新概念第二册第20课.ppt

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1、Lesson20,One man in a Boat,【New words and expressions】,catch kat v.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,fisherman n.钓鱼人,渔民,1)fish

2、鱼(pl.)单复数同形They caught many fish that morning.2)fishes 不同种类的鱼3)v.钓鱼 go fishing I like/enjoy fishing。,(复数.fishermen),waste west vt./n.浪费,1)waste vt.浪费You are wasting time.Dont waste your time and money.2)waste n.浪费 a waste of 对的浪费 It is a waste of time/money/food.wastebasket 废纸篓(美)wastepaper basket废纸

3、篓(英),realize rlz v.意识到,1)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)(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.,Listen and answer,What is the writers favorite sport?Does ever catch anything?

4、Is he really interested in fishing?,Fishing is my favorite sport.I often fish for hourswithout catching anything.But this does not worryme.Some fishermen are unlucky.Instead ofcatching fish,they catch old boots and rubbish.Iam even less lucky.I never catch anything-noteven old boots.After having spe

5、nt 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 not really interested in fishing.I am onlyinterested in sitting in a boat and doing nothing atall!,【课文讲解】,Fishing is my favourite sp

6、ort.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 her aunts favourite.,I often fish for hours without catching anything.,without prep.没有(可放句首,句尾)prep+n./v.-ing/pron.He went out without saying anything.

7、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 little daughter.,Instead of catching fish,they catch old boots and rubbish.,instead of“而不是“(可置于句首句尾)I

8、 go to school instead of staying at home.I like rice instead of noodles.He,instead of I,will go to the bookstore.,instead of+n./pron./v.-ing,After 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

9、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.,You must give up fishing!my friends say.Its a waste of time.,give up 放弃give up fis

10、hing/smoking/fighting,its 与its 的区别,its 是it is 的缩写,its 式形容词物主代词“它的”,Its a cold day.It is raining too.The cat drank its milk.This engine has lost its power.,Im 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

11、is interested in beauties,interesting 令人感兴趣的(一般物做主语),Fishing is not interesting.,excited/excitingsurprised/surprisingdisappointed/disappointing,ing形式 表示令人感到ed形式 表示自己感到,Key to Summary writing,Fishing is the writers favourite sport.Some unlucky fishermen catch old boots and rubbish.The writer is not s

12、o lucky.He never catches anything.He is not really interested in fishing.Sitting in a boat and doing nothing at all is the only thing that interests him.,Tell the story:,1.Fishingfavourite aport2.oftenhoursanything3.someunlucky4.Insteadfishbootsrubbish5.Iless6.neverevenboots7.whole morningsriverhome

13、empty8.give up friendswaste9.dont realizeimportant thing10.onlysittingnothing,Multiple 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,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,或介词的宾语以及定语。),V-ing 形式作主语 往往表示抽象、笼 统的动作或泛指某动作或行为。如:a.)Getting up early is a g

14、ood 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,注:动名词作主语与不定式作主语的区别: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:Its no use crying over spilt milk.(抽象)He realized that to go on like this was

15、 no use.(具体)在实际运用中,一般可以互换,差异不大。但在下列几种情况中不能互换: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,主语也要用不定式,如:Seeing is believing.To see is to believe.,b.动名词和不定式作主语,一般都可以使用形式主语it,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,不宜用不定式来代替:Its no use doing Its no good doing Its a waste of time doing,例如:Its no use going there today;he wont be a

16、t home.Its a waste of time arguing about it.,而在Its important/Its necessary/Its advisable/Its essential/Its fitting 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.,3)V-ing形式作表语(放在系动词之后,泛指某种动作或行为,常用来说明主语的身份、内容或特点。)如:a.)My job is testing all kinds of s

17、oftware.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,注:动名词作表语与不定式作表语的区别:动名词作表语时表示比较抽象的一般行为、习惯;不定式作表语时表示具体的某一次动作,特别是将来的动作,试比较:My favourite sport is swimming.The first thing for us to do is to improve o

18、ur pronunciation.,注:动名词作表语与现在分词作表语的区别: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、状态等,主语与表语不可互换位置,但可用very,quite等副词来修饰,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 invi

19、ting.The volleyball match we watched was very exciting.,2)V-ing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,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:avoid,admit,consider,delay,advise,dislike,enjoy,

20、escape,excuse,mind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动词,其中有:continue,forget,hate,intend,like,love,plan,prefer,propose,regret,remember,start,try,want,need,cant afford等。,B.在need,want,deserve等后,可用动名词的主动式表示被动含义,或

21、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:The door needs oiling/to be oiled.C.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: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)He tried writing with a brush.(用毛笔试着写)I couldnt help finishing it.(不能不结束某事)I cou

22、ldnt helps to finish it.(不能帮助结束某事)They left off fishing.(停止去钓鱼)They left off to fish.(离开某处出发去钓鱼)I regret to say that there is no wine in the bottle.(对现在要发生的事表示遗憾、抱歉)I regret not taking your advice.(后悔),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)t

23、he 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)volleyball?He left home without _(lock)the door.,Listening,finishing,having spent/spending,c

24、oming,reading,asking,playing,locking,9._(teach)English is my job.10.Why does he enjoy_(walk)in rain?11.He apologized for _(not hand)in the homework 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 u

25、p _(wear)hats.15.She is very interested in _(dance).16.On _(enter)the room,he turned on the light.,Teaching,walking,not handing,going,going,wearing,dancing,entering,在必要的地方用适当的介词填空。,I often fish _ hours without catching anything.What are you interested _?-Where are you going?-Im going _ Jimmys home.4

26、.Instead _ going to school,the boy stayed at home.5.Its a waste _ time.,for,of,to,of,of,汉译英:,踢足球是我最喜欢的运动。她不吃午饭而上街去买东西了。(instead of)3.他是什么时候出国的?4.医生要我戒酒。5.我对音乐很感兴趣。,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.,Thank you very much!,

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