高中英语选修七Unit03B.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Discovering useful words and expressions,Find out the words in the text and judge how they have been used.,Words,Definitions,1 or 2,to jump into the water head first,a graceful jump into the water head first,to see something happen,someone who sees a crime or an accident,a short time when someone stops speaking,to stop doing something for a short time,a strong wish,to strongly suggest someone do something,something that slows you down,to pull something along behind you,dive,witness,pause,urge,drag,1,1,2,2,2,1/36,Key to Ex.2.,1.anecdotes,2.Teamwork,3.conservation,4.opposite,5.abandon,Key to Ex.3.,When I was young,my parents like jogging on the beach.So we used to visit the seaside on our _ holiday.We always stayed in _ close to the _ because my parents had a good _ with the owner of the hotel.We also went snorkeling each time and would _ under the waves to see the colorful fish.As I grew older I was allowed to go to greater _ and further out beyond the bay.There I saw small _ as they swam lazily around the sea bottom.One day I _ how they would pursue their prey swiftly,and the small fish had no time to _ away.I wanted to _ and warn the poor fish but that was impossible underwater.Thank God it was;otherwise,I might have been swallowed instead!,annual,accommodation,shore,relationship,dive,depths,sharks,witnessed,flee,yell,2/36,Discovering useful structures,Key to Ex.1.,I heard a loud noise,coming from the bay,.,animal opposite us,throwing itself,and then,crashing down,again.,I had already heard that Gorge didnt like,being kept waiting,Without,pausing,we jumped into the boat with the other whalers and,and could see Old Tom,swimming by the boat,showing us the way,.,so George started,beating the water,with his oar and there was Tom,circling back to the boat,leading us to the hunt,again.,Using a telescope,we could see that something was happening.,I could see a whale,being attacked,by a pack of about six other,the killer over there are throwing themselves on top of the whales blow-hole to stop it,breathing,.,And those others are stopping it,diving,or,fleeing out,to sea.,George told me,pointing towards,the,hunt,.,The killers started,racing between,our boat and the whale just like,Being badly wounded,the whale soon died.,The men started,turning the boat around,to go home.,added Red,laughing,.,urged George,shouting loudly,.,From Jamess face,I could see he was terrified of,being abandoned,by us.,I saw James,being firmly held up,in the water,3/36,Key to Ex.2.,being attacked,Being held up,Being included,Having been accepted,being told,Being helped out,being taken,being photographed,being swallowed,Key to Ex.3.,Fishing,net in the sea have become a serious problem.They may be many kilometers long with plastic balls to keep them,floating,on the water,and weights to hold them down on the seabed.Unfortunately,the plastic nets are impossible to see underwater.So the term to describe them is“a wall of death”.Their advantage is that they catch fish efficiently.However,they also cause danger to sea animals.First,not only target fish are caught in the net,but many other sea animals are found,hanging,there.Those not needed for,marketing,are thrown away.Second,nets are in danger of,being,cut,loose,by fishermen.If a net becomes,free-floating,it is moved by the tides all over the ocean.It behaves as a hidden danger,killing,all that are trapped in it.So many animals,being,caught,in driftnets make many think that it is necessary to have a worldwide ban on all driftnet fishing.,4/36,Unit 3,Grammar,Revisethe Passive Voice of,ing,Form,5/36,一、行为主体不明确，无须说出或者无法说出动作执行者时。,比如：,Football is played all over the world,二、不易找到或根本就不可能找到动作执行者时。,比如：,My bike was stolen,我自行车被盗了。,何时使用被动语态呢？,6/36,三、汉语中含有“听说”、“据悉”、“有些人说”、“大家说”等时。,比如：,It is said that,one day he climbed to the top of a house.,It was reported,that her mother died of SARS.,众所周知,It is well known that.,据推测说,It is supposed that,7/36,四、汉语中含有“被”、“由”等词时。,比如：,Wei Hua,was asked,to come by Lin Tao,魏华是被林涛叫来。,五、一些句子习惯上用被动语态。,比如：,He,was born,in October,1989,8/36,六、表示礼貌时。,比如：,You,are,friendly,invited,to come to our English party at 8:00 p.m.tomorrow,敬请您明天晚上8：00光临我们英语晚会。,9/36,V-ing 形式由“,doing,”组成，,其否定形式是“,not doing,”,V-ing,能够带宾语或状语组成 V-ing 短,语，没有些人称和数改变，但有,时态和语态改变。,V-ing 形式,10/36,语态,时态,主动形式,被动形式,普通式,完成式,(not)doing,(not)being done,(not),having done,(not)having,been done,11/36,当非限定性动词-ing逻辑主语,是-ing所表示动作对象时要用,-ing被动形式，包含其普通形式,“(not)being+-ed分词和完成形式,“(not)havingbeen+-ed分词”。,什么情况用V-ing 形式被动式呢？,12/36,当动词-ing 形式逻辑主语是,动作承受者时，就要用动词-ing,形式被动语态。动词-ing形式被动语态和它,主动语态一样，在句中能够作主语、,宾语、定语、状语。,动词-ing形式被动语态,13/36,1.,Being killed,by sharks in the sea is a common thing.,2.,Being helped out,by the killer,whales,the whalers were able to make successful kill.,用作主语,14/36,_ to sunlight for too much time,will do harm to ones skin.,(上海,高考题,)A.Exposed,B.Having exposedC.Being exposed,D.After being exposed,分析：本句中expose与ones skin是动宾,关系，依据句意，应该是皮肤被暴露在,阳光下，所以要用动词-ing形式被动,形式作主语，故答案为,C,。,15/36,He was afraid of,being scolded,by,the teacher.,2.I remember,having been told,the story.,3.I didnt like the idea of,being thrown about,in a boat on a rough sea.,用作宾语,16/36,V-ing 形式既可作动词宾语,也可作,介词宾语。,The bird escaped _,(catch).,He was afraid of _,(abandon)by us.,being abandoned,being caught,17/36,在,avoid,admit,appreciate,complete,consider,delay,enjoy,escape,excuse,finish,forgive,imagine,mind,miss,practise,risk,suggest,give up,put off,feel like,insist on,等后只接V-ing形式作宾语。,注意,18/36,The problem,being discussed,now is very important.,2.The house,being built,will be our library upon its completion.,用作定语,19/36,1.,Being asked to,answer the,question,she couldnt refuse.,2.,Having been given,such a good chance,how would you not value it at all?,用作,状,语,20/36,Ving,普通时,和,普通时被动形式,;,(1)He hurried home,looking,behind,from time to time.,(2)The building,being repaired,is our,dormitory.,Compare,21/36,Ving,完成时,和,完成时被动形式,(1),Having heard,this,our teacher,expressed her satisfaction.,(2),Having been asked to stay,I,couldnt leave.,Compare,22/36,在绝大数情况下，句子逻辑主语是句中主语，但有时可有一个名词或代词表示逻辑上主语，这种带逻辑主语结构称为,独立结构,。,The meeting,being,over,we all left,the room and drove home.,会议结束后,我们都离开房间开车走了。,23/36,It,being,a holiday,all the shops were shut.,因为今天是假日，全部商店都关门了。,The heavy frost,coming,on,dead,leaves lay thick on the ground.,浓霜降临,落叶满地。,24/36,一些动词如,need,want,require,等作,“需要”讲时,其后动词-ing形式主,动语态表示被动意义,也能够用不定式,被动形式来替换。如：,注意,The blackboard needs cleaning.,=The blackboard needs,to be cleaned,.,黑板需要擦洁净。,25/36,The broken window wants repairing.,=The broken window wants,to be repaired,.,那个破窗户需要修理。,另外注意be worth及be worthy 使用方法：,The problem is worth discussing.The problem is worthy of being discussed.The problem is worthy to be discussed.,以上三个句子都意为“这个问题值得讨论”。,26/36,1.-What made Bill so angry?,-_.His girl friend promised to,come at 8:30,but she hasnt come yet.,A.Having kept waiting,B.Being kept waiting,C.To be kept waiting,D.Being kept waited,Practice,27/36,2.The building _ in our school is for us teachers.Though theres noise most of the day,we still feel happy about it.,A.built,B.having been built,C.to be built,D.being built,28/36,3.The squirrel was lucky that it just missed _.,A.catching,B.to be caught,C.being caught,D.to catch,29/36,4.While shopping,people sometimes cant help _ into buying something they dont really need.,A.to persuaded,B.persuading,C.being persuaded,D.be persuaded,30/36,5._ many times,the boy still didnt know how to do the exercises.,A.Having taught,B.Having been taught,C.taught,D.Teaching,31/36,6._ the whole story,Jane decided not to see the film.,A.Having been told,B.Having told,C.Been told,D.Telling,32/36,7.He has always insisted on his _ Dr Turner instead of Mr Turner.,A.been called,B.called,C.having called,D.being called,33/36,8.Do you mind _ alone at home?,A.Jane leaving,B.Jane having left,C.Janes being left,D.Jane to be left,34/36,1._(ask)to put on,performance,she refused.,2.He disliked _,(interrupt)in his experiment.,3._(give)such,a good chance,you should catch it.,Being asked,Fill in the blanks.,being interrupted,Having been given,35/36,4.I didnt mind _(leave),at home.,5.The house wants _(clean).,6.He came in without _(ask).,7._(show)around,the library,we were taken to see,the lab.,being left,cleaning,being asked,Having been shown,36/36,