新概念第二册第21课课确定稿

1、Lesson 21Mad or not? New words 1 mad md a.发疯 2 reason ri:zn n.原因 3 sumsm n.量 4 determined dit:mind a.坚定的，下决心的mad adj 发疯的1.be mad 发疯，发狂发疯，发狂 （强调状态）（强调状态） 2.“为为而疯狂（着迷）而疯狂（着迷）”的表示方法：的表示方法：be mad about Im mad about English.be crazy about go mad 发疯，发狂发疯，发狂 （强调转变）（强调转变） go crazy go bananas （go+adj.变得变得)Th

2、ey are going bananas. =going crazy=going mad (变疯了变疯了) I slowly go crazy/go mad/go bananas.3.be mad at sb 生某人的气生某人的气4.drive sb mad 逼疯逼疯reason 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 give a reason 提出理由the reason is that 理由是the reason whyis that 的理由是e

3、g. The reason why I am here is that I want to study English well. 2) 理性，正常心智eg. Only man has reason. 只有人类才有理性。只有人类才有理性。 lose ones reason 丧失理智丧失理智beyond all reasons 毫无道理毫无道理bring a person to reason 使（某人）明白道理，使不做糊涂事使（某人）明白道理，使不做糊涂事reasonable adj. 合情合理的，良好的，尚可的合情合理的，良好的，尚可的at a reasonable price 以合理的价格以

4、合理的价格sum n. 量a large sum of:大量的，喜欢跟钱连用一大笔钱a large sum of moneysum n. 量 表“许多”的短语： a great many + pl. a （great/large） number of + pl./ the number of +名词复数 an amount of (money) a (large)sum of (money)修饰货币 n. 大意，要旨大意，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.

5、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determined adj 坚定的，下决心的坚定的，下决心的determine vt. 决定，确定，影响决定，确定，影响determine a date for a meeting 确定开会的日期确定开会的日期determine on sth 决定做某事决定做某事determine to do stheg. We determined to study English hard. 我们决定要努我们决定要努力学习英

6、语力学习英语。be determined to do sth.下决心做某事下决心做某事eg. I am determined to stay here. 我决定留下来。我决定留下来。 表示下决心做某事，句型知多少？表示下决心做某事，句型知多少？make up ones mind to do sthdecide to do sthmake a decision to do sth课文讲解课文讲解Mad or not?1、Mad or not? = mad or not mad? or not 在疑问词的后面，表示在疑问词的后面，表示“是还不是是还不是”，选择概念，选择概念2、Aeroplanes

7、 are slowly driving me mad. 1). aeroplane = airplane 飞机飞机 2). drive sb mad 把某人逼疯把某人逼疯 （难点（难点P94) e.g. You are driving me mad. drive (drove , driven) eg. He drives his car very badly. 他他开车开车技术非常糟糕技术非常糟糕。 eg. The farmer drove the cattle in the field. 那位农夫把牛那位农夫把牛赶赶进进田里田里。 eg. Our army drove the enemy

8、back. 我们的军队把敌人我们的军队把敌人赶回赶回去去了了。 eg. During the war, many people were driven out of their homes.战争期间，许多人被赶出家园战争期间，许多人被赶出家园。Drive1.drive sb. mad 把某人逼疯把某人逼疯2.drive sb.back 把某人撵回去把某人撵回去3.drive 开车开车4.drive into 把把赶到赶到5.drive out of 赶出赶出4、The airport was built years ago, but for some reason it could not b

9、e used then.1)years前面不加确定的数词时，一般表示前面不加确定的数词时，一般表示“许多年许多年”years ago = many years ago，weeks等的用法与它相似等的用法与它相似 I have not seen him for weeks.2)for some reason由于某个理由由于某个理由 some+可数名词单数：某一可数名词单数：某一 some book some+可数名词复数：一些可数名词复数：一些 some books some+不可数名词：不可数名词： 一些一些 some water ( some: 某一个，加可数名词单数某一个，加可数名词单数

10、any 任何一个任何一个)_students are waiting for you._student is waiting for you.答案：答案：some some3、I live near an airport and passing planes can be heard night and day. night and day =day and night日日夜夜，夜以继日日日夜夜，夜以继日 passing planes 过往飞机过往飞机 （passing是现在分词，作定语，是现在分词，作定语，起形容词作用，修饰起形容词作用，修饰planes，“经过的经过的(路过路过)，过往，过

11、往的的”） sleeping baby 正在睡觉的小孩正在睡觉的小孩 waiting car 正在等待的车正在等待的车 swimming pool5.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:投入使用投入使用(永无被动，物作主语）永无被动，物作主语） come into:进入得到、获得财富进入得到、获得财富 eg. The airport came into use last

12、 year. 这个机场去年投入使用。这个机场去年投入使用。 go out of use 停止使用停止使用2) over = more than3) away from 离开离开4) Home ,family与与 house 的区别（的区别（P94难点）难点）home:家家,强调有感情强调有感情;house仅仅指房子仅仅指房子;family:家人家人 home=family+house must have done 对发生完的事情有把握的判断对发生完的事情有把握的判断 must have been done （被动形式）（被动形式）6.I am one of the few people lef

13、t. Sometimes I think this house will be knocked down by a passing plane. 1). one of 的用法（的用法（3点）点） +名词复数名词复数 +谓语动词的单数谓语动词的单数+形容词的最高形容词的最高2）left表示被留下来的，表示被留下来的，leave-left-left , left作定语后置作定语后置,常放常放n.后后. left 剩下的剩下的东西，相当于东西，相当于“Who are left (by the others) 其他人走了留其他人走了留下他们下他们” I have a bag left. There i

14、s ten cents left in my pocket. （cent sent n.(货币单位货币单位)分分, 分币）分币）3)sometimes 有时候有时候 sometime （过去或将来）某时候（过去或将来）某时候 some time 一段时间一段时间 some times 几次，几倍几次，几倍 （注：这是中国人的用法，地道的说法是：（注：这是中国人的用法，地道的说法是：several times）4）knock down 拆散，撞倒拆散，撞倒 knock at 敲敲 knock out 打昏打昏 knock off 下班；从下班；从碰下去；优惠，折扣碰下去；优惠，折扣 knock

15、over 撞翻，打翻，撞倒撞翻，打翻，撞倒 I have been offered a large sum of money to go away, but I am determined to stay here. 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 give sth. to sb be determin

16、ed to do sth 下定决心要做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不定代词作主语谓语动词用单数Someone anyone everyone2）must be 表表对现在事实的肯定对现在事实的肯定推测推测 He will repair your watch. He will repair your watch. Your watch _ _ _ by him.Your watch _ _ _ by him.willberepairedHe can repa

17、ir your watch.Your watch _ _ _ by him. .canrepairedbeThey must test this new car. This car_ _ _.mustbetestedYou have to write this letter again.This letter _ _ _ _ again.hastobewritten被动语态构成被动语态构成 be动动词词+及物动词的过去及物动词的过去分词分词 +by sb(宾格宾格) （ be + P.P.) I often clean the door. The door is often cleaned b

18、y me She can speak English. English can be spoken by her主动语态改为被动语态的方法 将主动语态的宾语改为被动语态的主语。将主动语态的宾语改为被动语态的主语。 将主动语态的谓语动词改为将主动语态的谓语动词改为“be+过去分过去分词词”结构。结构。 将主动语态的主语改为介词将主动语态的主语改为介词 by之后的宾之后的宾语，放在谓语动词之后（有时可省略）。语，放在谓语动词之后（有时可省略）。 动词语态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 被动语态：主语是动作的承受者 speak English.(主动语态) English

19、is spoken by .(被动语态)以以see为例，比较主动语和态为例，比较主动语和态被动语态的结构形式被动语态的结构形式时态主动语态被动语态(be+过去分词）一般现在时see / seesam(is,are)+seen一般过去时sawwas(were)+seen一般将来时will (shall) +seewill(shall)+be+seen(过去将来时)would(should)+seewould(should)+be+seen现在进行时am(is,are)+seeingam(is,are)+being+seen(过去进行时)was(were)+seeingwas(were)+bein

20、g+seen现在完成时have(has)+seenhave(has)+been+seen(过去完成时)had+seenhad+been+seen含情态动词情态动词+see情态动词+be+seen肯定句，否定句及疑问句如下。Cars are made in Changchun. Cars are not made in Changchun. -Are cars made in Changchun? (-Yes, they are./No,they arent.) Where are cars made? p26被动语态被动语态使用条件使用条件1.不知道动作的执行者是谁，或没有必要指出动作不知道动

21、作的执行者是谁，或没有必要指出动作的执行者时。的执行者时。 My bike was stolen last night. Letters are collected at eight every morning. 2. 为了强调或突出动作的承受者时。为了强调或突出动作的承受者时。 The desk was made by Master Wang. The bag was taken away by his sister. 3. 为了更好地安排句子为了更好地安排句子The well-known person got on the bus and was immediately recognize

22、d by people. （一个主语就够了） 4. 在上下文中，为了使句子间连接在上下文中，为了使句子间连接紧密时。紧密时。如：如： I have a new skirt. It was given to me as a birthday present by my aunt. 将下列句子改成被动语态。 1.We use English as a foreign language. English is used as a foreign language( by us) 2. People write business letters in English Business letters

23、are written( by people) in English. 3.They make telephone calls in English. Telephone calls are made( by them) in English. 4.Travelers and business people use English. English is used by travelers and business. 5.Farmers grow rice in Zhejiang. Rice is grown by farmers in Zhejiang We should speak English . English should be spoken by me.主动语态变为被动语态时注意主动语态变为被动语态时注意1. 含直接宾语和间接宾语的主动语态变为被动语态时有两种情况: 2.Eg He gave the boy an apple. (1)把间接