动词的ing形式作主语和宾语.ppt

1、1性质：它具有动词的特点，但在句子中起着名词、形容词、副词的作用，充当主语、表语、定语、宾语、宾语补足语、状语的作用 即：做除谓语以外一切成分。,非谓语动词,在动词-ing前加not Thank you for not smoking. His not coming made everyone very disappointed.,动词-ing形式的否定形式：,动词的ing形式作主语，表语和宾语,什么是主语(subject)？ 什么是宾语 (object)？,He likes his dog.,主语,宾语,Swimming is my interest.,I like reading.,主语,

2、宾语,结论,_不能作主语和宾语 _可以作主语和宾语,动词原形,动词的ing形式,1 动词-ing形式可直接置于句首作主语，谓语动词用单数。 Seeing is believing. 眼见为实。,A. 动词的ing形式作主语,Dancing is their hobby.,dance,hobby,Biting nails is not a good habit.,bite nails,habit,Doing exercise is the best way to lose weight.,do exercise,lose weight,2 为了保持句子平衡，通常用先行词it作形式主语，而把真正的

3、主语放在句末。 此类句型有：,总结：用it作 主语，而把真正的主语 移置句尾。,It is no use/ useless doing sth It is no good doing sth.做.是没有好处的 It is worthwhile doing sth It is pleasant doing sth It is a waste of time doing sth,做是没有用的。,做是值得的。,做是有乐趣的。,做是浪费时间的,形式,动词ing形式,It is no use useless doing sth 做是没有用处的。,It is no use .,trying to esca

4、pe,It is/was worthwhile doing sth 做是值得的。,It is worthwhile .,seeing the film,It is/was a waste of time doing sth 做是浪费时间的。,It is a waste of time .,playing computer games,It is/was pleasant doing sth 做是有乐趣。,It is pleasant .,playing with friends,It is no use trying to escape. It is worthwhile seeing the

5、 movie. It is a waste of time playing computer games. It is pleasant playing with friends.,1 表示主语的内容。此时，主语表语位置可互换 Her job is keeping the baby. =Keeping the baby is his job. 2 表示主语具有的特征 The problem is quite puzzling.,B. 动词的ing形式作表语,1.作介词的宾语。 2.作及物动词的宾语。,C. 动词的ing形式作宾语,结论：凡是介词后面加动词时，一律用动词的ing形式。我们把这种情

6、况称作动词的ing形式作介词的宾语。常用的短语有：,be fond of喜欢; be tired of厌倦; give up放弃; be interested in对感兴趣; look forward to盼望; lead to导致; pay attention to注意; be used to 习惯于,注意：凡是固定短语里面带的to都是介词，而不是不定式，所以它后面的动词要用ing形式。,dream of,Jia Laolian always dreams of _ the mouse.,catching,catch,Jia Laolian enjoys _ watermelon in su

7、mmer.,eating,结论：有些动词后只能跟动词的ing形式，我们把这种情况称作动词的ing形式作及物动词的宾语。,只能跟动词的ing形式作宾语的常用动词及词组有： admit承认, avoid避免, consider考虑, dislike不喜欢，enjoy喜欢, escape逃跑, finish完成, keep继续，mind介意, suggest建议, imagine设想, practise练习，give up放弃，cant help禁不住，feel like想要做,Correct or not?,Would you mind opening the window?,Would you

8、mind open the window?,Pay attention: mind后必须接动词的ing形式,Correct or not?,He is used to living in the countryside.,He is used to live in the countryside.,Pay attention: be used to是一个固定短语，里面的to是介词，而不是不定式，所以它后面的动词要用ing形式。,Correct or not?,I cant help laughing.,I cant help to laugh.,Pay attention: 词组cant he

9、lp后必须接动词的ing形式,Correct or not?,We look forward to seeing you.,We look forward to see you.,Pay attention: 介词to后面的动词要用ing形式,D. 动词的ing形式的复合结构,主要有两种： 1.形容词性物主代词/名词所有格+ V-ing形式， 如： I insist on Marys going there. 我坚持要玛丽到那儿去。 His being late for class made his teacher very angry.,2.在口语和非正式语体中，且做宾语时，常用人称代词宾格

10、或名词普通格+V-ing形式 例如： I dont mind Mary being late. The doctor does not mind me /my eating a little meat occasionally. 医生并不反对我偶尔吃一点肉。,用法 当v-ing形式作主语/宾语/表语，且它的逻辑主语不是句子的主语时，就需要使用v-ing形式的复合结构。,如：Doyoumindwaitinghere?你介意在这儿等会儿吗？wait的逻辑主语就是句子主语you，所以直接用 v-ing形式。 再如：Doyoumindmy/mesmokinghere?你介意我在这儿抽烟吗？smoke的逻辑主语是myme，而不是句子主语you，所以必须使用v-ing的复合结构。,Time for Practice,翻译练习,1. 学习英语非常有趣。 Learning English is very interesting. 2. 环游世界是她的梦想。 Travelling around the world is her dream.,3.在教育上花钱是值得的。 It is worthwhile spending money on education.