新概念第二册第20课

1、精选课件1Lesson20One man in a Boat精选课件2【New words and expressions】catch kat v. 抓到抓到 （caught;caught) catch fish, catch a thief catch the bus 赶车 catch ones attention 吸引某人注意力 catch fire 着火 catch a cold 染上感冒 catch sb. doing sth.抓住某人做某事eg. The little boy was caught stealing apples from the garden精选课件3fisherm

2、an n. fisherman n. 钓鱼人，渔民钓鱼人，渔民 1) fish 鱼鱼 （pl.) 单复数同形单复数同形They caught many fish that morning.2) fishes 不同种类的鱼不同种类的鱼3）v. 钓鱼钓鱼 go fishing I like/enjoy fishing。 (复数复数.fishermen)精选课件4waste west vt./n. 浪费浪费1) waste vt.浪费浪费You are wasting time.Dont waste your time and money.2)waste n. 浪费浪费 a waste of 对对的

3、浪费的浪费 It is a waste of time/money/food.wastebasket 废纸篓 （美）wastepaper basket废纸篓 （英）精选课件5realize rlz v. 意识到意识到1）认识到，意识到）认识到，意识到 （无被动语态，不用进行时态，人做主语。） realize ones mistake He realized that he made a mistake.2) 实现（计划等）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. Hi

4、s dream was realized at last.精选课件6Listen and answerlWhat is the writers favorite sport?lDoes ever catch anything?lIs he really interested in fishing?精选课件7Fishing is my favorite sport. I often fish for hourswithout catching anything. But this does not worryme. Some fishermen are unlucky. Instead ofca

5、tching fish, they catch old boots and rubbish. Iam even less lucky. I never catch anything- noteven old boots. After having spent whole morningson the river, I always go home with an empty bag.You must give up fishing! my friends say. Its awaste of time. But they dont realize one importantthing. Im

6、not really interested in fishing. I am onlyinterested in sitting in a boat and doing nothing atall!精选课件8【课文讲解】【课文讲解】Fishing is my favourite sport. 动词ing(动名词)：1.做主语；2.做宾语 favourite adj. “最喜欢的最喜欢的” 无比较级，最高级 Red and Black is my favourite book. n. 心爱的人心爱的人(物物) ，最喜爱的东西，最喜爱的东西That song is one of his favou

7、rites.She is her aunts favourite.精选课件9I often fish for hours without catching anything.without prep. 没有没有 （可放句首，句尾）（可放句首，句尾）prep + n. / v.-ing/ pron. He went out without saying 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

8、困扰某人 My little daughter worried me a lot.be worried about 对对感到担心感到担心I was worried about my little daughter.精选课件10Instead of catching fish, they catch old boots and rubbish. instead of “而不是而不是 “（可置于句首（可置于句首句尾）句尾）I go to school instead of staying at home.I like rice instead of noodles.He , instead of

9、I, will go to the bookstore.instead of +n./ pron. / v.-ing精选课件11After having spent whole mornings on the river, I always go home with an empty bag. after(conj.)+从句，从句主语和主句的主语需一致 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

10、 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.精选课件12You must give up fishing! my friends say. Its a waste of time. give up 放弃give up fishing/smoking/fightingits 与its 的区别its 是it is 的缩写，its 式形容词物主代

11、词 “它的”Its a cold day.It is raining too.The cat drank its milk.This engine has lost its power.精选课件13Im not really interested in fishing. I am only interested in sitting 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） Fis

12、hing is not interesting.excited/excitingsurprised/surprisingdisappointed/disappointinging形式 表示令人感到ed形式 表示自己感到精选课件14Key to Summary writing Fishing is the writers favourite sport. Some unlucky fishermen catch old boots and rubbish. The writer is not so lucky. He never catches anything. He is not reall

13、y interested in fishing. Sitting in a boat and doing nothing at all is the only thing that interests him.精选课件15Tell the story:1. Fishingfavourite aport2. oftenhoursanything3. someunlucky4. Insteadfishbootsrubbish5. Iless6. neverevenboots7. whole morningsriverhomeempty8. give up friendswaste9. dont r

14、ealizeimportant thing10. onlysittingnothing精选课件16Multiple choice questions 1- b 2- b 3-b 4- b 5- c 6- b 7- c 8- a 9- c 10- c 11- d 12- a精选课件17关键句型关键句型动名词动名词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，或介词的宾语以及定语。）精选课件18 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

15、：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精选课件19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

16、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： Seeing is believing. To see is to believe.精选课件20b. 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

17、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 waste of time arguing about it. 而在而在Its important / Its necessary / Its advisable /

18、 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.精选课件213) 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 purpo

19、se of my letter is advising you to do more sports.c.) His greatest happiness is serving the people.d.) Seeing is believing.Predictive精选课件22精选课件23 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

20、、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 cake is very inviting. The volleyball match we watched was very exciting. 精选课件24 2) V

21、-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精选课件25 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, e

22、scape, 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, hate, intend, like, love, plan, prefer, propose, regret, remember, start, try, want, need,

23、cant afford等。等。 精选课件26 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 lef

24、t 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 helps to finish it. (不能帮助结束某事不能帮助结束某事) They left off fishing. (停止去钓鱼停止去钓鱼) They left off to fish. (离开某处出发去钓鱼离开某处

25、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) 精选课件27练习题：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 fat

26、her. 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) volleyball? He left home without _(lock) the door.Listeningfinishinghaving spent/spendingcomingreadingaskingplayinglocking精选课件289._ (teach) English is my job.10.Why does he enjoy_ (walk) in rain