Unit+5+Languages+Around+the+World+Discovering+Useful+Structures+课件 【知识精讲精研】高一英语人教版（2019）必修第一册

DescribeyourfavouritethingsUnit05新人教必修一LanguagesAroundtheWorld

复习定语从句中关系代词的选择学习定语从句中的关系副词关系副词=介词+关系代词在主从复合句中，对某一名词或代词起修饰作用的从句叫定语从句。被修饰的名词或代词叫先行词，引导定语从句的连接词叫关系词。定语从句一般位于先行词后1.引导定语从句2.代替先行词3.在从句中担当一个成分Thestudentswhoarehavingclassarefromclass49.定语从句的关系词分为两种：关系代词：that，which，who，whom，whose关系副词：when,where,why关系代词that引导的定语从句1.Theytalkedoftheperson(that)theymetbefore.2.Theboyboughtabicyclethatwasnewlyrepaired.关系代词that既可以指人也可以指____，在定语从句中_______或________,做______时可省略。物宾语宾语主语关系代词which引导的定语从句1.Romeisacitywhichattractslotsoftourists.2.Thisisthebook(which)youwanted.关系代词which指____，在定语从句中作_______或________,做______时可省略。物宾语宾语主语关系代词who,whom引导的定语从句1.SheisastudentwhocomesfromCanada.2.Theman(who/whom)youmetjustnowismyfather.关系代词who,whom指____，who在定语从句中做_______或_______，whom做________,做______时可省略。人宾语宾语主语宾语关系代词whose引导的定语从句Thegirlwhoseworkgottheprizeisthe

youngestinherclass.2.It’sthehousewhose

doorispaintedred.关系代词whose既可以指____也可以指物，在定语从句中做_______。人定语①当先行词为all,everything,anything,nothing,much,little，none等不定代词．只用关系代词that的情况②先行词既有人又有物时。Theytalkedofthingsandpersons

thattheyrememberedintheschool.

③先行词被theonly,thevery,thelast,all,any,every,each,few,little,no,some等修饰时

④先行词被序数词或形容词最高级所修饰时*关系代词在定语从句中做宾语可以省略Theearthquake____________shookthecityin1906wasthebiggestinAmericanhistory.2.Wedon’tknowthenumberofpeople_________losttheirhomesinthe1906earthquake.3.Thehouse______________theybuiltin1987isstillverynew.4.Theboy___________fatherisateacherisveryclever.5.Luckilynoneofthepeople_______________Iknowwerekilled.which/thatwho/thatwhich/that/省略whosewho/whom/省略关系副词用法whenwherewhy指时间，在定语从句中充当时间状语指地点，在定语从句中作地点状语指原因，在定语从句中作原因状语Lookatthesesentencesandunderlinetherestrictiveattributiveclauses.Itwasatimewhenpeopleweredividedgeographically.2.EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountrywheretheChinesewritingsystembegantodevelopinonedirection.3.Therearemanyreasonswhypeoplelearnaforeignlanguage.表示时间、地点及原因的名词作先行词时，先行词在定语从句中作状语时，应用关系副词；若先行词在定语从句中作主语或宾语时，则应用关系代词。当先行词为表示

的名词(如：day,time,week,month,year等)，且关系词在从句中作

，定语从句用when引导。1.Istillrememberthetime

whenIwasincollege.2.Wewillneverforgettheday

whenweflewatanaltitudeof6000metersinthesky.一.when引导的定语从句时间时间状语Howtochooserelativeadverbs当先行词为表示具体

的名词(如：place,house,airport等)或抽象地点的名词(如：point,case,situation,stage,position,condition等)，且关系词在从句中作

，定语从句用where引导。1.Thisisthehotel

wheretheystayed.2.Wehavereachedapoint

whereachangeisneeded.3.Hegetsintoasituation

whereitishardtodecidewhatisrightorwrong.地点地点状语Howtochooserelativeadverbs

先行词是position,situation,point,case,condition等时在定语从句中作状语用关系副词where连接.Theyareinsuchasituation

whereeverythingisindisorder.Thepolicearelookingintothecase

wheretwoVIPswerekilled.Canyoumakeasentence

wherethisverbcanbeused?Theywereatthepoint

where/atwhichtheyhadtodecidewhattodenext.当先行词为表示

的名词reason，且关系词在从句中作

，

定语从句用why引导。1.Thisisthereason

whyheleftinahurry.2.Idon’tknowthereason

why

hedidn’tturntohisfriendsforhelpyesterday.原因原因状语Howtochooserelativeadverbs先行词是表示原因的名词，即reason，在定语从句中充当原因状语，用why，这时一般可以用for＋which来代替:Idon’tknow

thereason

why/forwhich

hedidit.Thereason

why/forwhichhewasfiredwasnotclear.

试比较：Thereason____________heexplainedtotheteacherisnottrue.Thereason___________wasexplainedtotheteacherisnottrue.(which/that)（作宾语）which/that（作主语）关系副词whyCompletethepassagewiththecorrectrelativeadverbsorpronouns.Addaprepositionwherenecessary.1.Thedaysaregone_______physicalstrengthwasallyouneededtomakealiving.2.TheUSAisacountry______manydifferentdialectsarespoken.3.Thereason_________heexplainedatthemeetingsoundsreasonable.4.It’shelpfultoputchildreninasituation_____theycanseethemselvesdifferently.5.Isawahouse,thewindowsof______werebroken.whenwherethat/whichwherewhichPractice关系副词=介词+关系代词（which/whom)

when,where,whywhen指时间，在从句中作时间状语。when=during/on/in/...which(介词同先行词搭配)(2)where指地点，在从句中作地点状语。

where=in/at/on/...which(介词同先行词搭配)(3)why的先行词只有reason，why在从句中作原因状语。

why=forwhich(4)先行词指物时，whose=the+n.ofwhich介词的选用三个原则:

“一先,二动,三意义”根据定语从句中先行词的搭配习惯确定IneverforgetthedaysduringwhichIstudiedhard.IneverforgetthedayonwhichIwenttocollege.IneverforgettheyearinwhichIwenttocollege.daysdayyear介词的选用2.根据定语从句中谓语动词的搭配习惯确定HaveyoufoundthebookforwhichIpaid$10?HaveyoufoundthebookonwhichIspent$10?Haveyoufoundthebookaboutwhichsheoftentalks?paidspenttalks介词的选用3.根据定语从句所表达的意义来确定Air,________whichmancan’tlive,isreallyimportant.Thefilm____________Ifellasleepwasveryboring.Thepen_____whichheiswritingnowwasboughtyesterday.duringwhichwithoutwith1.They’llneverforgetJuly1_____HongKongreturnedtoitsmotherland.2.Thedays______weusedforeignoilaregoneforever.when=onwhichwhen=duringwhichThisisthefactory.Iworkedinthefactorytenyearsago.Userelativeadverbstoconnectthetwosentencestobeacompletesentence.Thisisthefactory

where

Iworkedtenyearsago.Thisisthefactory

inwhichIworkedtenyearsagoPracticeThedaysaregoneforever.Welivedtogetherhappilyduringthosedays.Thedays

when

welivedtogetherhappilyaregoneforever.Thedays

duringwhichwelivedtogetherhappilyaregoneforever.PracticeTherearemanyreasons.Peopleliketravelingformanyreasons.Therearemanyreasons

why

peopleliketraveling.Therearemanyreasons

forwhichpeopleliketraveling.Practice