新概念第二册第21课课件

sleeping baby
waiting car
正在睡觉的小孩
正在等待的车
4、The airport was built years ago, but for some reason it could not be used then.
• 1)years前面不加确定的数词时，一般表示“许多年”years ago = many
determined adj 坚定的，下决心的
determine vt. 决定，确定，影响 determine a date for a meeting 确定开会的日期 determine on sth 决定做某事 determine to do sth eg. We determined to study English hard. 我们决定要努 力学习英语。 be determined to do sth.下决心做某事 eg. I am determined to stay here. 我决定留下来。 表示下决心做某事，句型知多少？ make up one’s mind to do sth decide to do sth make a decision to do sth
1)n. 原因 for this reason 由于这个原因 For this reason, I was late.由于这个原因，我迟到了。 for some reason 由于某个原因 ( some: 某一个，加可数名词单数) give a reason 提出理由 the root reason 根本原因 the reason is that… 理由是… the reason why…is that… …的理由是… eg. The reason why I study English is that I envy those who speak English well. 我学习英语的理由是我羡慕那些讲英语很好的人。
Over a hundred people must have left.
课文讲解
Mad or not?
1、Mad or not? = mad or not mad? or not 在疑问词的后面，表示“是还不是”，选择概念 2、Aeroplanes are slowly driving me mad. 1). aeroplane = airplane 飞机 2). drive sb mad 把某人逼疯 （难点P94) e.g. You are driving me mad. drive (drove , driven) eg. He drives his car very badly. 他开车技术非常糟糕。 eg. The farmer drovHale Waihona Puke Baidu the cattle in the field. 那位农夫把牛赶进田 里。 eg. Our army drove the enemy back. 我们的军队把敌人赶回去了。 eg. During the war, many people were driven out of their homes. 战争期间，许多人被赶出家园。
3、I live near an airport and passing planes can be heard night and day.
night and day 日日夜夜，夜以继日
passing planes 过往飞机 （passing是现在分词，作定语，起形容词作用，
修饰planes，“经过的(路过)，过往的”） He forgot the man with passing time. 随着时间的消逝，他忘掉了那个人。
reason
• 2) 理性，正常心智 eg. Only man has reason. 只有人类才有理性。 lose one’s reason 丧失理智 beyond all reasons 毫无道理 bring a person to reason 使（某人）明白道理，使不做糊涂事 reasonable adj. 合情合理的，良好的，尚可的 at a reasonable price 以合理的价格 cause 导致某事发生的起因 the cause of the fire 大火的起因 eg. Smoking is one of the causes of lung cancer. 吸烟是肺癌的起因之一。
Listen & Answer
• 1. How does the writer feel about aeroplanes?
He feels that aeroplanes are slowly driving him mad
2.What has mad most of his neighbors leave their homes?
6.I am one of the few people left. Sometimes I think this house will be knocked down by a passing plane.
1). one of 的用法（3点） +名词复数 +谓语动词的单数+形容词的最高 2）left表示被留下来的，leave---left---left , left作定语后置,常放n.后. left 剩下的……东西，相当于“Who are left (by the others) 其他人走了留 下他们” I have a bag left. There is ten cents left in my pocket. （cent [sent] n.(货币单位)分, 分币） 3)sometimes 有时候 sometime （过去或将来）某时候 some time 一段时间 some times 几次，几倍 （注：这是中国人的用法，地道的说法是：several times） 4）knock down 拆散，撞倒 knock at 敲 knock out 打昏 knock off 下班；从…碰下去；优惠，折扣 knock over 撞翻，打翻，撞倒
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We’ll talk about it some other time.
我们改日再谈这件事。
5.Last year,however,it came into use. Over a hundred people must have been driven away from their homes by the noise. 1) come into use:投入使用(永无被动，物作主语） come into:进入得到、获得财富 eg. The airport came into use last year. 这个机场去年投入使用。 go out of use 停止使用 2) over = more than 3) away from 离开 4) Home ,family与 house 的区别（P94难点） home:家,强调有感情;house仅仅指房子;family:家人 home=family+house must have done 对发生完的事情有把握的判断 must have been done （被动形式）
7.Everybody says I must be mad and they are probably right.
1）Everybody不定代词作主语谓语动词用单数 2）must be 表对现在事实的肯定推测
• 动词语态
• 英语动词有两种语态
• 主动语态：主语是动作的执行者
sum n. 量
a large sum of:大量的，喜欢跟钱连用 一大笔钱 a large sum of money
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表“许多”的短语： a great many + pl. a great/large number of + pl. an amount of (money) a (large)sum of (money)修饰货币
Lesson 21
Mad or not?
New words
• • • • 1 mad [mæ d] a.发疯 2 reason ['ri:zən] n.原因 3 sum[sʌm] n.量 4 determined [di'tə:mind] a.坚定的，下 决心的
mad adj 发疯的
1.be mad 发疯，发狂 （强调状态） 2.“为……而疯狂（着迷）”的表示方法： ①be mad about… I'm mad about English. ②be crazy about… go mad 发疯，发狂 （强调转变） go crazy go insane （insane[in'sein] adj. 患精神病的，精神病患 者的，极愚蠢的） go bananas （go+adj. 变得……) They are going bananas. =going crazy=going mad (变疯了) I slowly go insane/go crazy/go mad/go bananas. 3.be mad at sb 生某人的气 4.drive sb mad 逼疯
years ago，weeks等的用法与它相似 • • • I have not seen him for weeks. 2)for some reason 由于某个理由 some+可数名词单数：某一 some book
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some+可数名词复数：一些 some books
some+不可数名词： 一些 some water I’ll tell you some day.
4. When was the aeroplane built and when did the airport come into use ?
It was built years ago, and it came into use last year.
5 How many people must have left ?
sum n. 量
n. 大意，要旨 the sum of a speech 演讲大意 sum up (1) 合计 sum up all the expenses 把所有的花费加起来 (2) 总结，概括 eg. To sum up, he agrees with us. 总的来说，他同意我们的观点。 in sum = in a word / in short / in brief 总之，要言之
• I have been offered a large sum of money to go away, but I am determined to stay here.
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offer v. 提供（相当于given） offer help 提供帮助 offer a sum of money 提供一笔钱 offer a job 提供一份工作 offer sb sth offer sth to sb 双宾语的被动语态中，主语有两种可能; 以sb.做主语或以 sth. 做主语 give sb. sth.——>被动 sb. be given sth. give sth. to sb.——>被动 sth. be given to sb. 双宾语在变被动时用离动词最近的宾语做主语 原文句型结构 sb. be offered sth. be determined to do sth 下定决心要做
Most of his neighbors has been made to leave their homes by the noise of the planes.
• 3. Why do people think the writer is mad ?
Because he has been offered a large sum of money to go away, but he is determined to stay.