Unit5 Using Language Attributive clauses (2)-高中英语外研版必修第一册

U5UsingLanguageAttributiveclauses(2)Lookatthesentencesfromthereadingpassageandanswerthequestion.a.Eventually,itmanagestoreachtheplaceswhereitwillspendthewinter.b.Thesolution…comesatatimewhenitisinserioustrouble.c.Sadly,humanactivityisthemainreasonwhy

thenumberofmonarchbutterfliesisfalling.Whatdo“where”,“when”.“why”refertoineachsentences?What'sthedifferencebetweenthetwogroupsofsentences?aEventually,itmanagestoreachtheplaceswhereitwillspendthewinter.dEventually,itmanagestoreachthoseplaces.Itwillspendthewinterthere.bThesolution…comesatatimewhenitisinserious

trouble.eItisinserioustrouble.Tesatthistime.cSadly,humanactivityisthemainreasonwhythe

numberofmonarchbutterfliesisfalling.fSadly,humanactivityisthemainreason.

Forthisreason,thenumberofmonarchbutterfliesis

falling.Whydoestheauthorchoosetousesentence(a),(b)and(c)inthereadingpassage?

Becausethereisacloserlinkandconnectionbetweentheitemandtheclausedefiningitinsentences(a),(b)and(c).Itwillalsomakethepassageclearer,andcreateanemphaticeffectonthelocation,timeandreasonbeingdefined.1.Lookformoresentenceswithattributiveclausesinthereadingpassage.1)Thesetwopiecesofinformation–thetimeofdayandthepointwherethesunisinthesky…先行词where在从句中作地点状语4)Ifthisworks,theremaycomeatimewhenthenumberofmonarchbutterfliesmayincreasesonceagain.2)Inmanyoftheplaceswherethebutterflycanbefound,peoplearedestroying…3)Theycutdowntreesandusechemicals

thatkilltheplantsthatmonarchcaterpillarseat.2.Readthepassageandunderlinethewordsthatwhere,when,andwhyreferto.where在定语从句中用作地点状语，其先行词须是表示______的名词。Thisistheschool.Istudiedafewyearsagointheschool.ThisistheschoolwhereIstudiedafewyearsago.关系副词在定语从句中的用法地点when在定语从句中用作时间状语，其先行词须是表______的名词。Januaryiscomingsoon.WecangohomeforarestinJanuary.January,when

wecangohomeforarest,iscomingsoon.时间why在定语从句中用作原因状语，其先行词一般是________。Thisisthereason.Hecriedforthisreason.Thisisthereasonwhyhecried.reason(s)分析与比较（先行词，充当语法成分，关系词）1.…thepointwherethesunisinthesky…2.theplaceswhereitwillspendthewinter.3.…atimewhenitisinserioustrouble.4.…reasonwhythenumberofmonarchbutterfliesis

falling.5.…theplaceswherethebutterflycanbefound…6.…atimewhenthenumberofmonarchbutterflies

increasesonceagain…1.…peoplethatwewanttoremainfriendswith.2.…otherswhoalsoenjoydoingthem.3.…chemicalsthatkilltheplants.4.Thenextwalkwhichisopentonewmember…5.Theboywhosefatherisascientistis…关系代词先行词充当语法成分是否可省略thatwhichwhowhomwhose关系副词先行词充当语法成分是否可省略whenwherewhy人、物主、宾宾语可省物主、宾宾语可省人主、宾宾语可省人宾不可省略(人、物)的定不可省略时间名词时间状语不可省略地点名词地点状语不可省略reason(s)原因状语不可省略From:DavidWatersTo:KaySilvermanSubject:BacktonatureHiKay,We’rehavinganamazingtimehereinSouthAfrica.Ouraccommodationisperfect.Itisinalocation_______wecanwatchanimalswanderingpastontheirwaytothewaterhole.whereCompletetheemailwithwhere,whenorwhy.Sunsetisthetimeofday_______wesitonthebalconyandcounthowmanygiraffesorantelopeswecansee.Iguessthisisthereason_______thisplaceissopopular.Nextweek,wearegoingtoflyuptoZambia.That’soneofthecountries_______youcanvisitthefamousVictoriaFalls.Seeyousoon.Davidwhenwhywhere【拓展】1)当situation,case,point,stage,condition等充当先行词，且在定语从句中作抽象地点状语时，定语从句引导词用where；Wegotintoasituationwherewehadtosolvetheproblemonourown..=Wehadtosolvetheproblemonourowninthis

situation.2)当occasion在定语从句中作时间状语时，定语从句引导词用whenOccasion

whenIcanspenttimewithmykidsisveryrare.=Icanspenttimewithmykidsonthisoccasion.注意：Youcouldgetintoasituation_______youcan`tchange.=Youcan`tchangethesituation.whichThisistheplacewhereheworks.Thisistheplacewhich/thatwevisitedlastyear.Thatwasthetimewhenhearrived.Doyoustillrememberthetimethat/whichwespenttogether?Thisisthereasonwhyhewent.Thereasonthat/whichhegaveuswasquitereasonable.辨析when,where,why与that,which总结：指时间，地点或原因的先行词在定语从句中作_______时用when，where或why；而作_____或______时，要用which或that。状语主语宾语即时演练1.Icanneverforgettheday_______Ifirstsawyou.2.Hecameatthetime______weneededhimmost.3.Therewasatime_______themanlostheart.4.AfterlivinginParisforfiftyyearshereturnedto

thesmalltown________hegrewupasachild.5.Theaccidenthasreachedtothepoint________

boththeirparentsaretobecalledin.6.Youwouldgetintoasituation________youhave

todecideimmediately.whenwhenwhenwherewherewhere7.Unsuccessfulpeoplecanalwaysfindreasons

________they'renotdoingwell.8.Thisisthereason________Ididn'tcomehere.9.Thereason______hedidn'tcomewasthathe

wasill.10.I'llneverforgetthedays________wespent

together.11.Idon'tbelievethereason___________hegave

meforhisbeinglate.12.Thatwasthereason________hewaslatefor

themeeting.whywhywhy(that/which)(that/which)why1.asbusyasa(n)_______2.killtwo_______withonestone3.Whenthecat’saway,the_______willplay.beebirdsmiceLookatthepicturesandcompletetheidiomswithanimalnames.4.holdyour_______5.It’sraining_______and________.horsescatsdogsEnglishidiomsareawayofaddingcolourtothelanguage.Forexample,insteadofsaying“It’srainingheavily”,youcouldsay“_______________________”.Anotherreasontouseidiomsisthattheyareconcise.Forexample,todescribesomeonewhoisalwaysworkingorbusydoingsomething,wecansaytheyare__________________.It’srainingcatsanddogsasbusyasabeeCompletetheparagraphwiththeanimalidiomsabove.Ifthey’rerushingintosomethingandshouldwaitandbepatient,youcouldsay“_________________”.Learningidiomscanbefun,especiallywhenwecomparethemtoChineseequivalents.Take,forexample,“__________________________________”(peopledowhattheywantandhavefunwhensomeoneinauthorityisabsent)and“_________________________”(solvetwoproblemswithoneaction)–aretherec