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…先行詞where在從句中作地點(diǎn)狀語(yǔ)4)Ifthisworks,theremaycomeatimewhenthenumberofmonarchbutterfliesmayincreasesonceagain.2)Inmanyoftheplaceswherethebutterflycanbefound,peoplearedestroying…3)Theycutdowntreesandusechemicals

thatkilltheplantsthatmonarchcaterpillarseat.2.Readthepassageandunderlinethewordsthatwhere,when,andwhyreferto.where在定語(yǔ)從句中用作地點(diǎn)狀語(yǔ)，其先行詞須是表示______的名詞。Thisistheschool.Istudiedafewyearsagointheschool.ThisistheschoolwhereIstudiedafewyearsago.關(guān)系副詞在定語(yǔ)從句中的用法地點(diǎn)when在定語(yǔ)從句中用作時(shí)間狀語(yǔ)，其先行詞須是表______的名詞。Januaryiscomingsoon.WecangohomeforarestinJanuary.January,when

wecangohomeforarest,iscomingsoon.時(shí)間why在定語(yǔ)從句中用作原因狀語(yǔ)，其先行詞一般是________。Thisisthereason.Hecriedforthisreason.Thisisthereasonwhyhecried.reason(s)分析與比較（先行詞，充當(dāng)語(yǔ)法成分，關(guān)系詞）1.…thepointwherethesunisinthesky…2.theplaceswhereitwillspendthewinter.3.…atimewhenitisinserioustrouble.4.…reasonwhythenumberofmonarchbutterfliesis

falling.5.…theplaceswherethebutterflycanbefound…6.…atimewhenthenumberofmonarchbutterflies

increasesonceagain…1.…peoplethatwewanttoremainfriendswith.2.…otherswhoalsoenjoydoingthem.3.…chemicalsthatkilltheplants.4.Thenextwalkwhichisopentonewmember…5.Theboywhosefatherisascientistis…關(guān)系代詞先行詞充當(dāng)語(yǔ)法成分是否可省略thatwhichwhowhomwhose關(guān)系副詞先行詞充當(dāng)語(yǔ)法成分是否可省略whenwherewhy人、物主、賓賓語(yǔ)可省物主、賓賓語(yǔ)可省人主、賓賓語(yǔ)可省人賓不可省略(人、物)的定不可省略時(shí)間名詞時(shí)間狀語(yǔ)不可省略地點(diǎn)名詞地點(diǎn)狀語(yǔ)不可省略reason(s)原因狀語(yǔ)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)當(dāng)situation,case,point,stage,condition等充當(dāng)先行詞，且在定語(yǔ)從句中作抽象地點(diǎn)狀語(yǔ)時(shí)，定語(yǔ)從句引導(dǎo)詞用where；Wegotintoasituationwherewehadtosolvetheproblemonourown..=Wehadtosolvetheproblemonourowninthis

situation.2)當(dāng)occasion在定語(yǔ)從句中作時(shí)間狀語(yǔ)時(shí)，定語(yǔ)從句引導(dǎo)詞用whenOccasion

whenIcanspenttimewithmykidsisveryrare.=Icanspenttimewithmykidsonthisoccasion.注意：Youcouldgetintoasituation_______youcan`tchange.=Youcan`tchangethesituation.whichThisistheplacewhereheworks.Thisistheplacewhich/thatwevisitedlastyear.Thatwasthetimewhenhearrived.Doyoustillrememberthetimethat/whichwespenttogether?Thisisthereasonwhyhewent.Thereasonthat/whichhegaveuswasquitereasonable.辨析when,where,why與that,which總結(jié)：指時(shí)間，地點(diǎn)或原因的先行詞在定語(yǔ)從句中作_______時(shí)用when，where或why；而作_____或______時(shí)，要用which或that。狀語(yǔ)主語(yǔ)賓語(yǔ)即時(shí)演練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