【公开课课件】Unit 5 Discovering useful structures语法定语从句之关系副词 -高一英语同步精品课件（人教版2019必修第一册）

Unit5LanguagesaroundtheWorldPeriod3Discoveringusefulstructures1.ToknowtheusageofRestrictiveattributiveclauses2.TowritewithRestrictiveattributiveclausesNote1:定语从句：当我们把一个句子用来做________去修饰一个_____________时，这个句子就称为定语从句。Note2:被定语从句限定的词叫做_________,引导定语从句的词叫做___________，分别是_______________和___________;其中________________________________为关系代词。定语名词或者代词先行词引导词关系代词关系副词which,that,who,whom,whose,asReview定语从句：在复合句中修饰名词或代词，在句子中起定语作用的从句。Bobbyisaboywhoisveryfat..先行词关系词定语从句先行词:被修饰的名词或代词关系词：1.连接从句；2.替代先行词；当关系代词可指代从句中的成分whowhomwhichthatwhose人主语、宾语人宾语物主语、宾语人、物主语、宾语人、物定语Exercises1.Thereweredeepcracks______________appearedinthewellwalls.2.Aquake__________causeddamagewasmorethan150kilometresawayinBeijing.3.Twothirdsofthepeople________livedthereweredeadorinjured.4.Thenumberofpeople_________werekilledorbadlyinjuredinthequakewasmorethan400,000.which/thatwhich/thatwho/thatwho/thatWarmingup定语从句之关系副词关系副词先行词功能when表示时间的名词时间状语where表示地点的名词地点状语whyreason原因状语关系副词的用法1.ThisisthehousewhereIlived20yearsago.2.Istillremembertheday

whenIfirstmethim.3.Canyoutellmethereason

whyyouliedtome?观察先行词有什么特点？从句中缺少什么成分？when的用法①When引导定语从句时，先行词为表示时间的名词，关系词在从句中作时间状语，可用“介词+which”来替换。I’llneverforgetthedayonwhich

(when)Ijoinedtheteam.I’llneverforgettheday.Ijoinedtheteamonthatday.分解when作时间状语★不能看到时间就用when看从句缺什么成分I’llneverforgettheday______Ilivedinthemountains.I’llneverforgettheday_______________Ispentinthemountains.whenthat/which/省略when引导的定语从句修饰表示时间的名词time,hour,day,year,moment,occasion时刻，age年代，period阶段,stage时期，interval间隙等词

并在定语从句中作时间状语，相当于介词（in/on/during)+whichI’llneverforgetthemomentinwhich(when)Istudiedintheclassroom.where的用法②

Where引导定语从句时，先行词为表示地点的名词，关系词在从句中作地点状语，可用“介词+which”来替换。Theschoolwhere(inwhich)mystudiesisnearapark.Theschoolisnearapark.Mysonstudiesinthisschool.

分解where作地点状语★不能看到地点就用where,看从句缺什么成分Thisisthehouse_______hewasborn.Thisisthehouse_____________wassetupbyhisparents.wherethat/whichwhere还可用在表示抽象意义的地点名词后，如situation,stage,point,case,position,condition,activity,scene,occasion等,意思是“到了某种地步，在某种境况中”。Theaccidenthasreachedtothepointwhereboththeirparentsaretobecalledin.why的用法③Why引导定语从句时，先行词通常为reason，关系词在从句中作原因状语，可用“for+which”来替换。Doyouknowthereason(forwhich)whyheissoupset?Doyouknowthereason.Heissoupset.

分解why作原因状语★不能看到reason,就用why.看从句缺什么成分Thisisthereason

_____hewaslate.Thisisthereason____________hetoldusforhisbeinglate.

whythat/which关系副词相当于被代替的先行词在从句中作成分wherewhenwhyin,at等介词+which表示地点的名词at,in,on,during等介词+which地点状语表示时间的名词时间状语for+whichreason原因状语如何选择关系代词VS关系副词?①从句缺少主、宾、定关系代词关系副词②从句缺状语Exercises1.Doyoustillrememberthefirstday______youwenttohighschool?2.IpaidavisittoFudanUniversity_______myfatherstudiedthirtyyearsago.3.Doyouknowtherealreason______Annedidn'tgototheget-together?4.TomorrowIwillbringherethemagazinefor_______

youasked.whenwherewhywhich5.Peterputhimselfinasituation_______hehadtoleavethecompany.6.Therewasatime______mydaughterwascrazyaboutpopmusic.7.Therestaurant_______Ihaveeatenawonderfulmealisgoingtoclosedown.8.Therearetwomainreasons______thissituationhasbeenallowedtocontinue.wherewhenwherewhy“介词＋关系代词”引导的定语从句当关系代词在定语从句中作介词的宾语时，我们通常用“介词＋关系代词”引导定语从句。如果指“人”，用“介词＋whom”；如果指“物”，用“介词＋which”；关系代词有时也用whose(作定语)。如果指“人”，用“介词＋whom”Thepenismissingnow.Iwrotewith

thepen.ThepenwhichIwrotewithismissingnow.ThepenwithwhichIwroteismissingnow.如果指“物”，用“介词＋which”XiaoLiismygoodfriend.Iwrotealetterto

him.XiaoLiismygoodfriendwhomIwrotealetterto.XiaoLiismygoodfriend

to

whomIwrotealetter.Heisthemaninwhomyoucanbelieve.1.看定语从句中动词或形容词与介词的搭配。Hegavemesomebookswith

whichIamnotveryfamiliar.2.看介词与先行词搭配。Thisisourclassroominwhichthereisateacher’sdesk.The

farmonwhichmyfatherworksisfarfromthetown.3.根据句意而定。Thesoldier,withoutwhomIwouldn'thavesuvivedtheearthquake,retiredlastweek.如何判断介词介词+关系代词引导定语从句时,如先行词是物,关系代词只能为which.介词+关系代词引导定语从句时,如先行词是人,关系代词只能为whom.1.Thatistheplace_____________

theymetforthefirsttime.那就是他们第一次见面的地方。2.Chinaistheonlycountry______________________

______________________中国是唯一一个发现野生大熊猫的国家。where/inwhichwhere/fromwhichwildpandascanbefound.Exercises3.I'llneverforgettheday______________Ifirstwenttoschool.when/onwhich4.I'vealwayslongedforthedays______________________________________.

when/inwhichIshouldbeabletobeindependent1.Thisistherock____________theboyfelldownintothesea.2.Thefilmstar____________wetalkedalotyesterdaywillgiveusaspeechtomorrow.3.TheWestLake__________Hangzhouisfamousintheworldwillbemorebeautiful.4.Thesubject__________X