课标人教实验版高二Module6Unit5.ppt
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1、,课标人教实验版高二 Module 6 Unit 5,Grammar,Review the usage of ing form below. Examine the sentences and discuss in what way the structures similar to each other and in what way they are different.,Looking carefully at the ground, I made my way to the edge of the crater.,Having experienced quite a few earth
2、quakes in Hawaii already, I didnt take much notice.,The ing form used as an adverbial.,Having + past participle (the perfect -ing form) to refer to an action that took place before the time expressed by main verb.,小结-ing 形式的用法,1. ing 形式作状语,2. ing形式的完成式,例句: (Having been) written in haste, the book ha
3、s some faults. 这本书因仓促写成,所以有些缺憾。,分词 (短语) 作状语时, 其逻辑主语必须与句子的主语一致。如果不一致,必须用独立主格结构来表示,也就是在分词前面加上它的逻辑主语。,3. 使用- ing形式需注意的几个问题。,My wife had a long talk with Sally, explaining why she didnt want the children to play together. 我妻子与莎莉谈了很长时间, 解释她为什么不想让孩子们在一起玩。,(现在分词explaining是句子主语my wife做的动作,它们之间是主动关系, 即explai
4、ning的逻辑主语,就是句子的主语my wife 。) The train having gone, we had to wait another day.(the train逻辑主语 + having gone 即为独立主格结构),分词短语做状语时,前面可以加上连词或介词,但是分词短语和句子之间不能用并列连词(如but,and),因为并列连词接的是两个并列成分,而分词短语只是全句的一个状语部分,分词和主句之间可用逗号。,例如: 误: Having been told many times, but he still couldnt understand it. 正: He was told
5、many times, but he still couldnt understand it. 或 Having been told many times, he still couldnt understand it.,-ing的一般式和完成式现在分词都可以表示先后接连发生的动作。在可能引起误解的场合应该用完成式现在分词表示先发生的动作。,例如: Opening the drawer,he took out his wallet. (=He opened the drawer and took out his wallet.) 他打开抽屉,拿出钱包。,Coming into the room
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