陕西省榆林育才中学高中英语 5.4 The power of nature Grammar导学案 新人教版选修6.doc

陕西省榆林育才中学高中英语 5.4 The power of nature Grammar导学案 新人教版选修6学习目标：让学生学习现在分词做状语的用法。预习案语法品味：通过下列句子体会现在分词的用法1. Looking out of the window, I saw groups of children passing by the house.2. Opening the drawer he took out a dictionary.3. Feeling tired, I telephoned and said I couldnt come to a hospital of Chinese medicine.4. Not knowing what to do, she went to the teacher for help.5. Having done his homework, the schoolboy began to write his diary.6. Not having done it right, I tried again.7. Having been asked to stay, I couldnt very well leave.8. Seeing Tom, I couldnt help thinking of his younger brother.9. The plate dropped from her hands, breaking it into pieces.10. Working hard, you will pass the examination.思考：1.doing 和主句的主语是主谓关系还是动宾关系doing 的完成式_否定式_被动式_完成被动式_2. doing在句子中可以做哪些句子成分？_doing可以做状语探究案1、 现在分词的基本形式： 1.现在分词的一般式：doing. 表示该动作和谓语动词所表示的动作一般同时发生。 Coming down the mountain he met Miya on the way. 2.现在分的完成式：having done.表示该动作发生在主句谓语动作之前。Having finished her work, Lanny went home. 3现在分词的否定式；not doing: not having doneNot having received her reply, they telephoned her. 4现在分词的被动式：being done:表示与谓语动词同时发生的被动的动作 having been done表示谓语动词之前的被动的动作。 Being asked to give a performance, Mary couldnt very well refused. Having been given such a good chance, how could she let it slip?2、 现在分词做状语的基本用法；1.时间状语；相当于when/while引导的时间状语从句 When leaving the station, he waved again and again to us Having turned off the TV set, he began to go over his lessons.2. 原因状语：相当于一个原因状语从句 Fearing that the police would recognize him he never went out in daylight.Having lived in the city many years, I knew it well.3. 伴随状语或方式状语； My grannny sat in the armchair, reading the newspaper. She sat by the window, enjoying the beautiful sights outside.4.条件状语；Working hard, youll pass the exam.Going there by plane, you will arrive tomorrow morning.5. 让步状语： Though raining heavily, it cleared up very soon. Whether waking or sleeping , he was devoted to the subject.6.结果状语：表示必然的结果。More highways have been built in China, making it much easier for people to travel from one place to another.The plate dropped from her hands, breaking it into pieces.3、 现在分词做状语的注意事项； 1.现在分词状语，可以根据需要在其前面加上when.while,before, after,since, until, once, though, although, as long as, so long as,unless, as if, as though,even if, even though等，表示特殊含义，但as 后不能跟doing形式。 Dont talk while having dinner. Once losing this chance, you cannot easily find it. As long as going into the reading room, you should keep quiet.2.在绝大多数情况下，现在分词的逻辑主语就是主句的主语，但有时候现在分词前可以有一个名词或代词表示它的逻辑主语，这样就形成独立主格结构，在句子中做状语。The meeting being over,we all left the room and drove home.3. 有少数现在分词短语并不表示句子主语的动作，而是表示说话人的太度，被称之为分词的独立成分，常用的这类独立成分有： according to 根据- judging from/by-由-判断 considering-考虑到- providing that-假如- generally speaking一般说来 supposing-假设，如果 taking-into consideration考虑到 seeing-考虑到 assuming-假使我的疑惑_训练案单句改错1. Erupting last night, the volcano destroyed a large area of the small village._2. Knowing not her telephone number, I could not ring her up._3. She stood at the station and waiting for the bus._4. He died in 1980, having left his wife and four children hopeless._5. When glanced through the newspaper, he came across a photo of his old friend._6. Turn to the right,you will find the hotel._7. Finishing my work ahead of time, I was allowed to go home._8. Appointing as the Minister of Finance, he felt very happy._9. When heard the good news, he jumped with joy._10. Being bathed in the sun, he felt comfortable._单项选择1. _the course very difficult, she decided to move to a lower leve. A.Find B.Finding C.To find D.Found2. He got up late and hurried to his office,_the breakfast untouched. A.left B.to leave C.leaving D.having left3. When I was little , my mother used to sit by my bed,_me stories till I fell asleep. A.having told B.telling C.told D.to tell4. _at the cafeteria before, Tina didnt want to eat there againA. Having eaten B.To eat C.Eat D.Eating5._to work overtime that evening, I missed a wonderful film. A.Having been asked B.To ask C.Having asked D.To be asked6._in a long queue, we waited for the store to open to buy a New iPad A.Standing B.To stand C.Stood D.Stand7. Standing on the platform, Professor Li kept silent for a moment, _on the audience below. A.her eyes fixed B.and her eyes fixed C.and her eyes fixing D.her eyes fixing8. _everything into consideration,the result is better than_. A.Taking:expected B.Taken:expected C.To take:expecting D.Taking:expecting9. Having taken our seats,_. A.the professor began the lecture. B.the lecture began