新概念英语第二册lesson-20-ppt课件.ppt

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1、First,Lets watch the video1.Have you ever dreamed of catching a mermaid or fish?2.Do you like fishing?3.Who likes fishing in your family?4.What does this sign mean?think and answerLesson 20 One man in a boat 独坐孤舟New words and expressionscatchfisherman bootwaste realize v.抓到抓到n.钓鱼人，渔民钓鱼人，渔民n.靴子靴子n.浪费

2、浪费v.意识到意识到catch vt.抓到，抓到，逮住逮住The police have caught the thief.catch的一些固定用法的一些固定用法catch a cold 染上感冒染上感冒catch ones breath 屏息屏息catch sight of=see 看见看见catch fire 着火着火catch ones eye 吸引某人注意力吸引某人注意力catch the bus：赶车赶车miss the bus 错过车错过车 fisherman n.渔民渔民fishery 渔业，渔场，水产业渔业，渔场，水产业 boot n.靴子靴子sandal 凉鞋凉鞋a pair

3、 of bootsrubber boots 橡胶靴橡胶靴 tennis shoes 网球鞋网球鞋=gym shoes=sneakersleather shoes 皮鞋皮鞋 realize vt.意识到意识到;实现实现real adj.真的真的 realize vt.意识到意识到reality n.现实现实1）认识到）认识到realize(=be aware of)ones mistakeHe realized that he was lying.2)vt.实现实现 realize ones/dream/plan He realized his dream at last.=His dream

4、came true at last waste vt./n.浪费浪费1)waste vt.浪费浪费 You are wasting time.Dont waste your time,money and energy.waste time in doing 浪费时间做某事浪费时间做某事2)waste n.浪费浪费a waste of 对对的浪费的浪费It is a waste of time/money/feeling/food.waste away （人，体力）（人，体力）衰弱衰弱 1.What is the writers favourite sport?2.What do some un

5、lucky fishermen catch?3.Is the writer as lucky as they are,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?Listen to the tape,then answer the questions.【课文讲解课文讲解】Fishing is my favourite sport.1.动词动词ing(动名词动名词)：1.做主语

6、；做主语；2.做宾语做宾语2.favourite adj.最喜欢的最喜欢的 无比较级，最高级无比较级，最高级 Red and Black is my favourite book.I 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 doe

7、s not worry me.be worried about 对对感到担心感到担心I was worried about my little daughter.be anxious about=very worried 焦虑的焦虑的His parents are anxious about his study Instead of catching fish,they catch old boots and rubbish.instead(adv)反而反而He didnt help me,he hurt me insteadinstead of 代替；不是代替；不是.而是而是 （可置于句首或

8、句尾）（可置于句首或句尾）I go to school instead of staying at home.I bought books instead of buying dresses.rubbish n.垃圾垃圾 garbage(Am)garbage can 垃圾桶垃圾桶(Am.)dustbin (Br.)garbage collector 垃圾收集清洁员垃圾收集清洁员 dustman(Br.)I am even less lucky.1.even 甚至甚至(修饰比较级修饰比较级)less lucky less+原级原级(消极比较级消极比较级)2.A is less.than B A比

9、比B更不更不.This story is less interesting than that one.=not so/as.as 不及，不如不及，不如 This story is not so interesting as that one.After having spent whole mornings on the river,I always go home with an empty bag.从句主语从句主语=主句的主语才能换成主句的主语才能换成after+名词名词动词的动词的ing形式形式 After I go to school,I learned a lot of knowl

10、edge.After going to school,I learned a lot of knowledge.spend time/money/energy on sth.spend time/money/energy(in)doing sth.Im not really interested in fishing.I am only interested in sitting in a boat and doing nothing at allbe interested in sth./doing sth.Everyone is interested in beautyinterestin

11、g 令人感兴趣的（一般物做主语）令人感兴趣的（一般物做主语）Fishing is not interesting.ing形式形式 表示令人感到表示令人感到 ed形式形式 表示自己感到表示自己感到not at all在否定句中起强调作用在否定句中起强调作用,根本不根本不There is nothing to eat at all.I dont like that rude fellow at all.You must give up fishing!my friends say.Its a waste of time.give up give up fishing/smoking/fightin

12、g its 与与its 的区别的区别its 式主系表结构，式主系表结构，its 式形容词物主代词式形容词物主代词Its a cold day.The cat drank its milk.Tell the story:1.Fishingfavourite aport2.oftenhoursanything 3.someunlucky4.Insteadfishbootsrubbish5.Iless6.neverevenboots7.whole morningsriverhomeempty8.give up friendswaste9.dont realizeimportant thing10.o

13、nlysittingnothing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；）动名词是动词的一种非谓语形式；2)它在句中充当名词的作用它在句中充当名词的作用 1)V-ing 作主语作主语 往往表示抽象、笼统的动作或泛指某动作或往往表示抽象、笼统的动作或泛指某动作或行为。行为。如如 a.)Getting up early is a good habit.b.)Fishing is Toms favorite hobby.在在实实际际运运用用中中，动动名名词词和和不不定定式式一一般般可可以以互互换换，差异不大。差异不大。但在下列几种情况中不能互换：但在下列几种情况中不能互换：a

14、.当当表表语语是是动动名名词词时时，主主语语也也要要用用动动名名词词；当表语是不定式时，主语也要用不定式，如：当表语是不定式时，主语也要用不定式，如：Seeing is believing.To see is to believe.b.动动名名词词和和不不定定式式作作主主语语，一一般般都都可可以以使使用用形形式主语式主语it，而将动名词或不定式放在句尾。，而将动名词或不定式放在句尾。Its no use doing Its a waste of time doing 例如：例如：Its no use going there today Its a waste of time arguing a

15、bout it.而在而在Its important /Its necessary 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.2)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,泛指某种动作或行为泛指某种动作或行为,常用来常用来说明主语的身份、内容或特点。说明主语的身份、内容或特点。)如：如：a.)My job is testing all kinds of software.b.)His great

16、est happiness is serving the people.3)V-ing形式作宾语形式作宾语a.)She sat there without speaking.b.)Do you mind turning on the TV?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：1.一一类类是是只只能能用用动动名名词词作作宾宾语语的的动动词词，其其中中有有：dislike,enjoy,excuse,mind等，如：等，如：I enjoy working with you.Would you mind ringing me up tomorrow?2.另另一一类类是是既既可可

17、以以用用动动名名词词，又又可可以以用用不不定定式式作作宾宾语语的的动动词词，其其中中有有：continue,forget,hate,like,love,prefer regret,remember,start,try,want,need,等。等。B.在在need,want,deserve等等后后，可可用用动动名名词词的的主主动动式式表表示示被被动动含含义义，（这这时时主主语语一一般般是是物物），如：如：The flowers need watering The flowers need to be watered C.有有的的动动词词尽尽管管可可以以用用两两种种结结构构，但但意意义义明明显显不

18、同不同 I forgot to close the door before I left the room.I forgot having closed the door.1._(listen)to pop music is something he enjoys.2.The workers left after _(finish)the work.3.After _(spend)the money,he wrote to his father.4.You should apologize to your teacher for _(come)late.5.We can learn how t

19、o write by _(read).6.Dont be afraid of _(ask)questions.7.Are you interested in _(play)volleyball?8.He left home without _ (lock)the door.finishingplayingaskingreadingcomingspendingListeninglocking9._(teach)English is my job.10.Why does he enjoy_(walk)in rain?11.He apologized for _(not hand)in the ho

20、mework on time.12.Instead of _(go)to see a doctor,he lay in bed and had a sleep.13.I stayed in bed all day instead of _(go)to work.14.A lot of men have given up _(wear)hats.15.She is very interested in _(dance).16.On _(enter)the room,he turned on the light.Teachingwalkingnot handinggoinggoingwearing

21、dancingentering在必要的地方用适当的介词填空。在必要的地方用适当的介词填空。1.I often fish _ hours without catching anything.2.What are you interested _?3.-Where are you going?-Im going _ Jimmys home.4.Instead _ going to school,the boy stayed at home.5.Its a waste _ time.forintoofof汉译英：1.踢足球是我最喜踢足球是我最喜欢欢的运的运动动。2.她不吃午她不吃午饭饭而上街去而上街

22、去买东买东西了。西了。(instead of)3.他是什么他是什么时时候出国的？候出国的？4.医生要我戒酒。医生要我戒酒。5.我我对对音音乐乐很感很感兴兴趣。趣。Playing football is my favorite sport.Instead of having lunch,she went shopping.When did he go abroad?The doctor asked me to give up smoking.Im interested in music.Do the exercises1.(b)2.(c)3.(b)4.(b)5.(c)6.(b)7.(c)8.(a)9.(c)10.(c)11.(d)12.(a)Thank you very much!