Unit23AfamousclockLesson46（课件）-新概念英语青少版（2008）5A

Unit23AfamousclockLesson46PatternPracticePatternPracticeGrammarPastPerfectTenseReinforcementSentenceStructure:MainClause(PastTense)+SubordinateClause(PastPerfectTense)e.g.Heappliedforthejobyesterday,buthe’dbeenthinkingaboutitforages！StudentTask:✅

ContextSwitching:Rewritesentencesusingfamiliarlifecontexts(mobilephones/exams/travel/etc.)KeyStructuresContrastivePractice:⚡Fact:TheHousesofParliamentburneddown→BigBenwasbuilt⚡Hypothetical:"IftheHouses______,BigBen______"ReviewKS12-21Themomentyouleavethistent,youwillgetabigsurprise.(KS12)Bytheendofthisweek,hewillhavebeenworkingwiththemforsixweeks.(KS13)Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.(KS14)IftheBritishhadnotfearedinvasion,itwouldhavebeencompleted.(KS16)must,haveto,shouldandoughtto(KS17)KeyStructureshave(KS18)Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.(KS21)ExercisesAUnderlinetheverbsinthetext.ReviseanyKeyStructuresyouhaveforgotten.BGivethecorrectformoftheverbsinparentheses.Donotrefertothetextuntilyoufinishtheexercise.KeyStructures1Whenyou_______(visit)London,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhich_______(can/hear)allovertheworldontheBBC.IftheHousesofParliament_______(notburn)downin1834,thegreatclockwouldneverhavebeenerected.2OfficialsfromGreenwichObservatoryhavetheclock_______(check)twiceaday.OntheBBCyoucanheartheclockwhenitactually_______(strike),becausemicrophones_______(connect)totheclocktower.3Once,however,itfailedtogivethecorrecttime.Apainterwho_______(work)onthetowerhungapotofpaintononeofthehands.KeyStructuresExercisesCGivethecorrectformoftheverbsinparentheses:1IshallhavecompletedthisnovelbyDecember.BythenI________(work)onitfortenmonths.2Nowthatyou________(finish)workyoucangohome.DSupplythecorrectformofshould,oughttoorhavetointhesesentences:1Icouldn'tgoshoppingyesterdayafternoon.I________(go)tothedentist.2Ireally________(buy)anewcarbutIcan'taffordto.3Ididn'tknowyouwouldbelate.You________(telephone).SpecialDifficultiesWordsoftenconfusedStudytheseexamples:a)official,employee,shopassistantOfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.(ll.11-13)TheCustomsofficialaskedmeseveralquestions.Overathousandfactoryemployeeswentonstrike.Sheworksasashopassistantinaclothingstore.b)hanghungandhanghangedApainterhungapotofpaintononeofthehands.(ll.17-19)Whenthesuncameout,shehungthewashingontheline.Themurdererwashanged.SpecialDifficultiesExerciseChoosethecorrectwordsinthefollowingsentences:1The(clerk)(shopassistant)whoservedmewasveryhelpful.2I(hanged)(hung)mycoatinthehall.3Capitalpunishmenthasbeenabolished.Murdererswillnotbe(hung)(hanged)infuture.WritingSentencestructureRewritethissentencewithif...not,thencheckyouransweragainstthetext.TheHousesofParliamenthadbeenburneddownandthat'swhythegreatclockwaserected.WritingCompositionWritetwoorthreesentencesusingtheideasgivenbelow:BigBentellsthecorrecttime——italsotellsuswhenParliamentisinsession——thereisalightintheclocktower——itiskeptonuntiltheHousecloses-sometimes——itisonallnight.WritingWriteaboutyou:LookingforwardtoavisitAnEnglish-speakingfriendofyourswillbetouringChinasoonandisplanningtocomeandvisityouandyourcity.Writehimheranemail.Beginbysayinghowpleasedyouarethathesheiscoming.Inthenextparagraph,describethefirstplaceorsightthatheshemustvisit.Writeafewlinestoexplainwhythisplacesightisespeciallyinteresting.Saywhetherthereareanumberofothersightsyoucanrecommend.Finishwithafriendlyclosingsentenceandsignoffintheusualway.WritingSnowpartyAtnearlytwothousandfeetabovesealevel,theTanHillInnisBritain'shighestpub.Thenearesttownsaremilesaway.Althoughitstandsalone,alongwayfromthenearesttown,thepubisclosetowheretheCoast-to-CoastfootpathcrossesthePennineWay.Marthaandherfriendshadoftenmetthereforwalkswhentheywereatuniversitytogether,andthatwaswhytheyhadagreedtomeetthereagainonNewYear'sEve.ReadingComprehensionIftheymetbymidday,Marthasaid,thereoughttobetimeforathree-hourwalkbeforetheycameinandsettleddowninfrontofthefire.ItwassnowingsteadilyasMarthadroveupthemountain,andshecouldfeeltheforceofthewindagainstthecarastheyclimbed.Shewasgladofherfriends'companyinthecarandevenmorerelievedwhenshesawthelightsoftheTanHillInnahead.Atoneo'clock,threemorefriendsarrived,havinghadaterriblejourney.Theotherthreearrivedonfootatthreeơ'clock,afterleavingtheircaramileaway.Theybroughtwiththemafamilywithtwoyoungchildrenwhosecarhadgotstuckinthesnow.Theroadwasblockedlowerdown,theysaid.Alotofpeopleneededhelp.Carryingfoodandwarmclothing,Martha