新概念英语第二册ppt课件Lesson71精品公开示范课资源.pptx

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1、Lesson71PepperA famous clockDailyProverbOn the great clock of time there is but one word,Now.在伟大的时钟上，只有一个词，就是“现在”。1Listening2New Words议会，国会p:lmntparliament国会大厦the Houses of Parliament盖这座国会大厦是个大错误。建造，建立 rekterectIt is a big mistake to erect the Houses of Parliament.erectionThe erection of the Houses

2、of Parliament is a big mistake.准确的时间准确的 kjurt accurateaccurate time 保持精确的记录keep accurate record inaccurate不准确的天文台bz:vtriobservatoryobserve v.观察他总是仔细地观察这个社会。He always observes the society carefully.v.遵守每位公民都应该遵守交通规则。Everyone should observe traffic rules.v.注意到你最近有没有注意到有什么奇怪的东西?Have you observed anythi

3、ng strange recently?More WordsofficialGreenwichcheckmicrophonetowerfltekmakrfnta(r)n.官员n.格林尼治v.检查n.麦克风n.塔3Grammar真实条件句和非真实条件句(虚拟语气)表示与现实情况相反的假设情况，采用虚拟语气表示条件是真的或有可能实现的,采用陈述语气If it rains tomorrow,the crops will be saved.If it rained tomorrow,the crops would be saved.if虚拟条件句a.表示与现在事实相反的假设b.表示与过去事实相反的假设

4、c.表示与将来事实相反的假设条件从句中的谓语动词 主句中的谓语动词did/were would(could/should/might)+dohad done/been would(could/should/might)+have donedid/were would(could/should/might)+doshould dowere to doIf I were a boy,I would join the army.如果我是个男孩，我就参军了。如果我学会游泳，我就不会被困在这个岛上了。If I had learnt how to swim,I wouldnt have been trap

5、ped in this island.如果他早起，他就能准时到达。If he got up early,he would arrive on time.假如他来了,我们对他说什么呢？If he came,what should we say to him.should come/were to come假如他看见我,就会认识我。If he saw me,he would know me.should see/were to see错综时间条件句主句与从句的动作发生在不同的时间,这时主从句位于动词的虚拟语气形式因时间不同而不同,这叫做混合条件句。如果你昨天问他的话，你现在就知道答案了。If yo

6、u _ him yesterday,you _ what to do now.had asked would know如果我有钱，我去年会买那幢别墅了。If I _,I _ the villas last year.were richwould have bought 虚拟条件句省略或倒装省略连词if 在书面语中，如果虚拟条件从句中有were，had 或 should，可以把if省略，把这几个词放到主语之前，构成主谓倒装。If he should come,tell him to ring me up.Should he come,tell him to ring me up.If I wer

7、e you,I wouldnt do it.Were I you,I wouldnt do it.含蓄虚拟条件句(without/but for/.+N.)but for表示“若不是”“要不是”要不是碰到暴雨，我们还会早些到。要不是他有养老金，他就挨饿了。But for his pension,he would starve.But for the storm,we should have arrived earlier.如果没有你的帮助，我们的实验是不会成功的。But for your help we couldnt have succeeded in the experiment.with

8、out含蓄虚拟条件句 要不是碰到暴雨，我们还会早些到。But for the storm,we should have arrived earlier.Without the storm,we should have arrived earlier.If there hadnt been the storm含蓄虚拟条件句 but I could not have succeeded,but t he came to help me.She would gain weight but she doesnt.otherwise/or We didnt know his telephone numb

9、er;otherwise we would have telephoned him.He must have had an accident,or he would have been here.1.-What will you do if it _(rain)tomorrow?-We have to carry it on,since weve got everything ready.2.She told me that she would not go with me if it _(rain)the next day.3.If I _(be)you,I would plant some

10、 trees round the house.4.If I had been you then,I _(not quarrel)with him.5.If the United States had built more homes for poor people in 1955，the housing problems now in some parts of this country _(not be)so serious.Exercise4Text UnderstandingWhen you visit London,one of the first things you will se

11、e is Big Ben,the famous clock which can be heard all over the world on the B.B.C.one of+序数词/形容词最高级+名词复数 British Broadcasting CorporationIf the Houses of Parliament had not been burned down in 1834,the great clock would never have been erected.Big Ben takes its name from Sir Benjamin Hall who was res

12、ponsible for the making of the clock when the new Houses of Parliament were being built.take its name from 以命名be responsible for 为负责take responsibility for It is not only of immense size,but is extremely accurate as well.On the B.B.C.you can hear the clock when it is actually striking because microp

13、hones are connected to the clock tower.Big Ben has rarely gone wrong.Once,however,it failed to give the correct time.A painter who had been working on the tower hung a pot of paint on one of the hands and slowed it down!1.全世界2.国会大厦3.焚毁 4.以.命名5.对.负责6.不仅.而且.7.一天两次 8.把.连接到.9.出故障10.失败做某事11.一罐油漆12.使.慢下来1.all over the world 2.the Houses of Parliament3.burn down 4.take its name from5.be responsible for 6.not onlybut also/as well7.twice a day 8.connect to9.go wrong10.fail to do sth11.a pot of paint12.slow downThanks!