现在分词教案.doc

Unit2 Module5 The environmentGrammar and usage Verb-ing form as an adjective or adverbTeaching aims:By the end of the class, students are expected to Knowledge and ability:1. identify grammar functions of verb-ing as the attributive, the predictive, the object complement and the adverbial; 2.distinguish a perfect form of verb-ing and its passive voice;Process and methods:1. conclude the rules of using the verb-ing form as an adjective or adverb by analyzing the sentences;2. use the verb-ing form and verb-ing phrases in different situations freely by doing some exercises. Teaching important point: Various forms of Verb-ing form and their usage. Teaching difficult points: (1) Verb-ing form used as adjectives (2) Use the verb-ing form and verb-ing phrases in different situations correctly.Teaching aids: Blackboard，multimedia Teaching procedures:Step1. 自学导入朗读下列句子，用口号里所给单词的适当形式填空，并说出verb-ing在句中所充当的成分。1. This is an _ (amaze) achievement.2. The damage is _(frighten).3. Other types of waste flow into our water, _(kill) river and sea life.4. Can you hear her _ (sing) the song in the next room?5. Not _ (know) English, he couldnt understand the film.6. While _ (read) the book, be nodded from time to time.思考：Verb-ing 在上述句子中分别充当什么句子成分？Step2. 典例导学学习任务一. Verb-ing form as an attribute (作定语)朗读下列句子，并归纳用法。1. a running man2. The man running in the picture(= who is running in the picture) is Liu Xiang.3. The man running fastest (=who runs fastest)gets the first place.用法归纳：V-ing作定语时，表示_或_,当分词单独作定语时放在被修饰的名词_;如果是分词短语放在被修饰的名词_，称为_,可以改为定语从句。针对性训练 1：英汉互译1. the running water_ 2. breath-taking scenery3. 说英语的国家_4. 长得好看的孩子_4. 给我们唱歌的女孩10岁了。The girl _ is ten years old. 针对性训练 2：单项填空1. The boy _ on the sofa is my best friend. A. to lie B.lying C. lay D. laying2. I was told that there were about 50 foreign students_Chinese in the school, most of whom were from Germany. A. study B. to study C. studied D. studying3. The birds _ this kind of illness were killed in large quantities. A. lead to B. led to C. were led to D. leading to学习任务二. Verb-ing form as an predicative(作表语)朗读下列句子，并归纳用法。1. The speech that you delivered is very interesting and encouraging.2. (1) The present situation is inspiring. 当前的形式鼓舞人心。 (2) We are inspired deeply by his words. 3. (1) The film is very moving 这部电影很动人. (2) Many people were moved to tear by the film. 许多人被这部电影感动得流下了眼泪。归纳用法： Verb-ing form作表语说明主语的性质和特征,通常用来修饰_,而Verb-ed用来修饰_.这类词常见的有：_针对性练习 3：1. The little girl was very _ at the _ film. A. frightened, frightened B. frightening, frightening C. frightened, frightening D. frightening, frightened2. The state of our parks is very _ (shock), with rubbish everywhere.学习任务三、Verb-ing form as object complement(作宾补)朗读下列句子，并归纳用法。1. We all found his argument convincing and interesting. 我们发现他的论点既让人信服又有趣。2. I noticed a lot of people waiting to enter the station.我注意到许多人正等着进站。3. They have the fire burning all night. 他们让火整夜燃烧着。4. He soon fell asleep with the lights still burning. 他很快就睡着了，灯却亮着。归纳用法：可以接V-ing作宾补的动词有：1.感官动词：_表动作_正在进行；2.使役动词:_表示使某人或某物一直做某事或处于某种状态；3. with/without + O + V-ing 表示动作正在进行，和句子的主语是主动关系。针对性训练 4：1. Dont leave the water _ while you brush your teeth. A. run B. running C. being run D. to run2. I noticed a man _out of the bank when I got off the car. A. run B. to run C. running D. to running3. It is cruel of you to keep him _ so long in the rain. A. wait B. to wait D. waited D. waiting4. With the boy _us, we finally found the post office. A. help B. to help C. helping D. helped学习任务四、Verb-ing form as an adjective (作状语)朗读下列句子，并指出V-ing在句中作什么状语。1. Opening the door, I found nobody in. ( )2. Being poor, they couldnt afford to buy a house. ( )3. Working hard, youll succeed. ( )4. His parents were killed in the earthquake, leaving him an orphan(孤儿). ( )5. Weighing 100 kilograms, the stone was moved by him alone. ( )6. The other people sat in the chair and acted out the story using sign language. ( )7. They sat on the sofa talking. ( )归纳：Verb-ing form作状语时，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动作加以修饰，进行说明或作为陪衬。它在句子中可以用来作:_、_、_、_、_、_、_等.学习任务五、Verb-ing形式的时态与语态通过以上句子的学习，归纳其各种时态及语态的形式和用法，以动词do为例。语态 时态主动语态被动语态一般式完成式否定式学法指导：如何选择Verb-ing的各种形式1). doing通常表示的是一般性动作，或者与谓语动词的动作_发生，而且与它的逻辑主语构成_ 关系；being done则表示与它的逻辑主语构成_关系。 Being ill, he couldnt go to school. The professor came in, following the headmaster. The building being built is said to be our dormitory.针对性训练 5：用括号中所给词的适当形式填空。 When _(live) abroad, he wrote many letters to his family and friends. I heard her_(sing) an English song when I passed by her room yesterday.The question _(discuss) now is quite important.2). having done表示的动作发生在谓语动词_, 而且与它的逻辑主语构成_关系; having been done 则表示的动作与它的逻辑主语构成_ 关系。 Having lived in New York for years, I knew each part of it very well. Having been caught in the heavy rain, I caught a cold.针对性训练 6：用括号中所给词的适当形式填空。 _(finish) his work, Henry went home. _(catch) cheating in th