人教新课标高中英语必修四－Unit4 Body language Grammar 课件 (共33张PPT).ppt

To finish the exercises on P29. homework Grammar V-ing 在语法功能上相当于名词、形容词和副词。现在分词通常和逻辑主语之间存在主动关系。但要注意它地各种形式变化： 主动形式 被动形式 V-ing being V-ed having V-ed having been V-ed 现在分词做状语 一般式 完成式 现在分词作状语 现在分词作状语往往和逻辑主语之间存在主动关系。现在分词作状语，常常用来表示原因、时间、方式、结果、条件、伴随状况等。现在分词一般不用作表目的的状语（通常用不定式表目的地状语）。 1) 表原因状语 Being ill, he didn’t go to school. (=as he was ill, he didn’t go to school.) Being a student, you should study hard. (=Since you are a student, you should study hard.） 既然你是一个学生，你就应该努力学习。 由于想到它或许在家，所以我就给他打了电话。 Thinking he might be at home, I called him. (=As I thought he might be at home, I called him.) Walking in the street, I came across an old friend of mine. (=When I was walking in the street, I came across an old friend of mine.) While waiting for the bus, he read a copy of China Daily. (=While waiting for the bus,he read a copy of China Daily.) 2）表时间状语 1. After I had written the letter, I went out to work. _______ _______ the letter, I went out to work. 2. After they had been shown around the factory , they returned to school. ______ ______ ______ around the factory , they returned to school. Having written Having been shown 1.当分别的时候，他不停地向我挥手。 When departing, he waved to me again and again. 2.找到旅馆之后,他们就开始找餐馆. Having found (=after finding) a hotel , they began to look for a restaurant. 3.由于没收到回音,我决定再给他写一封信 Not having got an answer, I decided to write him another letter. 3)表方式、伴随情况地状语 ：作伴随状语的分词表示的动作，必须是主语的一个 动作，或是与谓语所表示地动作（或状态）同时发生，或是对谓语表示地动词（或状态）作进一步地补充说明。 Eg. He sat on the sofa, watching TV. (=He sat on the sofa, and watched TV.) Eg. They eat using the fingers of their right hands. (=They eat by using the fingers of their right hands. 他们笑着谈着走进了教室。 __________________ , they went into the classroom. 他斜靠(lean)着墙站着。 He stood leaning against the wall.(＝He stood and leaned against the wall.) Laughing and talking 4) 表结果 通常放句末，用逗号隔开，表示自然而然的结果 Eg. Her mother died in 1990, leaving her with her younger brother. (=Her mother died in 1990, and left her wit