新牛津深圳版八年級英語上冊Unit 3 Lesson 2 exhibitions and museum 教案

Unit32and時間狀從教學目標：Teachingobjectives:1.Studentswillbeabletomastertheadverbialclauseoftime.時間狀語從句引導時間狀語從句的詞有when,as,before,after,until/till,assoonas,since時間狀語從句的時態(tài)when,after,before,until,assoonas引的時間狀語從句，如果主是一般將來時、祈使句或含有將來的意味，從句用一般現(xiàn)在時代替一般將來時“??的時候時狀語從句的動作和主句的動作可以是同時發(fā)生可以先后發(fā)生；從句可以用延續(xù)性動詞，也可以用點動詞?！??的時候調(diào)主句與從句中的謂語動詞動作同時發(fā)生，也可表示一個人的兩個動作交或同時進行，意為“一邊??，一邊??指時間點，也可指時間段；while“??的時候強主句和從句的動作同時發(fā)生；但while只表示一段時間，從句用延續(xù)性動詞。注：while也可作并列連詞，表轉(zhuǎn)折的關(guān)系，相當于but譯為“然而eg.Ilikelisteningtowhilemybrotherlikesdoingsports.till和until都直??為止延性動詞句和從句都用肯定式直??才”時，主句用終止性動詞，主句用否定式，從句用肯定式until較till正，until引導的間從句可以放在句首。since引的時間狀語從句常用般過去時，其主句一般使用現(xiàn)在完成時注：常用句型：is+時間段since從句

譯為：自從??有多長時間了。eg.Itissixyearssincegraduatedfromtheuniversity.before意為在?導間狀語從句時，表示主句的動作發(fā)生在從句的動作之前。after意為在??之后時間狀語從句時，表示主句的動作發(fā)生在從句的動作之后。assoonas意為一??就??示句的動作一發(fā)生，主句的動作馬上就發(fā)生。Exercise：1.Itwasquiet________thosebigtruckscomingthroughthetown.A.beforeB.afterC.untilD.unless2.Itseemedonlyseconds________theboyfinishedhisface.A.whenB.C.afterD.evenif3.Hardlyhadhereachedthe________thebellrang.A.whileB.whenC.asD.assoonas1

6.Hewasabouttogotobed________thedoorbellrang.A.whileB.asC.D.7.________Ilistentoadvice,Igetintotrouble.A.EverytimeB.WhenC.WhileD.Until8._____JohnwasTV,hiswascooking.A.AsB.AsasC.WhileD.Till9.Thechildrenranawayfromthe果)______theysawtheguard.A.themomentB.afterC.beforeD.as10.NosoonerhadIarrivedhome_____itbegantorain.A.whenB.whileC.asD.11.Severalweekshadgone_____Irealizedthewasmissing.A.asB.beforeC.sinceD.whenIt__longbefore___theresultoftheexperiment.A.willnotbe;willB.is;willC.willnotbe;knowD.is;know–Whatwasthepartylike?--Wonderful.Ityears__Ienjoyedmyselfsomuch.A.afterB.beforeC.whenD.since14.ThenewsecretaryissupposedreporttothemanagerassoonasA.willarriveB.arrivesC.isgoingtoarriveD.isarriving15._____gotintotheroom_____thetelephonerang.A.Hehardlyhad;B.hadhe;C.Hehadnot;thenD.Nothadhe;16.Nosoonerhadhefinishedhistalk_____hewassurroundedbytheworkers.A.asB.thenC.D.when17.–yourememberthemoneyyouher?--Yes,gaveittoher_____Isawher.A.whileB.theC.suddenlyD.once18.Ithoughtherniceandhonest___mether.A.firsttimeB.forthefirsttimeC.thefirsttimeD.bythefirsttime19.HewillhaveEnglishforeightyearsbythetimehe_____fromtheuniversitynextyear.A.willgraduateB.willhavegraduatedC.graduatesD.istograduate2

20.Themomentthe28thOlympicGames_____open,thewholeworldcheered.A.declaredB.havebeendeclaredC.havedeclaredD.weredeclared21I___themessagetohimassoonashe___backtomorrow.Agive,comeB.willgive,willcomeC.willgive,comesD.give,22.thedoctoradvisedmetolive____theairisfresh.AinwhereB.inwhichC.theplacewhereD.where23.TheRedCrossisexpectedtosendhelp_thereishumansuffering.Awhoe