新概念一lesson127-128课件(推荐)PPT文件格式下载.ppt

1、Lesson 127A famous actress.Lesson128 He cant be He must beListen and answer:#lWho are they talking about?#l Who is only twenty-nine?#lKaren Marsh.lNobody.fame去e加ousfamous名声、名望act（t）ressactress女子长头发actoractorreadUnit 64Unit 6412345lbe famous as 作为很有名be famous to 对来说很出名lbe famous for 以著称lwell-known 闻名

2、的.lThat must be Conrad Reeves.lIt cant be.l问题：#这两句的翻译是：#l那必须是Conrad Reeves.l不能是的。#l翻译得对吗？#不对，课文里两个gossip wowen只是在推测而已，运用了情态动词。#不同的不同的“肯定肯定”程度可按下列层次排列：#程度可按下列层次排列：#He is at home.He must be at home.He may be at home.He might be at home.He couldnt be at home.He cant be at home.He isnt at home.肯定事实肯定事实非

3、常肯定的推断非常肯定的推断 仅仅可能而已仅仅可能而已或许或许,非常不确定非常不确定 很可能不在家很可能不在家不可能在家不可能在家否定事实否定事实 表示推测表示推测情态动词的重要用法情态动词的重要用法.肯定的推测肯定的推测可能的推测可能的推测否定的推测否定的推测疑问的推测疑问的推测 must 对将来对将来 对现在对现在 对过去对过去情态动词情态动词may,might cant,couldntcan,could +V.+V.+have done +be doing +V.+V.+have done +be doing +V.+V.+have done +be doing+V.+V.+have do

4、ne +be doing 1.I dont know where she is,she _ be in Wuhan.2.At this moment,our teacher _ our exam papers.这时，我们老师一定在批改试卷。#（这时，我们老师一定在批改试卷。#（correct）3.The road is wet.It _ last night.（rain）maymust be correctingmust have rained情态动词must与can表示推测时的用法lHe must be American.l他一定是美国人。#lHe must know my address.

5、l他肯定知道我的地址。#lmust表推测时，暗含很大的可能性I dont think so.He cant be a sales rep.He must be the boss.I dont think so.It cant be cheap.It must be expensive.I dont think so.They cant be Canadian.They must be Australian.I dont think so.They cant be listening to the radio.They must be watching television.I dont think so.She cant be old.She must be young.I hope not.I hope not.I hope so.I hope so.No,she doesnt,does she?#Yes,she is,isnt she?#No,she isnt,is she?#Yes,she can,cant she?#