新课标人教版选修六Book6 Unit5 Grammar.ppt

人教课标版高二选修 6 Unit 5 人教课标版高二选修 6 Unit 5 G rammar 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 earthquakes in Hawaii already, I didn ’ t 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 Walking along the street , I met Mary. (= While I was walking along the street ….)在街上走的时候,我遇到了玛丽。时间例句用法 Turning to the left , you will find the school. (= If you turn to the left, ….)向左走,你就会找到那个学校。条件 Being tired , I stopped to take a rest.(= Because I was tired, ….)因为疲倦,我停下来休息。原因例句用法例句用法 Knowing where I live , he never come to see me . (= Though he knows where I live, ….) 尽管他知道我的住处, 但从不来看我。让步 It rained heavily, causing severe flooding in the area .(= It rained heavily so that it caused severe flooding in the area.) 在这个地方雨下的如此大,以至引发了洪灾。结果 I stood there, waiting for her . (= …, and waited for her.) 我站在那儿等她。伴随例句用法 2. – ing 形式的完成式(Having been) +. …, 主语+谓语被动主动 Having finished my work , I went home. (= After I had finished my work, ….)工作做完只后,我就回家了。例句?– ing 形式的完成式所表示的时间在谓语动词之前?表示被动可直接用过去分词用法 Having +. …, 主语+谓语句型