动词的ing形式作主语和宾语

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.