unit5The_Power_of_Nature课件24(人教版选修6).ppt

Unit 5 The Power of Nature;Examine the sentences below and tell the similarity and difference between these two sentences. Looking carefully at the ground, I made my way to the edge of the crater. Having experienced quite a few earthquakes in Hawaii already, I didn’t take my notice. ;?Hearing the news, they immediately set off. 听到这个消息，他们立即出发了。 ?Having written a letter, I listened to music for a while. 写完信后，我听了一会儿音乐。 ?Having been held back by the traffic jam, she couldn’t get there on time. 她被交通阻塞耽搁了，无法准时到达那里。;二、现在分词作状语的种类 现在分词作状语时，表示的动作是主语动作的一部分，用来修饰谓语动词，常表示动作发生的时间、原因、条件、结果、方式、伴随、让步等情况， 多用逗号跟句子其他成分隔开。并可以转换成相应的状语从句或并列句。;1. 作时间状语 ?Walking in the park，she saw an old friend. =When she was walking in the park, she saw an old friend. 在公园散步时，她看到一个老朋友。 ?Having finished the work, he went out to meet his friends. =After he finished the work, he went out to meet his friends. 完成工作后，他出去会朋友了。;如果强调两个动作同时发生，分词前可加when或while。 ?Be careful when crossing the street. 过马路时一定要小心。 ?Don’t mention this while talking to him. 与他交谈时不要提这件事。;2. 作原因状语 ?Not knowing how to deal with the problem, he turned to his teacher for help. =As he didn’t know how to deal with the problem, he turned to his teacher for help. 由于不知道如何处理这个问题，他向老师求助。 ?Having traveled to many places，he knows a lot. =Since he has traveled to many places, he knows a lot. 到过很多地方旅游，他知道很多。;3. 作方式或伴随状语 ?He sent me an e-mail，hoping to get further information. =He sent me an e-mail，and (he) hoped to get further information. 他给我发了封电子邮件，希望得到更多的消息。 ? The children ran out of the room, laughing and talking merrily. 那些孩子们跑出房间，愉快地笑着、说着。;4. 作条件状语 ?Working hard, you’ll surely succeed. =If you work hard, you’ll surely succeed. 如果你努力工作，你就会成功。 ? Turning to the left, you will find the school. =If you turn the left, you will find the school. ;5. 作让步状语 ?Admitting what she has said, I don’t think that she has tried her best. =Though I admit what she has said, I don’t think that she has tried her best. 尽管承认她所说的话，但我认为她没有尽最大努