新概念英语第二册21课件_图文

1、Pre-taskHow does the writer feel about aeroplanes?What has made most of his neighbours leave their homes?Why does people think the writer is mad?Mad or not?mad adj. 发疯be mad/crazy about:为而疯狂be mad at sbeg:Don't be mad at him。别怪他(不关他的事。go+adj:变得go mad/crazy/insane/bananasDon't fight with him,

2、 he is a mad man.别跟他打架, 他是疯子。Aeroplanes are slowly driving me mad.drive sb mad:逼某人发疯例:Sometimes it's enough to drive you mad if you are stuck in a traffic jam during the rush hour.有时在交通高峰期被困足以使人发疯The noise outside is driving me mad.I live near an airport and passing planes canbe heard night and

3、day.1、passing planes:现在分词做定语sleeping baby:正在睡觉的小孩waiting car:正在等待的2、day and night: 日日夜夜例句:I will sit by her bedside day and night.我会日夜守在她的床边。The airport was built years ago,but for some reason it could not be used then.for some reason:由于某种原因some+可数名词单数:某一some book some+可数名词复数:一些some books some+不可数名词

4、:一些some water例句:He was late for school for some reason.由于某种原因,他上学迟到了!reason ri:znn.原因for this reason:由于这个原因For what reason?是为了什麽原因?bring sb. to reason使某人讲理Last year,however,it came into use。come into use:投入使用come into:进入得到、获得财富1、They put this method into use。2、This method comes into use。3、This metho

5、d is put into use。Over a hundred people must have been driven away from their homes by the noise. home:家,强调有感情;house 仅仅指房子be driven away: be done被驱赶must have been:must have done对过去表示肯定推测Do 126Sometimes I think this house will be knocked down by a passing plane。Knock 不及物动词vi.1.相撞,碰击(+againstHis legs

6、knocked against the chair.他的两条腿撞到了椅子。2.敲,击,打(+on/atHe knocked at the door and entered.他敲了敲门便走进去了。knock down; knock over knock off(page123习惯用语今天我们要讲由knock这个词发展而成的习惯用语。我们先要谈的习惯法是: knockout。Knockout最常用的意思是把一个人打倒在地、不省人事,但是knockout在俚语中却可以解释叫人心醉神迷的人或物,可能是一幅美不胜收的画,也可能是一部扣人心弦的电影,更可能是俊男美女。例:1. He married a r

7、eal knockout, one of the most beautiful women I have ever seen!他娶了个大美人。我还没见过有比她更漂亮的女人!我们再来学一个习惯用语: knock your socks off 。Sock是袜子。这个习惯用语的出典可能是什么特别精彩的事情让你兴奋得上蹦下跳,以至脚上袜子也跳得掉了下来,引申为“令人兴奋不已的好事”。例:2. I tell you that movie I saw last night is fantastic, the best I've seen in years. Go to see it -I guar

8、antee it'll knock your socks off!告诉你我昨晚看的那电影棒极了。我有好几年没看过这样精彩的片子。你得去看,保证会让你激动万分。I have been offere d a large sum of money to go away,but I am determined to stay here. offer及物动词vt.1.给予,提供;拿出,出示O1(+toHe offered me a glass of wine.他端给我一杯酒。2.愿意;试图(做某事;提议Y+to-vThey offered to help me.他们表示愿意帮助我。3.出(价;开

9、(价O1We offered him the calculator for $50. 这计算器我们向他开价五十美元。sum n.量大量:a great many/a great number of+可数名词复数a sum of:一笔a large sum of:大量的,喜欢跟钱连用a large sum of moneya large amount of:许多plenty of(注意:前面没有a足够的sum名词n. C1.总数,总和,总计the S(+ofShe paid the sum of $200 for dresses.她买衣服总共花了二百元钱。2.金额;一笔(+ofHe earned

10、 a large sum of money.他赚了一大笔钱。3.算术题;运算The boy is good at doing a sum in his head. 这男孩善于心算。determined adj.坚定的,下决心的be determined to do sth. 决心做某事I am determined to stay here.我决定留在这儿。v.determine on 决定v.determine upon 决定determine sb. against sth. 使某人决定不做某事determine sb. to do sth. 使某人决定做某事decide和determin

11、e 之间的区别:都有“决定”的意思。decide 指“经过询问、研讨和考虑之后, 在几种可能的选择之中作出决定”,decide 最为普通:如:She decided to leave here on Sunday instead of Monday.她决定星期日而不是星期一离开这里。determine指“决心作某一件事而不动摇”, 常涉及范围比较狭小的问题:如:We have determined to get the work done ahead of schedule.我们已经决定要提前完成这项工作。decided常与to, that, on, about用,表示决心;决定;to dec

12、ide where to go决心去哪儿而与between, for, angainst, in favor of, that连用,表示判断,判决The judge will decide the case tomorrow.法官将于明天对案子进行判决。madsum reason determined aerolane come into mædsm'ri:zn di't:mindgrammar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Many people speak English.(主动语态 English is spok

13、en by many people.(被动语态Read the following sentences1.It is called a stamp.2.Whats it made of?3.Which language is spoken by the largest number of people in the world.4.English is used very widely as a foreign language,5.Silk is produced in Suzhou.6.Where are bananas grown?二。模仿上列句子连词成句1.Silk, produce,

14、 in Hangzhou.2.Cars, make, in Tianjin.3.tea, grow, in Fujian.4.English, speak, in Australia.5.Glass, produce, in Germany.6.Ships, make , in Japan.被动语态构成助动词+及物动词的过去分词(be +P.P.以see为例,比较主动语和态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 / sees am(is,are+seen一般过去时saw was(were+seen一般将来时will (shall +see will(shall+

15、be+seen(过去将来时would(should+see would(should+be+seen现在进行时am(is,are+seeing am(is,are+being+seen(过去进行时was(were+seeing was(were+being+seen现在完成时have(has+seen have(has+been+seen(过去完成时had+seen had+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. -Ar

16、e cars made in Changchun? (-Yes, they are./No,they arent.Where are cars made?When can we use the passive voice?1.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。My bike was stolen last night.昨晚我的自行车被偷了。Letters are collected at eight every morning.信件每天早晨八点收取。2. 为了强调或突出动作的承受者时。The desk was made by Master Wang.这张课桌是王师傅做的。T

17、he bag was taken away by his sister.那个口袋是她姐姐提走的。3. 为了更好地安排句子。The well-known person got on the bus and was immediately recognized by people. (一个主语就够了那个名人一上车就立刻被大家认出来了。4. 在上下文中,为了使句子间连接紧密时。如:I have a new skirt. It was given to me asa birthday present by my aunt.我有条新裙子。它是我阿姨送给我作为生日礼物的。主动语态改为被动语态的方法将主动语

18、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“be+过去分词”结构。将主动语态的主语改为介词by之后的宾语,放在谓语动词之后(有时可省略。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( byus2. People write business letters in English Business letters are written(by people in English.3.They make telephone calls in English

19、. Telephone calls are made( by them in English.过去时,含情态动词的被动语态1. A man killed Jack. 1.Han Mei found Granny books. 2.They built the bridge. Jack was killed (by a man.Granny books were found by Han Mei.The bridge was built .1.He can answer the question. 1.We must plant trees in spring. 1.Nurse should t

20、ake care of the children. The question can be answered (by him.Trees must be planted in spring.Children should be taken care of .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把间接宾语改为主语,直接宾语保留不变:The boy was given an apple(2把直接宾语改为主语,此时,间接宾语前要加to或for.An apple was given to

21、 the boy.(give, pass, show, send-to (buy, draw, make, -for 含双宾语的被动My father gave me a new book on mybirthday .-A new book was given to me (by myfather-I was given a new book (by myfather.2.不带的to不定式,改为被动语态时不定.式前要加to.They watched the children sing. The children were watched to sing. 3.短语动词是不可分割的整体,改为被

22、动语态时要保持其完整性,介词或副词不可遗漏.We must take good care of the young trees. Young trees must be taken good care of. 4. 带复合宾语的动词改为被动语态时,一般把主动语态的宾语改为主语,宾语补足语在被动语态中作主语补足语.He cut his hair short. His hair was cut short.They told him to help me. He was told to help me. 5. 注意: 不及物动词不能用被动语态happen ,take place, appearbu

23、t不及物动词带上介词或副词构成的短语,相当于及物动词, 后面可带宾语3 某些动词表被动含义如weigh / measure /cost / last / break out / take place/happenThe meeting lasted two hours .4 get / come / go + P.P 表示被动含义用来强调动作结果或表示出乎意料的偶然事件. come / go 常与否定连用They got delayed because of the holiday traffic .The womans complaints went unnoticed.5 在need /

24、want / require / deserve +doing句型中,动名词表示被动.The garden needs watering =The garden needs to be watered .6 有些动词的不定式( blame / let / rent 用主动表被动Nobody was to blame for the accident .7一些介词短语用作定语或表语时表被动The thief was under arrest .Apples are on sale .1 The silence of the library _only by the sound of pages

25、being turned over .A has been brokenB breaksC brokeD was broken2Sarah ,hurry up ,I m afraid you won t have time to _before the party .A get changedB get changeC get changingD get to changeD A3 Rain forests _ and burned at such a speed that they will disappear from the earth in the near future .A cut

26、B are cutC are being cutD had been cut 4 I need one more stamp before my collection _.A has completedB completesC has been completedD is completedC D5 All the preparations for the task _, and we are ready to start .A completedB had been completedC have been completedD complete6 Hundreds of jobs _if the factory closes.A lostB will be lostC are lostD will loseC B7 He told us to keep a secret of the things _.A discussing B to discussC being discussedD having discussed 8 The mayor of Beijing says that all construction work for the Beijing Olympics _by 2006 .A has been complete