講課用定語(yǔ)從句22.as引導(dǎo)的定從，可放在主句前，也可放在主句后。這樣的句子，往往有“正如……一樣”之意。Asiswellknown,theearthgoesaroundthesun.而which引導(dǎo)的定從只能放在主句后，且沒(méi)有“正如……一樣”之意。HehastoworkonSunday,whichhedoesn’tlike.

which與as引導(dǎo)的定從時(shí)的區(qū)別as多用于下列習(xí)慣用語(yǔ)中asanybodycansee正如人人都能看到的那樣asiswellknown=asisknowntoall眾所周知aswehadexpected正如我們所預(yù)料的那樣asoftenhappens

正如經(jīng)常發(fā)生的那樣ashasbeensaidbefore

如上所述asismentionedabove

正如上面提到的Theearthisround,____weallknow.___isknowntoall,theearthisround.___isknowntoallthattheearthisround.Beingavolunteerissuchaprivilege____weallwanttohave.Beingavolunteerissuchaprivilege____weallwanttohaveit.asAsIt鞏固練習(xí)六：在空白處填入正確的代詞asthat7.限制性定語(yǔ)從句與非限制性定語(yǔ)從句1.限制性定語(yǔ)從句對(duì)先行詞起限制、確定的作用，是先行詞不可缺少的定語(yǔ)，如果省去，主句的意思就會(huì)不完整，不明確或不合邏輯。這種定語(yǔ)從句和主句之間不能用逗號(hào)隔開(kāi)。ThisisthebestbookthatIhaveread.2.非限制性定語(yǔ)從句和先行詞關(guān)系松散，只是對(duì)先行詞作附加說(shuō)明，如果省去，主句的意思仍然完整或清楚。這種定語(yǔ)從句和主句之間須用逗號(hào)隔開(kāi)。如：Mywatch,whichisveryold,stoppedagain.非限制性定從的關(guān)系代詞指人時(shí)只能用who(主語(yǔ)),whom(賓語(yǔ))

，指物時(shí)只能用which。(3)限制性定語(yǔ)從句的先行詞總是一個(gè)名詞或一個(gè)代詞，而非限制性定語(yǔ)從句的先行詞可以是一個(gè)詞，也可以是部分或整個(gè)主句的意思。此時(shí)，一般用關(guān)系代詞as或which引導(dǎo)。Heisalwayspraisedbyhisteacher,whichmadeotherstudentsunhappy.(4)在非限制性定語(yǔ)從句中，不能省略關(guān)系代詞，而在限制性定語(yǔ)從句中則可以。Idon’tknowtheman(that/who/whom)youarehelping.八.關(guān)系副詞when,where和why的用法八.關(guān)系副詞的基本用法關(guān)系副詞指代的先行詞充當(dāng)從句的成分when表時(shí)間的名詞/名詞詞組時(shí)間狀語(yǔ)where表地點(diǎn)的名詞/名詞詞組地點(diǎn)狀語(yǔ)why表原因的名詞原因狀語(yǔ)用關(guān)系副詞when時(shí)，先行詞指時(shí)間，when在定語(yǔ)從句中作時(shí)間狀語(yǔ)，when可換成“介詞+關(guān)系代詞”。如：Istillremembertheday

when(=onwhich)IfirstcametoNanjing.Myfatherwasbornintheyear

when(=inwhich)WorldWarⅡbrokeout.1.when1.when用關(guān)系副詞where時(shí)，先行詞指地點(diǎn)，where在定語(yǔ)從句中作地點(diǎn)狀語(yǔ)，where可換成“介詞+關(guān)系代詞”。如：Thisisthefarm

where(=onwhich)weworkedwhenwewereyoung.Theschool

where(=inwhich)hismotherteachesisinthewestofthecity.2.where2.where用關(guān)系副詞why時(shí)，先行詞指原因，why在定語(yǔ)從句中作原因狀語(yǔ)，why可換成“介詞+關(guān)系代詞”。如：Thereareseveralreasons

why(=forwhich)theboysshouldbepunished.Tomcouldn’tgivetheteacherthereason

why(=forwhich)hewaslateforschool.3.why3.why(2)當(dāng)situation,case，circumstance等先行詞表示“情況，境地，場(chǎng)合”等意思時(shí)，其后常由where引導(dǎo)定語(yǔ)從句，where在句中作狀語(yǔ)。Canyouthinkofasituation

wherethisphrasecanbeused?4.關(guān)系副詞的用法注意點(diǎn)(1)當(dāng)先行詞為time，表示“次數(shù)”時(shí)，應(yīng)用關(guān)系詞that或省略。如：Thisisthefirsttime

(that)thepresidenthasvisitedthecountry.4.關(guān)系副詞的用法注意點(diǎn)鞏固練習(xí)七：用適當(dāng)?shù)年P(guān)系詞填空

1)October1,1949wastheday______/(________)Chinawasfounded.2)Beijingistheplace______/(________)Ilive.

3)Isthisthereason____/(________)hedidn’twanttoseeme?

whenonwhichwhereinwhichwhyforwhich鞏固練習(xí)：用適當(dāng)?shù)年P(guān)系詞填空

4)Isthistheroom______/(________)wewerelivinglastwinter?

5)

Yesterday,wehadameeting_____/(________)wediscussedmanyproblems.

whereinwhichatwhichwhere對(duì)比練習(xí)：1.Theroom______________heoncelivedisstillthere.

Theroom__________Ihavetocleaneverydaybelongstomymother.where/inwhich(that/which)對(duì)比練習(xí)：用適當(dāng)?shù)年P(guān)系詞填空2.Iwillneverforgettheday___________Imetyou.Iwillneverforgettheday___________wespenttogether.when/onwhich(that/which)3.Thereason_____________Idon’tknowthethingisthatIwasnotthereatthattime.Thereason___________Idon’tknowisknowntohim.(that/which)why/forwhichHomework：復(fù)習(xí)“定語(yǔ)從句學(xué)習(xí)與鞏固”學(xué)案中的語(yǔ)法講解，完成所配練習(xí)Moreexercisestoconsolidate1.①I(mǎi)stillrememberthedays_____Iworkedwiththefarmers.②Istillrememberthedays_____Ispentwiththefarmers.A.whichB.onwhichC.whenD.what2.①Wewereontheway_____itbegantorain.②Idon’tliketheway_____youspeaktoyourparents.A.whenB.thatC.howD.which

CAABinwhich/○選擇填空：3.①Theteacherdidn’tknowthereason____shewasabsentyesterday.②Theteachercouldn’tacceptthereason____sheexplainedyesterday.A.howB.whyC.thatD.who4.①I(mǎi)sthisschool_____youevervisited?②Isthistheschool_____youeverstudied?③Isthistheschoolin_____youeverstudied?A.whereB.whichC.thatD.theoneBCDAB選擇填空：5.①Thisis____hesaidatthemeetingyesterday.②Thisisall___hesaidatthemeetingyesterday.A.thatB.whichC.whatD.how6.①____isreportedinthenewspapers,theyhavebeatenalltheotherteams.②____isreportedinthenewspaperthattheyhavebeatenalltheotherteams.③___isreportedinthenewspaperisthattheyhavebeatenalltheotherteams.A.ItB.AsC.WhichD.WhatCABAD選擇填空：7.①I(mǎi)twassuchaneasyquestion____theycouldanswer.②Itwassuchaneasyquestion____theycouldanswerit.A.thatB.asC.whichD.what8.①Thatisthehouse,_____windowshasn’tbeencleanedformonths.②Thatisthehouse,_____thewindowshasn’tbeencleanedformonths.③Thatisthehouse,but_____windowshasn’tbeencleanedformonths.A.it’sB.itsC.whoseD.ofwhichBACDB9.①Johnsaidhe’dbeenworkingintheofficeforhours,____wastrue.②Johnsaidhe’dbeenworkingintheofficeforhours,but_____isnottrue.A.heB.itC.whichD.who

10.①Afewpeoplewerecaughtinthebigfire,____died.②A(yíng)fewpeoplewerecaughtinthebigfire,____dead.A.twoofwho B.twoofwhomC.twoofthem D.twooftheyCBBC11.①I(mǎi)twas1945____theWorldWarIIended.②Itwasin1945____theWorldWarIIended.A.thatB.whichC.whenD.atwhich

12.①Doyouknowthegirl____callingherselfMissForgetful?②Doyouknowthegirl____callsherselfMissForgetful?A.whoB.whomC.sheD./CADA選擇填空：13.①Don’ttalkaboutsuchthings____youarenotsureof.②Don’ttalkaboutsuchthings,of___youarenotsure.A.whichB.whatC.asD.those14.①Hewrotethebestcomposition,____surprisedallofus.②Hewrotethebestcomposition____weallreadjustnow.A.thatB.whichC.itD.inwhichCABA---Wheredidyougettoknowher?---Itwasonthefarm_____weworked.(07山東)A.thatB.thereC.whichD.whereWeshouldn’tspendourmoneytestingsomanypeople,mostof_____arehealthy.(07北京)A.thatB.whichC.whatD.whom選擇填空：Underthebigtreeare34students,manyofthemcomefromClassTwo.Mymotherhasagoodbook,whichcoverlooksterrible.Thisistheverypenthatyougaveittomebefore.Theweatherturnedouttobeverygood,thatwasoutofourexpect.IwilldoallwhatIcantohelpyou.whomwhose