高中英语 Unit 5 The power of nature Section Ⅳ Grammar & Writing课件 新人教版选修6

Section Grammar & Writing,探究 语法精要,动词的ing形式在句中作状语 【语法感知】 课文原句填空 1_(collect) and evaluated the information，I help other scientists to predict where lava from the volcano will flow next and how fast. 答案：Having collected 2_(experience) quite a few earthquakes in Hawaii already，I didnt take much notice. 答案：Having experienced,3_(collect) special clothes from the observatory，we put them on before we went any closer. 答案：Having earlier collected 4_(study) volcanoes now for many years，I am still amazed at their beauty as well as their potential to cause great damage. 答案：Having studied,【语法知识储备】 1动词的ing形式的时态、语态及意义,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 couldnt get there on time. 她被交通阻塞耽搁了，无法准时到达那里。,2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，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。 Dont 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 didnt 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. 经过很多地方旅游，他知道很多。,(3)作方式或伴随状语 He sent me an email，hoping to get further information. He sent me an email，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。 (4)作条件状语 Working hard，youll surely succeed. If you work hard，youll surely succeed. 如果你努力工作，你就会成功。,(5)作让步状语 Admitting what she has said，I dont think that she has tried her best. Though I admit what she has said，I dont 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力。 (6)作结果状语(必然结果) The train was caught in heavy snow，thus causing the delay. The train was caught in heavy snow and caused the delay. 火车遇上了大雪，因此造成了耽搁。,3现在分词作状语的注意事项 (1)主语一致 现在分词作状语时，分词的逻辑主语要与句子的主语保持一致，否则就要在分词前加上其自身的逻辑主语构成分词的独立结构。 Mary coming back，they discussed that together. 玛丽回来后，他们一起讨论了那件事。 Weather permitting，we shall go there on foot. 天气允许的话，我们就步行去那儿。 注意：分词的逻辑主语与句子的主语不一致，但不构成语法错误的常见分词(短语)：副词(frankly/generally.)speaking，judging from，talking of，considering等。,(2)否定形式 现在分词(v.ing)形式的否定结构是在分词前加not，分词完成式的否定结构通常把not放在having前面。 Not knowing 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。 Not having finished his work，he was punished by his boss. 由于没有完成工作，老板惩罚了他。,(3)动词不定式与现在分词作结果状语的区别： 动词不定式作结果状语时，常表示出乎意料的结果。 现在分词作结果状语则表示必然的或合乎逻辑的结果，这时其前可加thus。 He hurried to the station only to find the train gone. 他匆匆忙忙地赶到火车站，却发现火车已经开走了。 His parents died，leaving his condition worse off. 他的父母去世了，使他的状况更糟糕。,课时 语法专练,.句型转换 1Because Bruce had experienced a few earthquakes before，he wasnt frightened. _ _a few earthquakes before，Bruce wasnt frightened. 答案：Having experienced 2As Judy had not seen a volcano erupting before，she was very excited. _ _ _a volcano erupting before，Judy was very excited. 答案：Not having seen,3As soon as I came out of the door，I saw my father sitting on the steps. _ _ _the door，I saw my father sitting on the steps. 答案：Coming out of 4. Susans husband died of cancer and left her with 3 children and a lot of debts. Susans husband died of cancer，_her with 3 children and a lot of debts. 答案：leaving,5Though the boy refused to eat the cake，he admitted he was hungry. _ _to eat the cake，the boy admitted he was hungry. 答案：Though refusing,.单句语法填空 1_(find) the course very difficult，she decided to move to a lower level. 答案：Finding 2_(not know) which university to attend，the girl asked her teacher for advice. 答案：Not knowing 3_(eat) at the cafeteria before，Tina didnt want to eat there again. 答案：Having eaten,4_(chat) for several hours，they felt like old friends who had not seen each other for a long time. 答案：Having chatted 5_(remind) not to miss the flight at 15：20，the manager set out for the airport in a hurry. 答案：Having been reminded,解码 书面表达,另外，在写作过程中我们还要注意： 1合理安排说明顺序。在介绍方位时，最好按空间顺序来写，这样会使读者一目了然，在脑海中有一个清晰的方位图。 2时态相对较为统一，多用一般现在时，如涉及到历史事件的描述，则用一般过去时。,3自然景观与人文景观的有机结合：不同的风景区有不同的特点，要对每个地方的自然风景进行描述，同时结合景观的历史及当地的风土人情、生态、环境保护等知识，以达到自然景观和人文景观的和谐统一。 4抒发感情，融情于景。景点介绍不同于一般的说明文，在描写景物时可抒发个人情感，也可对景物进行生动细致的描写。,常用表达 .lie(s) in/on/to the east/west/north/south of. Located in.，.covers an area of. .is located/lies in/to/on.，covering an area of. .has become one of the most popular tourist attractions for. .be known/famous for/as.,It has a population/an area of.with a history of. The weather here gets neither too cold nor too hot all the year round. If you come to.for a visit，you will have a chance to enjoy. .，known as.，attracts visitors from all over the world. A walk around.is a feast for your eyes.,实战演练 英语课堂上，老师要求介绍一处旅游景点。请你根据以下要点，用英语写一篇短文描写济南的趵突泉。 1位于趵突泉公园中心； 2拥有3 000多年的历史； 3喷泉喷射时，声音洪亮、景象壮观； 4品茶赏景，身心愉悦。 注意：1.词数：100左右； 2可以适当增加细节，以使行文连贯。,参考范文： Have you ever thought of visiting Baotu Spring in Jinan？You should because it has special attractions. Baotu Spring is located in the centre of Baotu Spring Park and regarded as one of the three major places of interest in Jinan.Its a symbol of the city.The spring has a history of over 3,000 years.Spring water fountains all day，which creates great sounds and sights.Whats more，enjoying the beautiful scenery of the spring with a cup of tea in hand can make us happy and relaxed. If you are lucky enough to visit Baotu Spring，dont forget to drink tea beside the spring.Its really a great thing to do.,谢谢观看！,