[英语]Unit 3 Under the sea语法讲解课件.pptVIP

Unit 3 Under the sea Section Ⅳ Grammar 二、用法：V-ing主动式形式可作主语、宾语、表语; 定语、状语和宾语补足语，但不能单独作谓语。被动式也一样。 ※其一般被动式(not)being done表示一个被动的动作正在进行或与谓语的动作同时发生 ※其完成被动式 (not)having been done表示被动的动作发生在谓语表示的动作之前 用法分析：1.动词ing作主语用法： 2. 动词ing作表语用法 ☆ Teaching is learning. 教学相长． ☆ My hobby is __________ (make) model planes. ☆ What worried the child most was _________ (not, allow) to visit his mother in the hospital . 3.动词ing作宾语的用法： V-ing 形式既可作动词的宾语, 也可作介词的宾语。 V-ing形式的被动式作宾语表示和主语的被动关系。 ★ We would appreciate hearing from you． 我们会珍惜你的来信。 ★ I feel like __________ (join) the army. ★ He was afraid of ____________ (abandon) by us. ★ The bird escaped ______________ (catch) . -ing一般被动形式和完成被动形式 Being asked to give a performance, she couldn’t very well refuse. Bing asked表示和句子主语she之间是被动系， 和主句谓语动词refuse的动作几乎同时发生。 2) Having been asked to stay , I couldn’t leave . Having been asked表示和句子主语I之间是被动关系，且先于主句谓语动词leave发生。 动词-ing形式的被动式与过去分词的区别 The building being built now in our school is a library. The building built last month in our school si a library. 动词-ing形式的被动式表示被动进行； 过去分词表示被动完成。 7：动词-ing形式的被动结构可用于独立结构中： 在绝大数情况下，-ing的逻辑主语是句子的主语，但有时前可有一个名词或代词作逻上的主语，这种带逻辑主语的称为独立结构。如： The meeting being over, we all left the room and drove home. 　 会议结束后，我们都离开房间开车走了。 It being a holiday, all the shops were shut. 由于今天是假日，所有商店都关门了。 ※ 动词-ing形式的被动式在独立结构中和其逻辑主语是被动关系 All the compositions having been written and collected , the teacher sent the students home. 有少数-ing并不表示句子主语的动作，而是表示说话人的态度。 Generally speaking, the novel is not very inspiring. 总的来说，这部小说并不感人。 Judging from what you say, he ought to succeed. 从你说的情况看，他应能成功。 动词-ing形式的用法回顾 用法1 用法2 用法3 Ⅱ、Multiple choice questions 1. --- What made Bill so angry? --- ___. His girl friend promised to come at 8:30, but she hasn’t come yet. A. Having kept waiting B. Being kept waiting C. To be kept wai