高中英语现在分词作状语有几种形式（共24张PPT）

The ing-form used as adverbial * 现在分词作状语有四种形式 1.一般形式，由动词原形＋ing构成． 2.完成形式，由having+过去分词． 3.进行被动式：由being＋过去分词 4.完成被动式：由having been＋过去分词构成 现在分词的否定式是在一般式和完成式的 前面加not (never) * 1.现在分词何时用一般形式? ⑴当分词的动作是由主语发出，而且和谓语动词同时发生，则用分词的一般形式． He was ill and didn’t attend the meeting. =Being ill, he didn’t attend the meeting. * ⑵如果分词表示的是一个极短暂的动作,这动作一发生,谓语表示的动作立即发生,也用分词的一般形式. Hearing the news, they all jumped with joy. * 2.现在分词何时用完成形式？ 当分词的动作是由主语发出，而且发生在谓语动作之前，则用分词的完成形式． Having finished the class, she went home. =After she finished the class… * 3.现在分词何时用进行被动式？ 当分词的动作由主语承受，而且分词的动作与谓语动词同时发生时． Being criticized by the employer, the new employee hung his head. * 4.现在分词何时用完成的被动式？ 当分词表示的动作在谓语所表示的动作之前发生，且分词表示的动作由主语承受． Having been praised for his job, Tom worked harder. * 现在分词作状语相当于状语从 句可表时间，原因，方式，伴随情况，结果或条件等 * (1)相当于原因状语从句 a. Being ill, she didn’t g to school today. =As she is ill, … b. Having seen the film ,he didn’t go to the cinema with them. =Because he had seen the film ,…