现在分词1-ing分词的构成主动形式被动形式一般式doinP.pptVIP

* 现在分词 1. -ing分词的构成 主动形式 被动形式 一般式 doing being done 完成式 having done having been done * -ing分词的否定形式是由not + -ing构成。 不知道他的地址，我只好在家里等着。 Not knowing his address, I could do nothing but stay at home and wait. 2. -ing的一般式（正在进行）和完成式（已完成） 作为一个学生，他对书本很感兴趣。 Being a student, he was interested in books. 因为没有努力学习功课，他考试不及格。 Not having studied his lessons very hard, he failed the examinations. 3. -ing分词的被动式： -ing的被动式有一般被动式(being done) 完成被动式(having been done) 正在被讨论的问题很重要。 The question being discussed is very important. 他从来没谈起过他被记者采访的事情。 He never talked about his having been interviewed by the reporter. 被老师批评以后，他把烟戒了。 Having been criticized by the teacher, he gave up smoking. 4. -ing分词的语法作用 -ing一方面具有动词的性质，另一方面也相当于一个名词或形容词、副词，在句中可以作主语、表语、宾语、定语、状语和补语等。 1) 作主语： 产卵是蚁后的专职工作。 Laying eggs is the ant queens full-time job. 说比做容易。 Saying is easier than doing. 在下面两种结构中，-ing分词也作主语。 ①为了保持句子平衡，通常用作形式主语，而把真实主语放在句末。如： It is no use crying over spilt milk. 作无益的后悔是没有用的。 辩论这事是浪费 It‘s a waste of time arguing about it. 时间。 It is + no use, no good (fun, a great pleasure, a waste of time, a bore...)等n.+doing sth. It is + useless (nice, good，等adj.)+ doing 　光说没用 It is useless speaking. 　 晚饭后弈棋挺好。 It is good playing chess after supper． ②在There is no结构中，通常用-ing分词。如： There is no joking about such matters. There is no holding back the wheel of history. ? There is no + doing...(there is no 表“不可能”) 要说出他是谁是不可能的 There is no telling what he is． There is no saying what may happen. There is no use good / point / sense / harm)+doing sth. 做某事没用(不好/意义/重要性) 　　牛奶洒了，哭也无用。 There is no use crying over spilt milk． have difficulty/trouble/problem + (in)+doing 　　这类词还有trouble, fun, a hard time, a good time.　 　　我们执行计划有困难。 We had difficulty (in) carrying out the plan． 2) -ing分词（短语）作表语： 他的爱好是收集邮票。 His hobby is collecting stamps. 这个问题很令人困惑。 The problem is quite puzzling. 3) -ing分词作宾语： ①–ing分词作动词宾语。如