新概念英语青少版3B Unit 18.pptx

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1、Listening and understandingROBERT:Dad!Have you asked Mum yet?WILLIAM:What about?ROBERT:Have you asked Mum if I can start karate lessons?WILLIAM:No,I havent.Ill.Shh!Shes coming.第1页/共21页Listening and understandingKAREN:What are you two whispering about?ROBERT:Oh,er,nothing!Im just going upstairs.See y

2、ou later,Dad!WILLIAM:Yes,of course.第2页/共21页Listening and understandingKAREN:Whats the mystery?Is Robert all right?WILLIAM:Hes fine.He just wants me to ask you something.KAREN:Why doesnt he ask me himself?WILLIAM:Hes afraid that youll say no.第3页/共21页Listening and understandingKAREN:Oh,dear!What is it

3、,William?WILLIAM:Robert wants to learn karate.He doesnt know whether youll let him.第4页/共21页Listening and understandingKAREN:Oh,it that all!You worried me!ROBERT:Do you mean that you dont mind?KAREN:Of course I dont mind!Why would I mind?Karates a sport,isnt it?第5页/共21页Listening and understandingWILL

4、IAM:Its a martial art!Its about fighting!KAREN:All competitor are a kind of fighting.The martial arts are also about rules!第6页/共21页New words and expressionswhisper7Prepared 4/24/08第7页/共21页New words and expressionsupstairs8Prepared 4/24/08第8页/共21页New words and expressionsafraid9Prepared 4/24/08第9页/共2

5、1页New words and expressionswhether10Prepared 4/24/08第10页/共21页New words and expressionsfight11Prepared 4/24/08Fighting!第11页/共21页GrammarWhether 与if 引导宾语从句,一般既可用whether也可用if.但是（1）or not放在whether之后时,只能用whether不用if.E.g.,I dont know whether or not he will come.我不知道他是不是回来.（2）在强调任意选择时,用whetheror,此时不用if替换whe

6、ther.He asked me whether I wanted to go there by train or by bus.他问我是想乘火车还是坐公共汽车去那里.12Prepared 4/24/08第12页/共21页GrammarWhether 与if 引导宾语从句,一般既可用whether也可用if.但是（3）虽引导宾语从句,但为了强调宾语部分,也可把从句放在句首,此时只用whether不用if.Whether he will come I am not sure.他是不是来我拿不准.（4）从句作介词宾语时只用whether不用if.It depends on whether it w

7、ill be fine.那得看是不是晴天.13Prepared 4/24/08第13页/共21页GrammarWhether 与if 引导宾语从句,一般既可用whether也可用if.但是（5）句子中有if引导的条件句,如再有表示“是否”的宾语从句,用whether不用if.He asked me whether Id move to New York if I got the job.他问我如果我得到那份工作是否会搬家到纽约.（6）如果宾语从句为否定句时,则只用if不用whether.I dont know if it wont rain tomorrow.我不知道明天是不是会下雨.14Pr

8、epared 4/24/08第14页/共21页用在动词不定式之前时用whether不用if.I dont know whether to go there at once.我不知道是不是该立刻去那里.15Prepared 4/24/08第15页/共21页Guided ConversationWould you like to learn karate?Why?/Why not?What new sport or activity would you like to learn?Why?Do you think martial arts are a good thing for young pe

9、ople?Why?/Why not?Karen says,All competitors are a kind of fighting.The martial arts are also about rules.What do you think?16Prepared 4/24/08第16页/共21页PronunciationPlease ask Mum pause if I can start karate lessons.Ill find out pause whether she minds.17Prepared 4/24/08第17页/共21页Pattern PracticeA:Has

10、 Claire found a job?B:Ill ask her if shes found one.18Prepared 4/24/08第18页/共21页Pattern Practice19Prepared 4/24/08A:Can you tell me if Claires found a job or not?B:Im not sure whether she has or not,but I can find out for you.第19页/共21页Listening20Prepared 4/24/08Multiple Choice第20页/共21页感谢您的观看！第21页/共21页