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1、同步教学辅助课件,选修7,Under the sea,Unit 3,Unit 3 Grammar,Revisethe Passive Voice(II)(-ing form),To revise the-ing form and its passive voice,语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语言规则和语法规律。,Read this short passage and underline the-ing forms.,作状语,形式主语,真正主语,Some words and phrases ar
2、e followed by ing forms as objects.,Do you know how to change the ing form into the passive ing form?,doing being done,Now lets read more examples with the ing form.,What about other ing forms?,1.Freddy and his band could not go out anywhere without being followed.(必修2)2.I heard a loud noise coming
3、from the bay.3.Using a telescope we could see that something was happening.4.George told me,pointing towards the hunt.5.urged George,shouting loudly.,Look at the following sentences.,Have a look,6.I had already heard that George didnt like being kept waiting,7.,I could see a whale being attacked by
4、a pack of about six other killers.8.Being badly wounded,the whale soon died.9.From Jamess face,I could see he was terrified of being abandoned by us.10.,I saw James being firmly held up in the water by Old Tom.,1.Freddy and his band could not go out anywhere without _(follow).2.I heard a loud noise
5、_(come)from the bay.3._(use)a telescope we could see that something was happening.4.George told me,_(point)towards the hunt.5.urged George,_(shout)loudly.,coming,Using,pointing,shouting,being followed,go,Ready?,6.I had already heard that George didnt like _(keep)waiting,7.,I could see a whale _(atta
6、ck)by a pack of about six other killers.8._ badly _(wound),the whale soon died.9.From Jamess face,I could see he was terrified of _(abandon)by us.10.,I saw James _ firmly _(hold up)in the water by Old Tom.,being kept,being attacked,Being,wounded,being abandoned,being,held up,以上我们已经通过归纳总结和练习对本课的语法内容有
7、了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。,-ing的被动式,动词-ing形式的被动式是being done，表示正在进行的被动动作。如果逻辑主语是动词-ing动作的承受者就用被动形式being done。它在句中常作主语、宾语、补足语、状语和定语等。,1.Being exposed to sunlight for too much time will do harm to ones skin.2.The film star wears sunglasses.Therefore,he can go shopping without being recogn
8、ized.3.I saw Peter being questioned by the police.,作宾语补足语,作介词宾语,作主语,More examples:,3.I remember having been told the story.4.The houses being built are for the teachers.5.Shortly after suffering from an earthquake and being reduced to ruins,the city took on a new look.,作状语,作定语,作状语,作宾语,在avoid,admit,a
9、ppreciate,complete,consider,delay,enjoy,escape,excuse,finish,forgive,imagine,mind,miss,practise,risk,suggest,give up,put off,feel like,insist on等后接-ing形式作宾语。,-ing的形式变化,(not)doing,(not)being done,(not)having done,(not)havingbeen done,动词-ing形式的被动结构的一般式being done，表示的动作与谓语动词动作同时发生，或在其前发生。,Listening to m
10、usic at home is one thing,and going to hear it being performed live is quite another.,动词-ing形式的被动结构的完成式having been done，表示的动作发生在谓语动词动作之前，且动作由逻辑主语所承受(即与逻辑主语之间是动宾关系)。,The lecture having been given,a livelyquestion-and-answer session followed.,在某些情况下，动词-ing形式的被动结构的一般式常用来代替完成式，尽管动作发生在谓语动词动作之前，这已成了一种习惯。,
11、Im sorry for being late.I should have phoned you earlier.Thank you for giving us so much help.,动词-ing形式的被动式的逻辑主语与句子主语不一致时，构成独立主格结构。,They having been told to add extra work,we hurried to leave there.The meeting being over,we all left the room and drove home.,Weve had a good start,but next,more work n
12、eeds doing(to be done)to achieve the final success.,1.在表示“需要”的动词need,want,require后接动名词时，习惯上要用主动式表示被动意义(但若用不定式，则用被动式表示被动意义)。,主动式表示被动意义,2.在be worth后接动名词时也要用主动式表示被动意义，而be worthy of后接being done。,The book is worth reading.The book is worthy of being read.,Review,动词-ing形式的被动式由“being done”构成。它表示一个正在进行或与谓语表
13、示的动作同时发生的被动动作。,1.Yesterday my mother couldnt help _(persuade)into buying some useless things in the store.2.The plan needs _(discuss)among the members of the commission before _(carry out).3._(not employ)by a well-known company doesnt mean that you dont have a bright future.4.We are looking forward
14、to _(give)a chance to watch the opening ceremony.5._(praise)by the teacher,the little girl ran back home,happy and satisfied.,being persuaded,discussing/to be discussed,being carried out,Not being employed,being given,Having been praised,Complete the sentences with the passive ing form of the verbs
15、in brackets.,Fishing nets in the sea have become a serious problem.They may be many kilometres long with plastic balls to keep them _(float)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
16、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 _(hang)there.Those not needed for _(market)are thrown away.Second,nets are in danger of _(cut)loose by fis
17、hermen.If a net becomes free-floating,it is moved by the tides all over the ocean.It behaves as a hidden danger,_(kill)all that are trapped in it.So many animals _(catch)in driftnets make many think that it is necessary to have a worldwide ban on all driftnet fishing.,floating,hanging,marketing,being cut,killing,being caught,Complete the passage with the passive ing form.,Finish the exercises in Learning English.,
