新概念第二册lesson20课件

Whatdoesthispictureremindyouof?Lead-inNewConceptEnglishⅡLesson20Onemaninaboat独坐孤舟content一二三四单词学习课文听译要点详解语法项目words•catch•fisherman•boot•waste•realize•v.抓到•n.钓鱼人，渔民•n.靴子•n.浪费•v.意识到【Newwordsandexpressions】生词和短语★catchv.抓到（caught;caught)近义词：grab，seize，hold，takeholdof词组：•catchthebus-----missthebus•catch/draw/attractone’sattention•吸引某人注意力=catch/draw/attractone'seyes：•catchfire(动作)---beonfire(状态）•catchacold--haveacoldcatchsb.doingsth.抓住某人做某事•eg.Thelittleboywascaughtstealing_applesfromthegarden.Theearlybirdcatchestheworm.笨鸟先飞，捷足先登。catchsightof：看见=seecatchupwith:赶上，跟上Goaheadplease.I’llsooncatchupwithyou.★fishermann.钓鱼人，渔民fish→fisherman(pl.fishermen)[注]不要忘了er1)fish鱼（pl.)单复数同形Theycaughtmanyfishthatmorning.2)fishes不同种类的鱼3）fishv.钓鱼likeenjoyamfondofamkeenonIfishing★wastevt./n.浪费1)wastevt.浪费你在浪费时间！2)wasten.浪费awasteof对…的浪费Itisawasteoftime/money……(doingsth./forsb.todosth.)和女人约会简直是在浪费青春！★realizev.意识到realadj.真的→realizev.意识到→realityn.现实1）认识到，意识到（不用于被动语态，不用于进行时态，人做主语。）realize(=beawareof)one'smistakeHerealizedthatthebeautifulgirlwaslying.2)vt.实现（计划等）（可用于主动，也可用于被动）realizeone'shope/dream/plan张无忌终于实现了他的梦想。Zhangwujirealizedhisdreamatlast.→Hisdreamwasrealizedatlast.cometrue成为现实（物作主语，无被动语态）★realizev.意识到Listenandthenanswerthequestion.听录音，然后回答以下问题。1.Whatisthewriter’sfavouritesport?2.Whatdosomeunluckyfishermencatch?3.Doesheevercatchanything?4.Ishereallyinterestedinfishing?5.Whatistheonlythingthatinterestshim?【课文讲解】Fishingismyfavouritesport.动词＋ing(动名词)：1.做主语；2.做宾语favouriteadj.最喜欢的(无比较级，最高级)n.心爱的人(物)，最喜爱的东西Thatsongisoneofhisfavourites.Ioftenfishforhourswithoutcatchinganything.withoutprep.没有（可放句首，句尾）prep+n./v.-ing/pron.Hewentoutwithoutsayinganything.=Hewentoutandhedidn’tsayanything.Icannotlivewithoutyou.鱼离开水不能活。Butthisdoesnotworryme.worryv.使…担心worrysb.使…担心困扰某人Mylittledaughterworriedmealot.beworriedabout对…感到担心Insteadofcatchingfish,theycatcholdbootsandrubbish.insteadof不做…而做…（可置于句首或句尾）insteadof后面的词一定是没有做的，可以放在主句后面我去了学校而不是待在家里。Iwenttoschoolinsteadofstayingathome.是他参军而不是他的哥哥。Hejoinsthearmyinsteadofhisbrother.insteadof+n./pron./v.-ingIamevenlesslucky.even甚至more/lessluckyless+原级(消极比较级):Aisless...thanBA比B更不...Iamlesshappythanbefore.Thisstoryislessinterestingthanthatone.notso/as...as不及，不如Iamnotsohappyasbefore.Thisstoryisnotsointerestingasthatone.Afterhavingspentwholemorningsontheriver,Ialwaysgohomewithanemptybag.主语？AfterIhavespentwholemorningsontheriver,Ialwaysgohomewithanemptybag.after(conj.)+从句，（主从句的主语一致）after(prep.)+名词／动词的ing形式AfterIgotoschool,Ilearnedalotofknowledge.=Aftergoingtoschool,Ilearnedalotofknowledge.Afterthestudentshandedintheirpapers,theteacherleft.•3.多项选择题答案•1b2c3b4b5c6b•7c8a9c10c11d12a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)它在句中充当名词的作用，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形式作主语往往表示抽象、笼统的动作或泛指某动作或行为。如：a.)Gettingupearlyisagoodhabit.b.)FishingisTom’sfavoritehobby.c.)Cryingoverspiltmilkisnouse.d.)Arguingwithhimisawasteoftime.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：It’snousecryingoverspiltmilk.(抽象)Herealizedthattogoonlikethiswasnouse.(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：Seeingisbelieving.Toseeistobelieve.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：It’snousedoing…It’snogooddoing…It’sawasteoftimedoing…例如：It’snousegoingtheretoday;hewon’tbeathome.It’sawasteoftimearguingaboutit.而在It’simportant…/It’snecessary…/It’sadvisable…/It’sessential…/It’sfitting…这类句型中，只能用不定式，如：It’simportanttolearnforeignlanguages.It’squitenecessarytoreaditmanytimes.2)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.)Myjobistestingallkindsofsoftware.b.)Thepurposeofmyletterisadvisingyoutodomoresports.c.)Hisgreatesthappinessisservingthepeople.d.)Seeingisbelieving.Predictive注①：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：Myfavouritesportisswimming.Thefirstthingforustodoistoimproveourpronunciation.注②：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：Myjobislookingafterthechildren.Ourdutyisservingthepeopleheartandsoul.Thesituationisencouraging.Thiscakeisveryinviting.Thevolleyballmatchwewatchedwasveryexciting.2)V-ing形式作宾语a.)Shesattherewithoutspeaking.b.)Davidisinterestedindriving.c.)DoyoumindturningontheTV?d.)Bettyenjoyslisteningtopopmusic.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,escape,excuse,mind等，（+Ving的动词）如：Maryisconsideringchangingherjob.Ienjoyworkingwithyou.Wouldyoumindringingmeuptomorrow?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,can’tafford等。B.在need,want,deserve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，（这时主语一般是物），如：Thedoorneedsoiling/tobeoiled.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：IforgottoclosethedoorbeforeIlefttheroom.Iforgothavingclosedthedoor.Hetriedtowritebetter.(尽量努力地写)Hetriedwritingwithabrush.(用毛笔试着写)Icouldn’thelpfinishingit.(不能不结束某事)Icouldn’thelptofinishit.(不能帮助结束某事)Theyleftofffishing.(停止钓鱼)Th