新概念英语2册20课

1、整理ppt1Lesson20One man in a Boat整理ppt2review words&text summary writing整理ppt3catch (caught,caught)抓到fisherman 钓鱼人，渔民boot 靴子waste 浪费realize 意识到整理ppt4 catch fisherman boot waste realize整理ppt5 抓到 钓鱼人，渔民 靴子 浪费 意识到整理ppt6【New words and expressions】 生词和短语catch v. 抓到 （caught;caught)近义词：grab， seize， hold

2、， take hold ofcatch fish,catch a thiefcatch the bus：赶车-miss the bus 错过车catch ones attention 吸引某人注意力catch/draw/attract ones breath：摒住呼吸catch/ draw/attract ones eyes：吸引某人注意力catch fire：着火(动作)-be on fire(状态）catch a cold：染上感冒-have a coldcatch sb. doing sth.抓住某人做某事eg. The little boy was caught stealing ap

3、ples from the garden整理ppt7 The early bird catches the worm. 捷足先登。catch sight of(see)：看见=see catch it 被责骂，受处罚(口)(通常与will 等连用) If I come home late, Ill catch it from my mother.catch up with :赶上，跟上 Go ahead please.Ill soon catch up with you. catch on(意见，时尚) 受欢迎的。 catch phrase 标语，引人注意的句子整理ppt8fisherman

4、n. 钓鱼人，渔民fish fisherman (pl.fishermen) 注不要忘了er哦1)fish 鱼 （pl.) 单复数同形They caught many fish that morning.2)fishes 不同种类的鱼 He studies the fishes in the Indian Ocean A big fish in a small pond 山中无老虎，猴子称霸王 When the cat is away,the mice will play. teach fish to swim drink like a fish 牛饮 like a fish out of w

5、ater 如鱼离水 an odd fish 奇怪的家伙整理ppt9fries fish fresh fish salted fishfish-and-chips (大众快餐） （Br.)Some people eat fish on Friday.(天主教的习惯）fish v. 钓鱼 I like/enjoy/am fond of/am keen on fishinggo fishing/swimming/shopping fishing in troubled water 浑水摸鱼fish for compliments 沽名钓誉整理ppt10boot n. 靴子a pair of boot

6、shave ones heart in ones boots 极为悲观消沉have ones heart in ones mouth 极为恐惧boots 长筒靴 rubber boots 橡胶长靴running shoes 跑鞋 tennis shoes 网球鞋platform shoes 厚跟鞋 moccasin 软皮平底鞋leather shoes 皮鞋sandles 凉鞋 slipper 拖鞋 loafer 平底便鞋sneakers 轻便运动鞋 (Am.)整理ppt11waste vt./n. 浪费1) waste vt.浪费You are wasting time.Dont waste

7、 your time,money and energy.2)waste n. 浪费 a waste of 对的浪费 It is a waste of time/money/feeling/food. Waste not, want not 不浪费，就不缺乏。（尤指食物或钱）go to waste 变成废物waste away (人，体力） 衰弱wastebasket 字纸篓 （美）wastepaper basket 字纸篓 （英）整理ppt12realize v. 意识到real adj.真的 realize v.意识到reality n.现实1）认识到，意识到 （不用于被动语态，不用于进行时

8、态，人做主语。）realize(=be aware of) ones mistakehe realized that he was lying.2) vt.实现（计划等） （可用于主动，也可用于被动）realize ones hope/dream/plan He realized his dream at last. His dream was realized at last.Her worst fears were realizedcome true 成为现实 （物作主语，无被动语态）整理ppt13Listening comprehension整理ppt14【课文讲解】Fishing is

9、 my favourite sport.动词ing(动名词)：1.做主语；2.做宾语favourite adj. 最喜欢的 无比较级，最高级 Red and Black is my favourite book. n. 心爱的人(物) ，最喜爱的东西That song is one of his favourites.She is a favourite with her aunt.She is her aunts favourite整理ppt15I often fish for hours without catching anything.without prep. 没有 （可放句首，句尾

10、）prep + n./v.-ing/pron. He went out without saying anything. He went out and he didnt say anything. I can not live without you. Fish can not live without water.But this does not worry me. worry v. 使担心worry sb.使担心 困扰某人 My little daughter worried me a lot.be worried about 对感到担心 I was worried about my

11、little daughter.整理ppt16Instead of catching fish, they catch old boots and rubbish. instead of 不做而做 （可置于句首或句尾）instead of 后面的词一定是没有做的，可以放在主句后面without强调没有做某件事，instead of强调这件事没做成而做成了另外一件事我原准备做但是后来做了I go to school instead of staying at home.I bought books instead of buying dresses.instead of +n./ pron./v

12、.-ing整理ppt17rubbish n. 垃圾a pile of rubbish a heap of rubbisheg. Dont talk rubbish.别说废话了。garbage 1) （厨房里的）菜屑碎肉，残羹剩肴，垃圾 (Am.) 2) （口）不足取的东西，愚蠢的想法garbage can 垃圾桶 (Am.) dustbin (Br.)garbage collector 垃圾收集清洁员 dustman (Br.)garbage truck 垃圾车 dustcart (Br.)整理ppt18 I am even less lucky.even 甚至more/less lucky

13、less+原级 (消极比较级) : A is less . than B A比B更不. I am less happy than before. This story is less interesting than that one.not so/as .as 不及，不如 I am not so happy as before. This story is not so interesting as that one.整理ppt19After having spent whole mornings on the river, I always go home with an empty ba

14、g. after(conj.)+从句，从句主语必须是主句的主语才能换成下面一种形式 after(prep.)+名词动词的ing形式 After I go to school,I learned a lot of knowledge. After going to school,I learned a lot of knowledge. After the students handed in their papers, the teacher left. spend time/money/energy on sth.spend time/money/energy (in) doing sth.

15、整理ppt20You must give up fishing! my friends say. Its a waste of time. give upgive up fishing/smoking/fightingits 与its 的区别its 式主系表结构，its 式形容词物主代词Its a cold day.It is raining too.The cat drank its milk.This engine has lost its power.整理ppt21Im not really interested in fishing. I am only interested in s

16、itting in a boat and doing nothing at all!be interested in sth./ doing sth.Everyone is interested in beautiesinteresting 令人感兴趣的（一般物做主语） Fishing is not interesting.excited/excitingsurprised/surprisingdisappointed/diappointinging形式 表示令人感到ed形式 表示自己感到sit in a boat 坐在船上be in the same boat 同舟共济整理ppt22burn

17、 ones boat behind oneself 破釜沉舟rock the boats （因意见不同） 搅局 捣乱miss the boat 坐失良机not at all在否定句中起强调作用 根本不There is nothing to eat at all.I dont like that rude fellow at all.整理ppt23Summary writing 1. What is the writers favourite sport?2. What do some unlucky fisherman catch?3. Is the writer as lucky as th

18、ey, or is he not so lucky?4. Does he ever catch anything?5. Is he really interested in fishing?6. What is the only thing that interests him?整理ppt24First listen and then recite the passage听录音，然后背诵课文 钓鱼是我特别喜爱的一项运动。我经常一钓数钓鱼是我特别喜爱的一项运动。我经常一钓数小时却一无所获，但我从不为此烦恼。有些垂钓小时却一无所获，但我从不为此烦恼。有些垂钓者就是不走运，他们往往鱼钓不到，却钓上来

19、些者就是不走运，他们往往鱼钓不到，却钓上来些旧靴子和垃圾。我的运气甚至还不及他们。我什旧靴子和垃圾。我的运气甚至还不及他们。我什么东西也未钓到过么东西也未钓到过 就连旧靴子也没有。我总就连旧靴子也没有。我总是在河上呆上整整一上午，然后空着袋子回家。是在河上呆上整整一上午，然后空着袋子回家。“你可别再钓鱼了！你可别再钓鱼了！”我的朋友们说，我的朋友们说，“这是浪费这是浪费时间。时间。”然而他们没有认识到重要的一点，我并然而他们没有认识到重要的一点，我并不是真的对钓鱼有兴趣，我感兴趣的只是独坐孤不是真的对钓鱼有兴趣，我感兴趣的只是独坐孤舟，无所事事！舟，无所事事！整理ppt25Tell the s

20、tory:1. Fishingfavourite aport2. oftenhoursanything3. someunlucky4. Insteadfishbootsrubbish5. Iless6. neverevenboots7. whole morningsriverhomeempty8. give up friendswaste9. dont realizeimportant thing10. onlysittingnothing整理ppt26关键句型动名词1）动名词是动词的一种非谓语形式；2）v.+ing形式;3) 它在句中其名词的作用，可单独或引起短语作主语，表语，动词宾语，或介

21、词的宾语以及定语。）整理ppt27 V-ing 形式作主语形式作主语 往往表示抽象、笼往往表示抽象、笼 统的动作或泛指某动作或行为。统的动作或泛指某动作或行为。如：如： a.) Getting up early is a good habit. b.) Fishing is Toms favorite hobby. c.) Crying over spilt milk is no use. d.)Arguing with him is a waste of time.Subject整理ppt28注：注：与与的区别：的区别： 动名词作主语通常表示抽象的或泛指的动作，一般不与特定的动名词作主语通常

22、表示抽象的或泛指的动作，一般不与特定的动作执行者联系在一起；不定式作主语通常表示具体的动作或行为，动作执行者联系在一起；不定式作主语通常表示具体的动作或行为，往往与特定的动作执行者联系在一起，如：往往与特定的动作执行者联系在一起，如： Its no use crying over spilt milk. (抽象抽象) He realized that to go on like this was no use. (具体具体) a. 当表语是动名词时，主语也要用动名词；当表语是不定式时，当表语是动名词时，主语也要用动名词；当表语是不定式时，主语也要用不定式，如：主语也要用不定式，如： Seein

23、g is believing. To see is to believe.整理ppt29b. 动名词和不定式作主语，一般都可以使用形式主语动名词和不定式作主语，一般都可以使用形式主语，而将动名，而将动名词或不定式放在句尾。但是在下列句型中，一般宜用动名词，不宜词或不定式放在句尾。但是在下列句型中，一般宜用动名词，不宜用不定式来代替：用不定式来代替： Its no use doing Its no good doing Its a waste of time doing 例如：例如： Its no use going there today; he wont be at home. Its a

24、waste of time arguing about it. 而在而在Its important / Its necessary / Its advisable / Its essential / Its fitting 这类句型中，只能用不定式，如：这类句型中，只能用不定式，如： Its important to learn foreign languages. Its quite necessary to read it many times.整理ppt303) V-ing形式作表语形式作表语 (放在系动词之后放在系动词之后,泛指泛指某种动作或行为某种动作或行为,常用来说明主语的身份、内

25、常用来说明主语的身份、内容或特点。容或特点。)如：如：a.) My job is testing all kinds of software.b.) The purpose of my letter is advising you to do more sports.c.) His greatest happiness is serving the people.d.) Seeing is believing.Predictive整理ppt31整理ppt32 动名词作表语时相当于名词，说明主语的含义及内容，它与主语动名词作表语时相当于名词，说明主语的含义及内容，它与主语是同等关系，主语与表语互

26、换位置不影响句子的基本含义，但不可是同等关系，主语与表语互换位置不影响句子的基本含义，但不可用副词来修饰。用副词来修饰。 现在分词作表语时相当于形容词，说明主语的特征、性质、状态现在分词作表语时相当于形容词，说明主语的特征、性质、状态等，主语与表语不可互换位置，但可用等，主语与表语不可互换位置，但可用very, quite等副词来修饰，等副词来修饰，如：如： My job is looking after the children. Our duty is serving the people heart and soul. The situation is encouraging. This

27、 cake is very inviting. The volleyball match we watched was very exciting. 整理ppt33 2) V-ing形式作宾语形式作宾语 a.) She sat there without speaking. b.) David is interested in driving.c.) Do you mind turning on the TV? d.)Betty enjoys listening to pop music.Object整理ppt34 能用动名词作宾语的动词有两类：能用动名词作宾语的动词有两类： 一类是只能用动名

28、词作宾语的动词，其中有：一类是只能用动名词作宾语的动词，其中有：avoid, admit, consider, delay, advise, dislike, enjoy, escape, excuse, mind等，如：等，如： Mary is considering changing her job. I enjoy working with you. Would you mind ringing me up tomorrow? 另一类是既可以用动名词，又可以用不定式作宾语的另一类是既可以用动名词，又可以用不定式作宾语的动词，其中有：动词，其中有：continue, forget, hat

29、e, intend, like, love, plan, prefer, propose, regret, remember, start, try, want, need, cant afford等。等。 整理ppt35 在在need, want, deserve等后，可用动名词的主动式表示被动含等后，可用动名词的主动式表示被动含义，或用不定式的被动式，意义上无差别。但用动名词较为普遍，义，或用不定式的被动式，意义上无差别。但用动名词较为普遍，（这时主语一般是物），如：（这时主语一般是物），如： The door needs oiling / to be oiled. 有的动词尽管可以用两种

30、结构，但意义明显不同，须认真加以有的动词尽管可以用两种结构，但意义明显不同，须认真加以区别：区别： I forgot to close the door before I left the room. I forgot having closed the door. He tried to write better. (尽量努力地写尽量努力地写) He tried writing with a brush. (用毛笔试着写用毛笔试着写) I couldnt help finishing it. (不能不结束某事不能不结束某事) I couldnt help to finish it. (不能帮

31、助结束某事不能帮助结束某事) They left off fishing. (停止钓鱼停止钓鱼) They left off to fish. (离开某处出发去钓鱼离开某处出发去钓鱼) I regret to say that there is no wine in the bottle. (对现在要发生的对现在要发生的事表示遗憾、抱歉事表示遗憾、抱歉) I regret not taking your advice. (后悔后悔) 整理ppt36练习题：用括号内动词的适当形式填空： _ (listen) to pop music is something he enjoys. The workers left after _ (finish) the work. After _ (spend) the money, he wrote to his father. You should apologize to your teacher for _ (come) late. We can learn how to write by _ (read). Dont be afraid of _ (ask) questions. Are you interested in _ (play) volleybal