新概念第二册第20课.ppt

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1、Lesson20One man in a Boat【New words and expressions】catchkatv.抓到抓到（caught;caught)catchfish,catchathiefcatchthebus 赶车catchonesattention 吸引某人注意力catchfire着火catchacold 染上感冒catchsb.doingsth.抓住某人做某事eg.The little boy was caught stealing apples from the gardenfisherman 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

2、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)waste 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 对对的浪费的浪费 It is a waste of time/money/food.wastebasket 废纸篓（美）wastepaper b

3、asket废纸篓（英）realize 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.His dream was realized at last.Listen and answerlWhat is the writers favorite sport?lDo

4、es ever catch anything?lIs he really interested in fishing?Fishingismyfavoritesport.Ioftenfishforhourswithoutcatchinganything.Butthisdoesnotworryme.Somefishermenareunlucky.Insteadofcatchingfish,theycatcholdbootsandrubbish.Iamevenlesslucky.Inevercatchanything-notevenoldboots.Afterhavingspentwholemorn

5、ingsontheriver,Ialwaysgohomewithanemptybag.Youmustgiveupfishing!myfriendssay.Itsawasteoftime.Buttheydontrealizeoneimportantthing.Imnotreallyinterestedinfishing.Iamonlyinterestedinsittinginaboatanddoingnothingatall!【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

6、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 favourites.She is her aunts favourite.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

7、you.Fish can not live without water.But this does not worry me.worry v.使担心worrysb.使担心 困扰某人 My little daughter worried me a lot.beworriedabout对对感到担心感到担心I was worried about my little daughter.Instead of catching fish,they catch old boots and rubbish.instead of “而不是而不是“（可置于句首（可置于句首句尾）句尾）I go to school

8、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.-ingAfter 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 learn

9、ed a lot of knowledge.After going to school,I learned a lot of knowledge.After the students handed in their papers,the teacher left.spendtime/money/energyonsth.spendtime/money/energy(in)doingsth.You must give up fishing!my friends say.Its a waste of time.give up 放弃give up fishing/smoking/fightingits

10、 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!beinterestedinsth./doingsth.Everyoneisinterestedinbeautiesinteresting

11、令人感兴趣的（一般物做主语）Fishing is not interesting.excited/excitingsurprised/surprisingdisappointed/disappointinging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 so lucky.He never catches anything.He is no

12、t 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 morningsriverhomeempty8.give up friendswaste9.dont realizeimp

13、ortant thing10.onlysittingnothingMultiple 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。）1)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 earlyisagoodhabit.b.)Fish

14、ingisTomsfavoritehobby.c.)Crying over spilt milkisnouse.1)d.)Arguing with himisawasteoftime.Subject注：注：动名词作主语动名词作主语与与不定式作主语不定式作主语的区别：的区别：动动名名词词作作主主语语通通常常表表示示抽抽象象的的或或泛泛指指的的动动作作，一一般般不不与与特特定定的的动动作作执执行行者者联联系系在在一一起起；不不定定式式作作主主语语通通常常表表示示具具体体的的动动作作或或行行为为，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：Itsnousecrying

15、overspiltmilk.(抽象抽象)Herealizedthattogoonlikethiswasnouse.(具体具体)在在实实际际运运用用中中，一一般般可可以以互互换换，差差异异不不大大。但但在下列几种情况中不能互换：在下列几种情况中不能互换：a.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；当当表表语语是是不不定定式式时时，主语也要用不定式，如：主语也要用不定式，如：Seeingisbelieving.Toseeistobelieve.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式主主语语it，而而将将动动名名词词或或不不定定

16、式式放放在在句句尾尾。但但是是在在下下列列句句型型中中，一一般般宜宜用用动动名名词词，不不宜宜用不定式来代替：用不定式来代替：ItsnousedoingItsnogooddoingItsawasteoftimedoing例如：例如：Itsnousegoingtheretoday;hewontbeathome.Itsawasteoftimearguingaboutit.而而在在Itsimportant/Itsnecessary/Itsadvisable/Itsessential/Itsfitting这类句型中，只能用不定式，如：这类句型中，只能用不定式，如：Itsimportanttolearn

17、foreignlanguages.Itsquitenecessarytoreaditmanytimes.3)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.)Myjobis testing all kinds of software.b.)Thepurposeofmyletteris advising you to do more sports.c.)Hisgreatesthappiness is serving the people.d.)Seeingisbe

18、lieving.Predictive注注注注：动名词作表语与不定式作表语的区别：动名词作表语与不定式作表语的区别：动名词作表语与不定式作表语的区别：动名词作表语与不定式作表语的区别：动动动动名名名名词词词词作作作作表表表表语语语语时时时时表表表表示示示示比比比比较较较较抽抽抽抽象象象象的的的的一一一一般般般般行行行行为为为为、习习习习惯惯惯惯；不不不不定定定定式式式式作作作作表表表表语语语语时时时时表表表表示示示示具具具具体体体体的的的的某某某某一一一一次次次次动动动动作作作作，特特特特别别别别是是是是将将将将来来来来的的的的动动动动作作作作，试比较：试比较：试比较：试比较：Myfavouri

19、tesportisswimming.Myfavouritesportisswimming.TheThe firstfirst thingthing forfor usus toto dodo isis toto improveimprove ourourpronunciation.pronunciation.注注注注：动名词作表语动名词作表语动名词作表语动名词作表语与与与与现在分词作表语现在分词作表语现在分词作表语现在分词作表语的区别：的区别：的区别：的区别：动动名名词词作作表表语语时时相相当当于于名名词词，说说明明主主语语的的含含义义及及内内容容，它它与与主主语语是是同同等等关关系系，主主语

20、语与与表表语语互互换换位位置置不不影影响响句句子子的的基基本本含含义义，但但不不可可用副词来修饰。用副词来修饰。现现在在分分词词作作表表语语时时相相当当于于形形容容词词，说说明明主主语语的的特特征征、性性质质、状状态态等等，主主语语与与表表语语不不可可互互换换位位置置，但但可可用用very,quite等等副副词词来来修修饰饰，如：如：Myjobislookingafterthechildren.Ourdutyisservingthepeopleheartandsoul.Thesituationisencouraging.Thiscakeisveryinviting.Thevolleyballm

21、atchwewatchedwasveryexciting.2)V-ing形式作宾语形式作宾语a.)Shesattherewithoutspeaking.b.)Davidisinterestedindriving.c.)Doyoumind turning on the TV?d.)Bettyenjoyslistening to pop music.Object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：avoid,admit,consider,delay,advise,dislike,enjoy,esca

22、pe,excuse,mind等，如：等，如：Maryisconsideringchangingherjob.Ienjoyworkingwithyou.Wouldyoumindringingmeuptomorrow?另另一一类类是是既既可可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,intend,like,love,plan,prefer,propose,regret,remember,start,try,want,need,cantafford等。等。B.B.在在need,want,deserve等等后后，

23、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，或或用用不不定定式式的的被被动动式式，意意义义上上无无差差别别。但但用用动动名名词词较较为为普普遍遍，（这时主语一般是物），如：（这时主语一般是物），如：Thedoorneedsoiling/tobeoiled.C.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不同同，须须认认真真加加以以区别：区别：IforgottoclosethedoorbeforeIlefttheroom.Iforgothavingclosedthedoor.Hetriedtowritebetter.(尽量努力地写尽量努力地写

24、)Hetriedwritingwithabrush.(用毛笔试着写用毛笔试着写)Icouldnthelpfinishingit.(不能不结束某事不能不结束某事)Icouldnthelpstofinishit.(不能帮助结束某事不能帮助结束某事)Theyleftofffishing.(停止去钓鱼停止去钓鱼)Theyleftofftofish.(离开某处出发去钓鱼离开某处出发去钓鱼)Iregrettosaythatthereisnowineinthebottle.(对对现现在在要要发发生生的的事表示遗憾、抱歉事表示遗憾、抱歉)Iregretnottakingyouradvice.(后悔后悔)练习题

25、：练习题：用括号内动词的适当形式填空：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 to write by _(read).6.Dont be afraid of _(ask)questions.7.Are you in

26、terested in _(play)volleyball?8.He left home without _(lock)the door.Listeningfinishinghaving spent/spendingcomingreadingaskingplayinglocking9._(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 la

27、y 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 handinggoinggoingwearingdancingentering在必要的地方用适当的介词填空。1.I often fish _ hours wi

28、thout 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.foroftoofof汉译英：1.踢足球是我最喜欢的运动。2.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!