Unit4NaturalDisastersDiscoveringUsefulStructures課件高中英語人教版

必修1U41.關系代詞引導的定語從句基本用法(which/that/who/whom/whose/as)+主謂一致）2.關系代詞引導的定語從句特殊用法（用as的情況/只能用Which/只能用that/只能用who)必修1U51.關系副詞引導的定語從句基本用法（區(qū)分關系副詞和代詞）(where/when/why)2.特殊用法（抽象名詞與where;介詞+關系代詞和關系副詞之間的轉換）必修2U11.非限制性定語從句的用法（特別是as的用法）Unit4NaturalDisastersDiscoveringUsefulStructuresILearningObjectivesInthisclass,youwilllearn1)theconception,function,structureandbasicusageoftherestrictiveclauseledbyrelativepronoun.2)howtodescribethethingshappeninginyourdailylifewithrestricitiveclauses.EarthquakeItisacommondisaster.FloodItisacommondisasterwiththecrashofdifferentlandmasses(板塊).Itisacommondisasterwhichcausesthecrackofthegroundandthecollapseofthebuildings.Itisausualdisaster.Itisausualdisasteroccuringduringheavyrainseason.Itisausualdisasterwhichsweepsawaythehouses,roads,bridgesandsoon.Guessinggame!撞擊，沖撞倒塌出現，發(fā)生消滅，徹底消除Itisacommondisasterwiththecrashofdifferentlandmasses(板塊).Itisacommondisasterwhichcausesthecrackofthegroundandthecollapseofthebuildings.Itisausualdisasteroccuringduringheavyrainseason.Itisausualdisasterwhichsweepsawaythehouses,roads,bridgesandsoon.1.形容詞做定語修飾disaster2.介詞短語做后置定語修飾disaster4.定語從句修飾disaster3.現在分詞做后置定語修飾disaster4.定語從句修飾disaster定語EarthquakeFlood用來修飾、限定、說明名詞或代詞的品質與特征的成分叫做定語。定語從句的定義及構成在復合句中，作定語修飾名詞或者代詞的從句，叫做定語從句1.

Theearthquakeisacommon

disaster

whichcausesthecrackofthegroundandthecollapseofthebuildings.先行詞所修飾的名詞或者代詞定語從句連接先行詞與從句的詞先行詞

關系詞

定語從句

1.連接主句和從句2.指代先行詞3.在從句中充當句子成分關系代詞：主語、賓語、表語、定語關系副詞：狀語關系詞which/that/who/whom/whose/asFindoutandunderline

therestrictiveclauses,antecedents先行詞、relativepronoun關系代詞

inthesentencesbelow.p52task1TheTangshanearthquakewasaterribleexperiencethatmygreat-grandmacannotforget.Thecouplewholivenexttousvolunteeredtohelpafterthevolcanoerupted.Thesupplieswhichwereprovidedtothedisasterareawerecollectedfromaroundthecountry.MrLiisanarchitectwhosedesignsforthenewtownhavewonpraise.AdoctorwithwhomJamesusedtoworkdiedinthe2016earthquakeinEcuador.Pleasepayattentiontotherelationsbetweenantecedentsandrelativepronoun.LOOKatthepicturesNearly80,000peoplewholivedintheWenchuanweredeadinthatearthquakein2008.關系代詞who：修飾先行詞people(人)，在從句中充當主語。Therescueworkers

(who/whom)peopleshowedtheirgratitudeto

camefromthewholecountry.關系代詞who/whom：修飾先行詞workers(人)，在從句中充當賓語時可省略。但將介詞提前時只可以用whom,且不可省略。Therescueworkers

towhompeopleshowedtheirgratitudecamefromthewholecountry.LOOKatthepicturesTheearthquake

whose

magnitudewas8.0causedalotofdamagetopeople.關系代詞whose：修飾先行詞earthquake(事、物)，在從句中充當定語,表所屬關系“...的”Yetinthisdisaster,wehavealsoseensomethingmoving.Anofficer

whose

nameisLiZhenbowithfourteenbravesoldiersjumpedfrom5000metersintheairtosavethetrappedpeople.關系代詞whose：修飾先行詞officer(人)，在從句中充當定語，表所屬關系:“...的”關系代詞修飾的先行詞在從句中的成分who人主語、賓語whom人賓語whose人、物-所屬關系定語“...的”LOOKatthepicturesWeallwereimpressedbythisearthquakewhichhasbeenthemostdestructiveearthquakesincethefoundingofthePeople'sRepublicofChina.Inotherwords,itisareallyhorribleexperience(which)peoplecannotforget.關系代詞which：1.修飾先行詞earthquake(事、物)，在從句中充當主語,指代thisearthquake2.修飾先行詞experience(事、物)，充當賓語LOOKatthepicturesAndwewillalwaysremembertherescueworkersthat/wholentahandregardlessofthedanger.關系代詞that：修飾先行詞workers(人)，在從句中充當主語Wewillalwaysrememberthesorrowandpain(that/which)thedisasterbroughtforus.關系代詞that：修飾先行詞sorrowandpain(物)，在從句中充當賓語（可省略）LOOKatthepicturesNowadays,Wenchuanisnolongertheone(that)itusedtobein2008.Itcamebacktolife.關系代詞that：修飾先行詞theone代詞(物)，在從句中充當表語(可省略)Tips:在當指人或物的關系代詞在定語從句中做表語時，關系代詞只能用that。關系代詞修飾的先行詞在從句中的成分which物主語、賓語、表語、定語(介詞+which)that人、物主語、賓語、表語Attention:定語從句中的謂語選擇：主謂一致1.關系代詞在從句中作主語時，定語從句謂語動詞的形式根據_________的形式確定.Theoldtownhasnarrowstreetsandsmallhouses

that______builtclosetoeachother.舊城區(qū)的街道狹窄，房子小，彼此挨得很近I'mfondofthatpieceofmusicwhich_______popularwiththeteenage.我喜歡在青少年中流行的那支曲子。先行詞areisAttention:定語從句中的謂語選擇：主謂一致

oneof+復數名詞+定語從句(復數謂語)

theonlyoneof+復數名詞+定語從句(單數謂語)2Heisoneofthestudents

who________agoodcommandofFrench.他是精通法語的學生之ー。(thestudents為先行詞)Heistheonlyoneofthestudentswho___________agoodcommandofFrench.他是學生中唯一精通法語的。(theonlyone為先行詞)havehasSuchaterribleearthquakeas

havecausedagreatdealofdamageshouldbeawarning.關系代詞as：修飾先行詞earthquake(物)，在從句中充當主語Weshouldlearnasmanysurvivalskillsas

wecantoprotectourselves.關系代詞as：修飾先行詞skills(物)，在從句中充當canlearn的賓語Weshouldreducethesamemistakeaswemadebefore.關系代詞as：修飾先行詞mistakes(物)，在從句中充當made的賓語However,therearesomanypeopleaswedidnotexpectstillnottakingdisastersseriously.然而，還有那么多我們沒有預料到的人仍然沒有認真對待災難。關系代詞as：修飾先行詞people(人)，在從句中充當expect的賓語tips:當先行詞前有such/so/as/thesame,

關系代詞常用asTranslatethesentencesandfindoutthedifferences！ThisisthesamephonethatIbrokelastweek.ThisisthesamephoneasIbrokelastweek.這就是上個星期我摔壞的一部手機。（這部=上個星期摔壞的那部）當先行詞被thesame修飾時，可以用that引導表示同一物。這部手機和上個星期我摔壞的那部手機是一樣的，是同一類。當先行詞被thesame修飾時，用as引導表示同一類型，但不是同一個。PairworkAttention:as引導非限制性定語從句，代替整個主句的內容。從句可放在主句前、主句后或主句中間(背誦)asweallknow,asiswellknown眾所周知的是asyousee如你所見asweexpect,aswasexpected正如預料的那樣asoftenhappens經常發(fā)生的是asIcanremember正如我所記得的ashasbeensaidbefore如前所述

ashasbeensaidabove如上所述ascanbeseen

看得出來asisoftenthecase像常規(guī)那樣aseverybodycando像人人都能做到的那樣Describethepictureswith