Unit 5 Into the wild Grammar 课件 高一英语外研版（2019）必修第一册

Attributiveclauses(2)Unit5IntothewildGrammarToreadthepassageandunderstandtheattributiveclausesledbywhere,

when

and

why;Tolearnwhatwhere,when

and

why

refertointhesentence;Toknowthedifferencesbetween

which/that

and

where,when,why;Todescribeanimalsbyusingattributiveclausesledby

where,when

and

why;LearningobjectivesLookatthesentencesfromthereadingpassageandanswerthequestion.a.Eventually,itmanagestoreachtheplaceswhere

itwillspendthewinter.b.Thesolution…comesatatimewhen

itisinserioustrouble.c.Sadly,humanactivityisthemainreasonwhythenumberofmonarchbutterfliesisfalling.1.Whatdo“where”,“when”and“why”refertoineachsentences?“Where”refersto“theplaces”insentence(a),“when”refersto“atime”insentence(b)and“why”refersto“themainreason”insentence(c).onesentenced.Eventually,itmanagestoreachthoseplaces.Itwillspendthewinterthere.a.Eventually,itmanagestoreachtheplaceswhereitwillspendthewinter.twosentencesdefiningthenoun“places”useanadverbComparesentencesa,b,cwithd,e,fandanswerthequestions.b.Thesolution…comesatatimewhenitisinserioustrouble.e.It’sinserioustrouble.Thesolution…comesatthistime.onesentencetwosentencesdefiningthenoun“time”useaphrasetoshowthetimec.Sadly,humanactivityisthemainreasonwhythenumberofmonarchbutterfliesisfalling.f.Sadly,humanactivityisthemainreason.Forthisreason,thenumberofmonarchbutterfliesisfalling.onesentencetwosentencesuseaphrasedefiningthenoun“reason”2.What’sthedifferencebetweenthetwogroupsofsentences?Sentences(a),(b)and(c)containaclausedefininganounorpronouninthesentence.Sentences(d),(e)and(f)areconstructedwithapairofsimplesentences,withonedefininganounorpronounintheothersentenceineachpair.Whydoestheauthorchoosetousesentences(a),(b),and(c)inthereadingpassage?thinkingBecausethereisacloserlinkandconnectionbetweentheitemandtheclausedefiningitinthesentences(a),(b)and(c).Itwillalsomakethepassageclearer,andcreateanemphaticeffectonthelocation,timeandreasonbeingdefined.2)Inmanyoftheplaceswherethebutterflycanbefound,peoplearedestroyingthenaturalenvironment.Lookformoresentenceswithattributiveclausesinthereadingpassage.1)Thesetwopiecesofinformation–thetimeofdayandthepointwherethesunisinthesky—allowthebutterflytodeterminethewaytogo.先行词Where在从句中作地点状语3)Theycutdowntreesandusechemicalsthatkilltheplantsthatmonarchcaterpillarseat.4)Ifthisworks,theremaycomeatimewhenthenumberofmonarchbutterfliesmayincreasesonceagain.在TheMonarch’sJourney一文中，还有一个是由关系代词引导的定语从句：Theycutdowntreesandusechemicalsthatkilltheplantsthatmonarchcaterpillarseat.From:DavidWatersTo:KaySilvermanSubject:BacktonatureHiKay,We’rehavinganamazingtimehereinSouthAfrica.Ouraccommodationisperfect.Itisinalocation_______wecanwatchanimalswanderingpastontheirwaytothewaterhole.whereCompletetheemailwithwhere,whenorwhy.Sunsetisthetimeofday_______wesitonthebalconyandcounthowmanygiraffesorantelopeswecansee.Iguessthisisthereason_______thisplaceissopopular.Nextweek,wearegoingtoflyuptoZambia.That’soneofthecountries_______youcanvisitthefamousVictoriaFalls.Seeyousoon.Davidwhenwhywherewhen1.Istillrememberthedaywhen

IfirstcametoYuci.2.You’veenteredintoanage

whenknowledgemakesyourich.当先行词是表示____的名词(如

time,day,year,month,week等),且从句成分完整时，定语从句用when引导.

关系副词的选择时间1.Istillrememberthetime______wefirstmeteachother.2.Istillremeberthetime__________wespenttogether.whenwhich/that1.Canyoutellmetheofficewhereheworks?2.Peoplearemoreconcernedabouttheenvironmentwheretheylive.当先行词是表示_____的名词(如place,room,airport等)，且从句成分完整时，定语从句用where引导.where地点1.Thisistheplace___________wevisitedlasttime.2.Thisistheplace_________heusedtowork.which/thatwhere

关系副词的选择1.Theyhavereachedthepoint______theyhavetobreakupwitheachother.2.It’shelpfultoputchildreninasituation________theycanseethemsevesdifferently.除地点名词后，where还可用于case,condition,example,situation,stage,point,system,atmosphere,position等表示抽象地点的名词前。wherewherewhere

关系副词的选择1.Doyouknowthereasonwhyhewaslateyesterday?2.Thisisthereasonwhyhegaveuptryingintheend.当先行词是表示原因的名词_______，且从句成分完整时，定语从句用why引导，且只能引导限定性定语从句。whyreason1.Iwon’tbelievethereason___________youhavegivenme.2.Thisisthereason_______shecied.that/whichwhy

关系副词的选择1.Doyouknowtheteenager________youaretalkingabout?2.Thisisthehouse_________Ilivedinforthreeyears.2.介词+关系代词who/thatwhich/that1.Doyouknowtheteenagerabout______youaretalking?2.Thisisthehousein_______Ilivedforthreeyears.whomwhich思考：在表示时间、地点和原因状语时，“介词+关系代词”是否可以替换为关系副词“when,where,why”?思考：介词是否可以提前至关系词之前？1.Istillremembertheday__________Ilostmymoney.2.Wevisitedtheyard__________afamouspoetoncelived.3.Patienceisakindofquality,____________youcan’tworkwell.代入法：1.确定先行词及从句；2.从句

？

先行词

（搭配问题）Ilostmymoney______theday根据先行词的搭配“介词+关系代词”中介词的确定ononwhichAfamouspoetoncelived___theyard根据从句中动词的搭配ininwhichYoucan’tworkwell_______patience.根据意义确定介词withoutwithoutwhich2.介词+关系代词定语从句之关系副词when,where,whyThisistheplace_____________wevisitedlasttime.Thisistheplace_____________wevisitedtheequipment设备lasttime.Istillrememberthetime__________wespendtogether.Istillrememberthetime__________wefirstmeteachother.Thisisthereason__________shegaveme.Thisisthereason__________shecried.()定语从句不完整，先行词在定语从句中做宾语，指物that/which()定语从句完整，也不缺定语，缺状语，指地点where()定语从句不完整，先行词在定语从句中做宾语，指物that/which()定语从句完整，也不缺定语，缺状语，指时间when(()定语从句不完整，先行词在定语从句中做宾语，指物that/which)定语从句完整，也不缺定语，缺状语，指原因why先行词关系副词表时间的名词when表地点/抽象地点的名词where表原因的名词(reasons)why做题方法——如何选择关系词：1.定位先行词及紧随其后的定从；2.判断定从是否缺成分缺成分—关系代词

（先行词：人/物？）不缺成分—关系副词

（先行词：时间/地点/原因?）Summary做题步骤画出定语从句，看定语从句缺不缺主/宾/表缺关系代词that/which/who/whom/as不缺whose关系副词when,where,why缺定语缺状语1.Hegavemeareason

wasreasonable.2.Doyouknowthereason

heisabsent?3.Thereareseveralreasons

schooluniformsareagoodidea.4.Pisaisacity

hasaleaningtower.5.NewYork,

Ivisitedlastyear,isaniceoldcity.6.Theschool

wevisitedyesterdayisnewlybuilt.7.Isthereashopnearhere

Icanbuysomeflowers.8.Idon’tknowthereason

sheissocrazyaboutLuHan.that/whichwhywhythat/whichwhichthat/whichwherewhyPractice用适当的关系词填空9.ShewillflytoWashington

shecanenjoyherself.10.AprilFool’sDayisaday

peopleplayjokesonfriends.11.Thisisthehouse

wasbuiltbymygrandfatherfortyyearsago.12.Wedon’tknowthereason

hewasabsentfromthemeeting.wherewhen

that/whichwhy13.Wewillputoffthepicnicintheparkuntilnextweek,

theweathermaybebetter.14.It’shelpfultoputchildreninasituation

theycanseethemselvesdifferently.