现在分词作状语-课件

高二(选修6）动词的的-ing(现在分在分词）形式作）形式作状状语时，通常都表示主，通常都表示主语正在正在进行行的另一的另一动作，用来作，用来对谓语动词表示表示的的动作加以修作加以修饰或作或作为陪陪衬，它可，它可表示表示时间、原因、原因、结果、条件、果、条件、让步、方式或伴随步、方式或伴随动作作，相当于相相当于相对应的的状状语从句从句。动词的的-ing形式（形式（现在分在分词）作状）作状语2-用法用法1：表示表示时间，多置于句首，也可置于句末。，多置于句首，也可置于句末。e.g.Walking in the street,I met a friend of mine.=When I was walking in the street,I met a friend of mine.用法用法2：表示表示原因原因，多置于句首或句末，也可置于，多置于句首或句末，也可置于句中。句中。e.g.1)Being ill,he didnt go to school.=Because he was ill,he didnt go to school.2)She rang him up,hoping to get his support.3-用法用法3：表示表示条件条件，多置于句首，多置于句首e.g.Working hard,you will succeed.用法用法4：表示表示让步步，多置于句首，多置于句首e.g.Being poor,the old man was happy.=Though the old man was poor,he was happy.4-用法用法5：表示表示结果果，常置于句末，常置于句末e.g.The boy fell off his bike,breaking his right arm.用法用法6：表示表示方式方式或或伴随伴随,多置于句末，也可置于多置于句末，也可置于句首。句首。e.g.1)He sat at the table,reading a magazine.2)Laughing and talking,they went into the room.5-用法用法7：为强调与与谓语动词的的动作作同同时发生生，在，在-ing形式短形式短语前可用前可用连词when,while等；等；为强调在在谓语动词的的动作作之前或之后之前或之后发生，生，在在-ing形式短形式短语前可用前可用连词before或或aftere.g.1)Be careful when crossing the road.2)Dont laugh while eating.3)Before going abroad,he lived here.4)After watching TV,he went to bed.6-用法用法8：在在-ing形式短形式短语前可用介前可用介词on,表示表示“一一就就”e.g.On arriving in Beijing,he went to see his uncle.(=As soon as he arrived in Beijing,he went to see his uncle.)用法用法9：为了了强调结果果，可在，可在-ing形式前加形式前加副副词thuse.g.The bus was held up by the snowstorm,thus causing the delay.(=The bus was held up by the snowstorm,and as a result it caused the delay.)7-用法用法10：在在-ing 形式短形式短语前可用前可用though/although 表表示示让步步e.g.Though working very hard,he couldnt make enough money to pay off his debt.=Though he worked very hard,he couldnt make enough money to pay off his debt.8-动词-ing 形式（形式（现在分在分词）作状）作状语时，其，其逻辑主主语必必须与句子的主与句子的主语一致一致，且必，且必须与句子的主与句子的主语是是逻辑上的上的主主谓关系关系，动词-ing 形式表示形式表示的的动作是次要作是次要动作。（一个主作。（一个主语多多个个动作。）作。）注意：注意：9-Grammar 11.ChoosingRead the following sentencesand make a choice.10-_ describe two things happening at the same time_ describe one thing happening immediately after another1.Putting down his shopping bag,Will held out his hand.2.Will,still watching,saw the cat behave curiously.3.He crossed the road,keeping his eyes on the spot where the cat had been investigating.4.Pushing his shopping bag through,he scrambled through himself.2 31 411-1.The witch leapt into the air and vanished.2.The man shouted angrily and waved his sword at the stranger.Leaping into the air,the witch vanished.Shouting angrily,the man waved his sword at the stranger.Grammar 1-2.Rewrite the sentences12-Showing his teeth and making a loud noise,the bear came out of the bushes.She picked up the cat and rubbed its head affectionately.Picking up the cat,she rubbed its head affectionately.The bear came out of the bushes,showed its teeth and made a lot noise.13-Grammar 21.Filling in the blanks.Complete the sentences with the correct form of the verbs below and rewrite them.14-1.On_ her,the king immediately falls in love with her.2.He marries her,not _ who she really is.think know sit see leaveHe marries her,but he doesnt know who she really is.When the king sees her,he immediately falls in love with herseeingknowing15-3.Before _ his kingdom,he calls his son to him.4.After_ about the situation,he decides to kill the witch himself.5.While _ by a pool,Ferdinand sees a frog.Before the king leaves,he calls his son to him.After he thinks about the situation,he decides to kill the witch himself.While he is sitting by a pool,Ferdinand sees a frog.leavingthinkingsitting16-.Grammar 22.Exercises1)Choosing2)Filling3)Corrections17-1)Choosing:Choose the best answer from A,B,C and D,and then rewrite the sentences.18-Choosing:1.Finding her car stolen,_._.A.a policeman was asked to help B.the area was searched thoroughly C.it was looked for everywhere D.she hurried to a policeman for helpD:When she found her car stolen,she hurried to a policeman for help.D19-2.The visiting Minister expressed his satisfaction with the talks,_ that he had enjoyed his stay here.A.having added B.to add C.adding D.addedC:The visiting Minister expressed his satisfaction with the talks and added that he had enjoyed his stay here.C20-3.“Cant you read?”Mary said,_ to the notice.A.angrily pointing B.and point angrily C.angrily pointed D.and angrily pointingA:“Cant you read?”Mary said,while she pointed to the notice angrily.A21-4.European football is played in 80 countries,_ it the most popular sport in the world.A.making B.makes C.made D.to makeA:European football is played in 80 countries,and this makes it the most popular sport in the world.A22-2)Filling:Fill in the blanks to finish the following sentences.23-1._(hear)the sad news,they couldnt help crying.2._(be)very angry,she couldnt go to sleep.3.The woman lay in bed,_(listen)to the rushing wind.4._(work)this way,they greatly reduced the cost.HearingBeinglisteningWorkingFilling：24-现在分在分词完成式作状完成式作状语-having done/having been done定定义1:1:现在分在分词的完成式指分的完成式指分词所表示的所表示的 动作作发生在句中生在句中谓语动词所表示的所表示的动作之作之前前。若分若分词所表示的所表示的动作与主作与主语之之间是是主主动关系关系，则用用having done;若是若是被被动关系关系，则用用having been done。Grammar 225-1.在在乡下工作了三年后，他学会了如何种下工作了三年后，他学会了如何种蔬菜。蔬菜。Having worked in the country for three years,he knew how to grow vegetables.2.被提供了被提供了这样一个好机会，他怎么能一个好机会，他怎么能让它浪它浪费掉呢？掉呢？Having been given such a good chance,how could he let it pass away?Examples:26-3.已已经遭受了如此遭受了如此严重的重的污染，染，现在才清理在才清理河道已河道已经太晚了。太晚了。Having suffered such heavy pollution already,it may now be too late to clean up the river.4.译成多种成多种语言之后，言之后，这本本书已已经闻名世名世界了。界了。Having been translated into several languages,the book became famous all over the World.27-定定义 2 2：现在分在分词的的一般式一般式vingving所所表示的表示的动作与作与谓语动词所表示的所表示的动作往往同作往往同时发生，而生，而完成式完成式(having(having done/having been done)done/having been done)所表示的所表示的动作作发生在生在谓语动词所表示的所表示的动作作之前。之前。现在分在分词完成式作状完成式作状语28-1.人们穿着19世纪的服装走来走去。People walk around wearing nineteenth century clothes.2.考试结束之后，学生们把书放在课桌上，然后离开了教室。Having completed the test,the students placed their books on the desks and left the Classroom.Examples:29-Examples:Having done 的否定形式是的否定形式是 not having done,而不而不是是having not done。1.由于由于还没有收到回信，他决定再写一封。没有收到回信，他决定再写一封。Not having received a reply,he decided to write again.2.由于由于还不知道她的地址，我只好打不知道她的地址，我只好打电话让她她过来。来。Not having known her address,I might as well telephone her to come over.30-Goodbye!31-