从句和非限制性定语从句。结构限从：先行词+引导词（关系代词、关系副词）…非限：先行词，引导词（不用that和why）…意义限从：对先行词起限定作用，从句与先行词关系密切（不可省略）非限：对先行词起拓展资料说明作用，从句与先行词关系不密切（可省略）修饰先行词或整个句子。Hehastwosonswhoworkinthesamecompany.Hehastwosons,whoworkinthesamecompany.限制性定语从句非限制性定语从句1.Isawtheguywhodeliversmymailintownyesterday.2.I'llalwaysremembertheriverwherewelearnedtoswim.3.Doyouknowthereasonwhytheskyisblue4.She'sthepersonwhosedaughtergoestoHarvard.whichguywhichriverthereasonforwhatwhichperson无逗号与主句隔开若去掉，句子含义不明确1.Paris,

whereIspentsixmonthsstudying,isthemostbeautifulcityintheworld.2.Thewomandownthestreet,whosechildrenarethesameageasyours,invitedusoverfordinnernextweek.3.Themovie,whichismyfavoritecomedyofalltime,isbeingshownonTVtomorrownight.有逗号与主句隔开若去掉，不影响句子含义04介词+关系代词引导的定语从句关系代词指人，作介词的直接宾语时用whom,（不可用who/that）；关系代词指物，作介词的直接宾语时用which,（不能用that）.一、介词+关系代词引导的语从句关系代词的选择P18whosewhich/thatwhichwho/thatwhereP19whichaswhenwherewhichSummary限制性定语从句非限制性定语从句provideexplanationorcommentsgiveextrainformationtoanoun,awholesentence,orapartofasentencerestrictanoun/pronounoptionalandremovableessentialformeaningprovidekey,identifyinginformationSummary小结限制性定语从句非限制性定语从句意义上从句与主句关系紧凑，从句对先行词起修饰限定作用，缺少从句会影响句意的完整。功能上结构上从句与主句的关系相对松散，从句用于拓展资料主句的内容和信息，去掉从句不影响句意的完整。修饰先行词或整个句子1.主句，从句之间多用逗号隔开2.关系词很少可以省略3.不能用that,why引导修饰先行词1.没有停顿，主句与从句之间不用逗号2.关系词若作从句的宾语,可省略.3.可用that,why引导1.Wewereveryimpressedbytheoldman.Hewasnotwillingtoacknowledgedefeat.2.Afterwards,EinsteinhadtofleeGermany.Hitlerwasinpowerthere.Wewereveryimpressedbytheoldman,whowasnotwillingtoacknowledgedefeat.Afterwards,EinsteinhadtofleeGermany,where(=inwhich)Hitlerwasinpower.theoldmanHe=我们对那个老人印象非常深刻，他不愿意承认失败。Germanythere=后来，爱因斯坦不得不逃离德国，在那里希特勒掌权。Practice3.ThereisnothingwecandotohelpLinda.Hercircumstancesarebeyondourcontrol.4.Theteacheraskedustolistentoaspeechbyhisfavoritenovelist,J.K.Rowling.Itinspiredusalot.ThereisnothingwecandotohelpLinda,whosecircumstancesarebeyondourcontrol.Theteacheraskedustolistentoaspeechbyhisfavoritenovelist,J.K.Rowling,whichinspiredusalot.她的_______我们帮不了Linda，她的境况超出了我们的控制。=______老师要求我们听他最喜爱的小说家J.K.罗琳的演讲，这个（演讲）让我们非常鼓舞。5.ThebuildingunderconstructionwasdesignedbyI.M.Pei--afamousChinese-Americanarchitect.HewasborninGuangzhou,China.6.Iwasaskedtoexplaintheprojectwiththehelpofaflowchart.Itwasabigchallengeforme.ThebuildingunderconstructionwasdesignedbyI.M.Pei--afamousChinese-