新概念英语青少版4A第廿一课课件JNCE-Unit21-Mad-or-not.pptx（无音视频）

1、JNCE 4AUnit 21 Mad or not?Teaching aims1. Ss can master the usage of key words and phrases: drive sb mad, for some reason, come into use, offer, a large sum of money, be determined to do, drive away, night and day;2. Ss know the structure of passive voice with modal verbs “can”, “must”, and “could”

2、and know the different meanings with the modal verbs; 3. Recite the second para.;4. Ss can get to know different kinds of noises and its influence on our daily lives.复习一般现在时，一般过去时的被动掌握含有情态动词的被动语态的含义，以及结构即可CONTENTSReviewText learningGrammar focusNew words1.课文默写（课文默写（7分钟）。分钟）。2. Fill in the blanks1) H

3、e is always w_ about his weight.2) Now I can walk to work _(而不是而不是) going by car. 3) You have to h_ if you want to catch that train.4) The boy often c _ trouble, so his parents are angry with him.5) Hearing the news, he looked very _(吃惊吃惊).6) A _ with others is not right.7) I heard a little bird _(唱

4、歌唱歌) in the tree.8) Tom practice_(play) the violin every day.Keys: 1. worried 2. instead of 3. hurry 4. cause 5. surprised 6. Arguing 7. singing 7. playingReview(U19+ U20)cant find something importanta lot of work needs to be donealways hear the noisecant sleep wellWhen will you feel mad? Picture to

5、urPicture tour1. 1. What happened in the first picture?What happened in the first picture?2. 2. Did the man decide to go away?Did the man decide to go away? Aeroplane drives the man mad because of the noise. He was offered a large sum of money, but he determined to stay here. Why did he make such a

6、decision? 1. mad adj 发疯的发疯的 , 神经错乱的神经错乱的/ 生气的，气愤的生气的，气愤的 be mad at / with go mad 发疯，发狂发疯，发狂 When is your mother / teacher mad at you?2. reason n 原因原因 for some reason: 由于某种原因由于某种原因 The reason whyis that 的理由是的理由是3. determine vt. 决定，确定决定，确定(注意发音以及重度注意发音以及重度) determine to do sth decide to do determined

7、adj. 坚定的，坚毅的坚定的，坚毅的4. a large sum of: 大量的大量的 a large sum of money sum: n. 总数总数New words教师需要对于第2，3个单词举例1. Ill go m if I have to wait much longer. 2. The r_ why I study English is that I want to go abroad.3. His father spent a large s_ of money on the house.4.The little girl gave me a d_ look. She sai

8、d she would not change her mind. Fill in the blanksadeasonumetermined Text learningListen and mark. Listen and follow. Aeroplane are slowly driving me mad. I live near an airport and passing planes can be heard night and day I have been offered a large sum of money to go away, but I determined to st

9、ay here. Everyone says I must be mad and they are probably right.Read, divide, and give a new title.Topic sentenceDevelopmentEnding题目可参照Am I mad?让学生把分好的段在课文中进行标注，方面后面讲解What make the writer go mad? And why?Aeroplanes are slowly driving me mad.Part 1 Topic sentenceaeroplane: n. airplane/plane 飞机 I liv

10、e near an airport and passing planes(1) can be heard(2) night and day(3). The airport was built(4) years ago, but for some reason(5) it could not be used(6) then. Last year, however, it came into use(7). Part 2 Development1. can be heard, could not be used: 含有情态动词的被动语态结构：情态动词+ be+done (情态动词不同，情感态度不同

11、)2. passing planes过往的飞机 （passing修饰planes, “经过的，过往的”）3. night and day 日日夜夜，夜以继日4. come into use: 投入使用Can you use your own words to describe the airport?有时间，学完背诵该段 Over(1) a hundred people must have been driven(2) away from(3) their homes by(4) the noise. 1.1.over(超过超过), from(来源来源), by(被动语态被动语态)2. mus

12、t have done 过去发生, 表示推测, 一定3. must have been done过去发生过去发生, ,表示推测表示推测, ,被动被动( (仅作了解仅作了解) )What was the peoples reaction(反应反应) towards the noise? I am one of the few people left. Sometimes I think this house will be knocked down(1) by a passing plane. I have been offered(2) a large sum of money(3) to g

13、o away(4), but I am determined to stay(5) here.1. will be knocked down: 将来时的被动语态将来时的被动语态2. knock down:击倒，撞倒击倒，撞倒3. have been offered: 现在完成时被动现在完成时被动( (offer to do) )How about the writer?Can you guess why didnt the writer leave his house? Everybody says I must be mad and they are probably right.Part

14、3 Ending must be mad: 肯定推测肯定推测, , 一定一定Discussion:Do you know any other noise that make you mad?Fill in the blanks Aeroplane are slowly driving 1._(I) mad. I live near 2._ airport and passing planes can 3._(hear) night and day. The airport 4._(build) years ago, but for some reason it could not be use

15、d then. Last year, however, it 5._(come) into use. Over a hundred people must have been driven away 6._their homes by the noise. I am one of the few people left. Sometimes I think this house will be knocked down 7._ a passing plane. I have been 8._(offer) a large sum of money 9._(go) away, but I det

16、ermined 10._(stay) here. Everyone 11. _(say) I must be mad and they are 12._(probable) right.Keys: 1. me 2. an 3. be heard 4. was built 5. come 6. from 7. by 8. offered 9. to go 10. to stay 11. says 12. probablyGrammar focus1. Passing planes can be heard night and day. 2. The airport was built years

17、 ago, but for some reason it could not be used then. 3. He is believed by us.4. Your homework should be finished at once.Read and find something in common学生需要说出被动语态的时态1. 概念：主动语态主语是动作的执行者 被动语态主语是动作的承受者2. 结构：主语+ be+动词的过去分词+其它3. 时态：be 必须与主语的人称和数一致, 通过变化be 体现句子的不同时态(主要掌握一般现在时和一般过去时).4. 含有情态动词的被动语态Review

18、 what we have learnt about the passive voice.主语主语+ can(能够能够) / may(可以可以) / must(必须必须) / should(应该应该) + + done (注意情态动词的含义注意情态动词的含义)教师需要进一步指出情态动词的含义1. My bike was stolen last night. 2. Letters are collected at eight every morning. .1. The desk was made by Master Wang. 2. The bag was taken away by his

19、sister. When can we use the passive voice?不知道动作的执行者是谁，或不知道动作的执行者是谁，或没有必要指出动作的执行者时。没有必要指出动作的执行者时。为了强调或突出为了强调或突出动作的承受者时。动作的承受者时。根据学生情况，选用Read and judge whether the sentences are right or wrong.1. The truth will be known by everyone.2. Some pens bought for his children.3. The children gave the foreign

20、guests a warm welcome.易错点：易错点：1. 被动语态的结构记错被动语态的结构记错(be done) 2. 判断何时使用被动语态出错判断何时使用被动语态出错语法填空语法填空(1) -Who is the little baby in the photo, Susan? -Its me. This photo_(take) ten years ago.(2) -What should we do first if we want to develop our village? -A lot of the new roads_(must, build), I think.(选做

21、选做)(3) My mother always_(sweep) the floor every day.(4) Rice _(grow) in the south of the country.(5) My aunt _(invite) me to the dinner party this morning. Key:1. was taken 2. must be built 3. sweeps 4. is grown 5. invited see you next time课文电子版课文电子版 Aeroplane are slowly driving me mad. I live near

22、an airport and passing planes can be heard night and day. The airport was built years ago, but for some reason it could not be used then. Last year, however, it came into use. Over a hundred people must have been driven away from their homes by the noise. I am one of the few people left. Sometimes I

23、 think this house will be knocked down by a passing plane. I have been offered a large sum of money to go away, but I determined to stay here. Everyone says I must be mad and they are probably right.Homework1.本节重点单词短语抄写5+1，听写1遍，家长签字2.听录音（每天至少15分钟），纠正发音3.背诵课文，周三前发送语音，班级群接龙4.完成讲义剩余习题及课后反思，家长签字5.完成U21课后拓展阅读及其习题