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1、 动词的动词的-ing(现在分词）形式作现在分词）形式作状语时，通常都表示主语正在进行状语时，通常都表示主语正在进行的另一动作，用来对谓语动词表示的另一动作，用来对谓语动词表示的动作加以修饰或作为陪衬，它可的动作加以修饰或作为陪衬，它可表示表示时间、原因、结果、条件、让时间、原因、结果、条件、让步、方式或伴随动作步、方式或伴随动作，相当于相对相当于相对应的应的状语从句状语从句。动词的动词的-ing形式（现在分词）作状语形式（现在分词）作状语2公开课件用法用法1： 表示表示时间时间，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
2、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公开课件用法用法3： 表示表示条件条件，多置于句首，多置于句首e.g. Wo
3、rking hard, you will succeed.用法用法4： 表示表示让步让步，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公开课件用法用法5： 表示表示结果结果，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 ta
4、ble, reading a magazine. 2) Laughing and talking, they went into the room.5公开课件用法用法7：为强调与谓语动词的动作为强调与谓语动词的动作同时发生同时发生，在，在-ing形式短语前可用连词形式短语前可用连词when, while等；等；为强调在谓语动词的动作为强调在谓语动词的动作之前或之后之前或之后发生，发生，在在-ing形式短语前可用连词形式短语前可用连词before或或aftere.g. 1) Be careful when crossing the road. 2) Dont laugh while eating
5、. 3) Before going abroad, he lived here. 4) After watching TV, he went to bed.6公开课件用法用法8： 在在-ing形式短语前可用介词形式短语前可用介词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：为了为了强调结果强调结果，可在，可在-ing形式前加形式前加副词副词thuse.g. The bus
6、 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公开课件用法用法10：在在-ing 形式短语前可用形式短语前可用though/although 表表示让步示让步e.g. Though working very hard, he couldnt make enough money to pay off his debt. = Though he worked very hard,
7、 he couldnt make enough money to pay off his debt.8公开课件动词动词-ing 形式（现在分词）作状语形式（现在分词）作状语时，其逻辑时，其逻辑主语必须与句子的主语主语必须与句子的主语一致一致，且必须与句子的主语是逻辑，且必须与句子的主语是逻辑上的上的主谓关系主谓关系，动词，动词-ing 形式表示形式表示的动作是次要动作。（一个主语多的动作是次要动作。（一个主语多个动作。）个动作。）注意：注意：9公开课件Grammar 11. ChoosingRead the following sentencesand make a choice.10公开课件
8、_ 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 investig
9、ating.4. Pushing his shopping bag through, he scrambled through himself. 2 31 411公开课件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-
10、2. Rewrite the sentences12公开课件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公开课件Gramma
11、r 21. Filling in the blanks.Complete the sentences with the correct form of the verbs below and rewrite them.14公开课件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
12、 king sees her, he immediately falls in love with herseeingknowing15公开课件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 abo
13、ut the situation, he decides to kill the witch himself.While he is sitting by a pool, Ferdinand sees a frog.leavingthinkingsitting16公开课件. Grammar 22. Exercises1) Choosing2) Filling3) Corrections17公开课件1) Choosing: Choose the best answer from A, B, C and D, and then rewrite the sentences.18公开课件Choosin
14、g: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公开课件2. The visiting Minister expressed his satisfactio
15、n 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公开课件3. “Cant you read?” Mary said, _ to the notice. A. angrily pointing B. and point an
16、grily C. angrily pointed D. and angrily pointingA: “Cant you read?” Mary said, while she pointed to the notice angrily.A21公开课件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,
17、 and this makes it the most popular sport in the world.A22公开课件2) Filling: Fill in the blanks to finish the following sentences.23公开课件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
18、 way, they greatly reduced the cost.HearingBeinglisteningWorkingFilling：24公开课件现在分词完成式作状语现在分词完成式作状语-having done/having been done定义定义1:1: 现在分词的完成式指分词所表示的现在分词的完成式指分词所表示的 动作发生在句中谓语动词所表示的动作发生在句中谓语动词所表示的动作之动作之前前。 若分词所表示的动作与主语之间是若分词所表示的动作与主语之间是主动主动关系关系，则用，则用having done; ;若是若是被动关系被动关系，则，则用用having been done。
19、 Grammar 225公开课件1. 在乡下工作了三年后，他学会了如何种在乡下工作了三年后，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. 被提供了这样一个好机会，他怎么能让被提供了这样一个好机会，他怎么能让它浪费掉呢？它浪费掉呢？Having been given such a good chance, how could he let it pass away?Examples:26公开课件3.已经遭受了如此严重的污染，现在才清理已经遭受了如此严重的污染
20、，现在才清理河道已经太晚了。河道已经太晚了。Having suffered such heavy pollution already, it may now be too late to clean up the river.4. 译成多种语言之后，这本书已经闻名世译成多种语言之后，这本书已经闻名世界了。界了。Having been translated into several languages, the book became famous all over the World.27公开课件定义定义 2 2：现在分词的现在分词的一般式一般式vingving所所表示的动作与谓语动词所表示的
21、动表示的动作与谓语动词所表示的动作往往同时发生，而作往往同时发生，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发生在谓语动词所表示的动作动作发生在谓语动词所表示的动作之前。之前。现在分词完成式作状语现在分词完成式作状语28公开课件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, th
22、e students placed their books on the desks and left the Classroom.Examples:29公开课件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.由于还没有收到回信，他决定再写一封。由于还没有收到回信，他决定再写一封。Not having received a reply, he decided to write again.2.由于还不知道她的地址，我只好打电话让由于还不知道她的地址，我只好打电话让她过来。她过来。Not having known her address, I might as well telephone her to come over.30公开课件Goodbye!Goodbye!31公开课件
