Unit4 定语从句之关系代词 课件 人教版必修一

定语从句之关系代词学习目标CourseObjectives掌握定语从句关系代词的用法目录Catalog1.

who/whom/that用法及区别；2.

that/which用法以及区别；3.

whose的用法；4.

as引导定语从句；5.介词+关系代词的用法；

WarmingupWhichoneisSuDaqiang?WarmingupWhichoneisSuDaqiang?WarmingupTheman

whoisinthemiddleisSuDaqiang.先行词关系词Howdoyoulikethefilmwhich/thatwasshownlastSunday?HeworkedoutthemostdifficultproblemthatIhadeverseen.Childrenwhoarenotactiveorwhosedietishighinfatwillgainweightquickly.Hehasmovedintoahousewhosewindowlooksoutoverthesea.PART02内容讲解1Presentation

who,whom,that例如：

Ishethemanwho/thatwantstoseeyou?（who/that在从句中作?）

Heisthemanwhom/thatIsawyesterday.（whom/that在从句中作?）这些词代替的先行词是表示人的名词或代词，在从句中作主语或宾语。例如：I'vebecomegoodfriendswithseveralofthestudentsinmyschoolwhom/who/thatImetintheEnglishspeechcontestlastyear.Attention：who在从句中作主语或宾语，whom在从句中作宾语；两者在引导限制性定语从句时常可用that替换。作主语时，who/that不可省略；作宾语时，whom/who/that可以省略2which,that这些词所代替的先行词是表示事物的名词或代词，在从句中可作主语、宾语等。例如：Aprosperitywhich/thathadneverbeenseenbeforeappearsinthecountryside.（which/that在句中作?）Thepackage(which/that)youarecarryingisabouttocomeunwrapped.（which/that在句中作?）

Attention：1).关系代词只用that而不用which的情况。先行词为不定代词all，anything，something，everything，nothing，none，theone等或被不定代词修饰时。Irefusetoaccepttheblameforsomethingthatwassomeoneelse'sfault.先行词是形容词最高级或序数词，或先行词前有形容词最高级或序数词修饰时。ThefirstplacethattheyvisitedinGuilinwasElephantTrunkHill.Attention：先行词被theonly，thevery，thelast，thesame，any,every，each，few，little，no，some等修饰时。TheonlypartofthemealthatIreallylikedwasthedessert.先行词既有表示人又有表示物的名词时。Theywillneverforgetthethingsandpersonsthatthey‘veseenorheardofduringtheirlongjourney.Exercise1.Thelittleproblems_______wemeetinourdailylivesmaybeinspirationsforgreatinventions.Exercise1.Thelittleproblems_that_wemeetinourdailylivesmaybeinspirationsforgreatinventions.Attention：2)．关系词只用which而不用that的情况：引导非限制性定语从句时。(2015·福建卷)ChinaTodayattractsaworldwidereadership，whichshowsthatmoreandmorepeopleallovertheworldwanttolearnaboutChina.当从句中的介词提前，构成“介词＋关系代词”结构时。Weliveinanageinwhichmoreinformationisavailablewithgreatereasethaneverbefore.Exercise2.Itisatrulydelightfulplace，________looksthesameasitmusthavedone100yearsagowithitswindingstreetsandprettycottages.Exercise2.Itisatrulydelightfulplace，_which_looksthesameasitmusthavedone100yearsagowithitswindingstreetsandprettycottages.3whose代替的先行词是表示人或物的名词或代词，在定语从句中作定语。指物时，“whose＋名词”可用“限定词＋名词＋ofwhich”或“ofwhich＋限定词＋名词”来代替。例如：DoyouknowthegirlwhoseJapaneseisexcellent?Pleasepassmethebookwhosecoverisgreen.＝Pleasepassmethebookthecoverofwhichisgreen.Exercise3.In1963theUNsetuptheWorldFoodProgramme，oneof______purposesistorelieveworldwidestarvation.(2017·江苏，28)Exercise3.In1963theUNsetuptheWorldFoodProgramme，oneof_whose_purposesistorelieveworldwidestarvation.(2017·江苏，28)4

1）as引导限制性定语从句主句中出现thesame，as，such，so修饰先行词，需选择as作关系代词在定语从句中作主语或宾语，常见结构thesame...as...，such...as...，as/so...as...等。例如：It'sthesamepersonaswewantedtofindyesterday.SuchgirlsasheknowsaregoodatEnglish.Shewillmarryaswealthyamanasshecanfind.4

2）as引导非限制性定语从句常有＂正如……＂的意思，所引导的从句既可置于主句之前，也可置于主句之后。as多用于固定搭配中： asisknowntoall ashasbeensaidbefore asisoftenthecase asmaybeimagined ashasbeenpointedout asoftenhappens asismentioned

☞Asyouknow,Davidisaphotographer. =David,asyouknow,isaphotographer. =Davidisaphotographer,asyouknow.

4aswhich指代指代整个主句所表达的内容既可指代整个主句的内容，又可指代主句中的一部分位置as引导的非限制性定语从句可以放在主句之前、句中或主句之后which引导的非限制性定语从句只能放在主句之后意义常常有＂正如，正像，关于这一点＂的含义which引导的从句常常说明主句的情况，和主句往往有逻辑上的因果关系。which的意思相当于andthis

【易混辨析】as与which引导非限制性定语从句时的区别Exercise4.Thenumberofsmokers，______isreported，hasdroppedby17percentinjustoneyear.Exercise4.Thenumberofsmokers，_as_isreported，hasdroppedby17percentinjustoneyear.“介词＋关系代词”引导定语从句51）介词的宾语只能用which(指物)和whom(指人)，即：介词＋which/whom。不能用that和who。例如：Thisistheteacherfromwhomwe’velearnedalot.Greatchangeshavetakenplaceinthecityinwhichwelive.2）“名词/代词/数词等＋of＋which/whom”引导的定语从句。介词of表示整体和部分的关系Johninvitedabout40peopletohiswedding，mostofwhomarefamilymembers.(2013·重庆，24)3）介词＋which＋名词Hiswifegotseriouslyill，inwhichcasehehadtogiveupthechanceofgoingabroad.4）复合介词短语＋which”引导的定语从句。此结构常与先行词用逗号分开，且定语从句常用倒装语序。Theyarrivedatthehouse，infrontofwhichsatalittleboy.Exercise5.Windpowerisanancientsourceofenergy_____wemayreturninthenearfuture.A.onwhich B.bywhichC.towhich D.fromwhichExercise5.Windpowerisanancientsourceofenergy__C___wemayreturninthenearfuture.A.onwhich B.bywhichC.towhich D.fromwhichExercise6.Hewrotemanychildren’sbooks，nearlyhalfof________werepublishedinthe1990s.Exercise6.Hewrotemanychildren’sbooks，nearlyhalfof_which_werepublishedinthe1990s.关系词被修饰的先行词关系词在从句中充当的成分who指人的词主语、宾语whom指人的词宾语whose指人或物的词定语that指人或物的词主语、宾语、表语which指物的词或整个主句主语、宾语as指人或物的词或整个主句主语、宾语Exercise1.Likeanything,itispossibletohavetoomuchoffatandsalt，__________isnotgoodforthehealth.2.Sarah，__________hastakenpartinshowsalongwithtopmodels，wantstoprovethatshehasbrainsaswellasbeauty.3.Myeldestson，

__________worktakeshimallovertheworld,isinNewYorkatthemoment.Exercise1.Likeanything,itispossibletohavetoomuchoffatandsalt，__which__isnotgoodforthehealth.2.Sarah，__who__hastakenpartinshowsalongwithtopmodels，wantstoprovethatshehasbrainsaswellasbeauty.3.Myeldestson，__whose__worktakeshimallovertheworld,isinNewYorkatthemoment.Exercise1.Thelittleproblems__________wemeetinourdailylivesmaybeinspirationsforgreatinventions.2.In1963theUNsetuptheWorldFoodPrograme,oneof__________purposesistorelieveworldwidestarvation.Exercise1.Thelittleproblems_that/which/不填_wemeetinourdailylivesmaybeinspirationsforgreatinventions.2.In1963theUNsetuptheWorldFoodPrograme,oneof_whose__purposesistorelieveworldwidestarvation.Exercise3.WhenIwasinhighschoolourphysicsteachergaveusachallenge__________involvedmakingapaperairplaneofanyshape.Theonlyobjectivewastogetittoflyasfaraspossible.4.Charl