必修1U41.關(guān)系代詞引導(dǎo)的定語(yǔ)從句基本用法(which/that/who/whom/whose/as)+主謂一致）2.關(guān)系代詞引導(dǎo)的定語(yǔ)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(guān)系副詞引導(dǎo)的定語(yǔ)從句基本用法（區(qū)分關(guān)系副詞和代詞）(where/when/why)2.特殊用法（抽象名詞與where;介詞+關(guān)系代詞和關(guān)系副詞之間的轉(zhuǎn)換）必修2U11.非限制性定語(yǔ)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(xiàn)，發(fā)生消滅，徹底消除Itisacommondisasterwiththecrashofdifferentlandmasses(板塊).Itisacommondisasterwhichcausesthecrackofthegroundandthecollapseofthebuildings.Itisausualdisasteroccuringduringheavyrainseason.Itisausualdisasterwhichsweepsawaythehouses,roads,bridgesandsoon.1.形容詞做定語(yǔ)修飾disaster2.介詞短語(yǔ)做后置定語(yǔ)修飾disaster4.定語(yǔ)從句修飾disaster3.現(xiàn)在分詞做后置定語(yǔ)修飾disaster4.定語(yǔ)從句修飾disaster定語(yǔ)EarthquakeFlood用來修飾、限定、說明名詞或代詞的品質(zhì)與特征的成分叫做定語(yǔ)。定語(yǔ)從句的定義及構(gòu)成在復(fù)合句中，作定語(yǔ)修飾名詞或者代詞的從句，叫做定語(yǔ)從句1.

Theearthquakeisacommon

disaster

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

關(guān)系詞

定語(yǔ)從句

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

therestrictiveclauses,antecedents先行詞、relativepronoun關(guān)系代詞

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

(who/whom)peopleshowedtheirgratitudeto

camefromthewholecountry.關(guān)系代詞who/whom：修飾先行詞workers(人)，在從句中充當(dāng)賓語(yǔ)時(shí)可省略。但將介詞提前時(shí)只可以用whom,且不可省略。Therescueworkers

towhompeopleshowedtheirgratitudecamefromthewholecountry.LOOKatthepicturesTheearthquake

whose

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

whose

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

oneof+復(fù)數(shù)名詞+定語(yǔ)從句(復(fù)數(shù)謂語(yǔ))

theonlyoneof+復(fù)數(shù)名詞+定語(yǔ)從句(單數(shù)謂語(yǔ))2Heisoneofthestudents

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

havecausedagreatdealofdamageshouldbeawarning.關(guān)系代詞as：修飾先行詞earthquake(物)，在從句中充當(dāng)主語(yǔ)Weshouldlearnasmanysurvivalskillsas

wecantoprotectourselves.關(guān)系代詞as：修飾先行詞skills(物)，在從句中充當(dāng)canlearn的賓語(yǔ)Weshouldreducethesamemistakeaswemadebefore.關(guān)系代詞as：修飾先行詞mistakes(物)，在從句中充當(dāng)made的賓語(yǔ)However,therearesomanypeopleaswedidnotexpectstillnottakingdisastersseriously.然而，還有那么多我們沒有預(yù)料到的人仍然沒有認(rèn)真對(duì)待災(zāi)難。關(guān)系代詞as：修飾先行詞people(人)，在從句中充當(dāng)expect的賓語(yǔ)tips:當(dāng)先行詞前有such/so/as/thesame,

關(guān)系代詞常用asTranslatethesentencesandfindoutthedifferences！ThisisthesamephonethatIbrokelastweek.ThisisthesamephoneasIbrokelastweek.這就是上個(gè)星期我摔壞的一部手機(jī)。（這部=上個(gè)星期摔壞的那部）當(dāng)先行詞被thesame修飾時(shí)，可以用that引導(dǎo)表示同一物。這部手機(jī)和上個(gè)星期我摔壞的那部手機(jī)是一樣的，是同一類。當(dāng)先行詞被thesame修飾時(shí)，用as引導(dǎo)表示同一類型，但不是同一個(gè)。PairworkAttention:as引導(dǎo)非限制性定語(yǔ)從句，代替整個(gè)主句的內(nèi)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(yù)料的那樣asoftenhappens經(jīng)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