必修四unit动名词作主表和定语

1、动名词作主语、表语(bioy)和定语unit2 Grammar共三十六页学习(xux)目标1.理解动名词的各个形式2. 掌握动名词作主语、表语和定语的用法3. 运用动名词的复合结构共三十六页自学(zxu)指导共三十六页-ing form动名词分词(fn c)动名词：在句子中起名词作用(zuyng)，可作主，宾，表，定的成分。共三十六页合作(hzu)探究共三十六页 动名词由 “doing” 构成, 可以带宾语或状语构成动名词短语, 没有人称(rnchng)和数的变化, 但有时态和语态的变化。Grammar共三十六页 一. 动名词的五种(w zhn)形式一般式doing, 否定式not doing

2、, 被动式being done, 完成式having done,完成式的被动式having been done动名词Grammar注意：被动式、完成(wn chng)式和完成(wn chng)式的被动式也有否定式，在前面加not。共三十六页分词(fn c)的形式 主动形式被动形式一般式(not)doing(not)being done完成式(not)having done(not)having been done共三十六页展示(zhnsh)点拨共三十六页 一. 动名词做主语的用法 动名词做主语往往表示经常性、习惯性的动作, 在口语中也可以(ky)表示具体的动作。如： Seeing is bel

3、ieving. Helping her is my duty.动名词Grammar共三十六页1. Talking to him is talking to a wall.2. Smoking may cause cancer. 3. Walking is my sole exercise. 4. Talking mends no holes. 对他说话(shu hu)等于对牛弹琴。吸烟(x yn)会致癌。（谚）空谈无济于事。散步是我唯一的运动。共三十六页 Working with you is a pleasure. 和你一起工作(gngzu)是一种乐趣。 动名词做主语和不定式做主语一样，也可

4、以用it作形式主语。如： Its rather tiring walking around in a city.共三十六页 不定式做主语往往表示具体的特别是将来的动作(dngzu)。如： Its no use crying over spilt milk. 覆水难收。 He realized that to go on like this was wrong.（指抽象(chuxing)动作）（指具体动作）共三十六页It is no use doing做某事是没用的It is no good doing做某事是没有(mi yu)好处的It is a waste of time doing做某事是

5、浪费时间It is useless/ fun/ nice/ dangerous doing共三十六页【考例】 1. What do you think made Mary so upset？ _ her new bicycle（1997上海高考题） A. As she lost B. Lost C. Losing D. Because of losing 共三十六页 解析：losing her new bicycle是句子的主语，谓语made her so upset被省略，losing 在此表示(biosh)具体的动作。 共三十六页2.Doing morning exercises_ goo

6、d for your health. 做早操对你的健康(jinkng)有好处。is注意(zh y)动名词作主语，谓语动词用单数共三十六页 二、动名词作表语的用法 动名词作表语时放在系动词之后，用来泛指某种动作或行为，以说明主语的身份(shn fen)、性质或情况。如： Her hobby is painting. 她的业余爱好是画画。 My job is looking after the children. 我的工作就是照顾这些孩子。共三十六页 1. Johns bad habit is _ without thorough understanding. A. read B. being r

7、ead C. to be read D. reading2. Charlies job was entertain people, wasnt he?entertaining共三十六页三、动名词作定语(dngy)的用法 单个动名词作定语位于被修饰名词的前面，既可以表示被修饰者的作用或功能，也可以表示被修饰者的动作或状态。如： building materials = materials for building 建筑材料 a swimming pool = a pool for swimming a sleeping car =a car for sleeping共三十六页drinking w

8、ater = water for drinking 饮用水a walking stick = a stick for walking 手杖(shuzhng)a reading room = a room for reading 阅览室a writing desk = a desk for writing 写字台共三十六页 a drinking cup a cooking pan a dancing hall a washing machine饮水(ynshu)杯煮饭锅舞厅(wtng)洗衣机共三十六页拓展(tu zhn)提高共三十六页 动名词的复合(fh)结构：形容词性物主代词或名词所有格+动名

9、词作主语、宾语1. Would you mind Toms opening the door?2. His visiting made me surprised.3. Nothing will prevent my playing the computer games. 共三十六页He didnt deny _(汤姆偷了车)._ was praised.(他照顾老人)I cant imagine _(他对老师(losh)的粗鲁).Toms stealing a carHis looking after the old manTom stealing a carhis being rude to

10、 the teacherhim being rude to the teacher共三十六页达标(d bio)训练共三十六页1. _ provides us with essential nutrients (营养(yngyng), while _ provides us with oxygen. A. To eat; breathing B. Eating; to breathe C. Eating; breathing D. Eaten; breathed共三十六页2. My habit is _.A. get up early B. to get up earlyC. got up ea

11、rly D. getting up early3.The _ machine is used for _. A. washed, washing B. washing, washing C. washing, washed D. washing, to wash共三十六页4. Writing stories and articles_ what I enjoy most. A. is B. are C. was D. were 5. Could you mind _ here? A. my smoking B. to smoke C. smoked D. smokeme smoking共三十六

12、页6. The old man needs a _ stick.A. walk B. walked C. walking D. to walk7. I would appreciate _ to see me. A. you to come B. you come C. your coming D. youre coming共三十六页8. _ others is a pleasure.A. Help B. Helped C. To help D. Helping9. My hobby is _stamps.A. collect B. collecting C. collected D. col

13、lectionCollecting stamps is my hobby.共三十六页10. _ the work alone surprised me. A. He did B. He doing C. His doing D. Him doing11. I can hardly imagine _ across the Atlantic Ocean in a week. A. him sail B. him to sail C. him sailing D. he sailinghis sailing共三十六页12. The woman found it no good _ her daughter too much money. A. giving B. being given C. given D. gave共三十六页课后作业(zuy)共三十六页HomeworkReview this part of language points共三十六页内容摘要动名词作主语、表语和定语。动名词：在句子中起名词作用，可作主，宾，表，定的成分。完成式的被动式having been done。注意：被动式、完成式和完成式的被动式也有