1、 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 , 在口语中也可以表示具体的动作。如： Seeing is believing. Helping her is my duty.GrammarTalking mends no holes. 空谈无济于事。Working with you is a pleasure. 和你一起工作是一种乐趣。动名词做主语和不定式做主语一样，也可以用 it作形式主语。如： Its rather tiring walking around in a city.不定式做主语往往表示具体的特别是将来的动作。如： Its no use crying
2、over spilt milk.覆水难收。He realized that to go on like this was wrong.（指抽象动作）（指具体动作）【 考例 】 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 解析： losing her new bicycle是句子的主语，谓语 made her so upset被省略， losing 在此表示具体的动作。 二 . 动名词作宾语的用法
3、 1有些动词或短语动词后常用动名词作宾语。如 admit, appreciate, avoid， cant stand（不能忍受） , consider， delay, devote to, dislike enjoy， escape, excuse, feel like, finish, forgive, get down to, give up,imagine. insist on, keep (on), look forward to, mention, mind, miss（错过） , pay attention to, practice, put off, stick to, sug
4、gest等等。 Doing morning exercises is good for your health. 做早操对你的健康有好处。Her shoes wants mending. 她的鞋该修理了。注意 : 当 need, want, require, worth后面接 doing也可以表示被动。Your hair wants cutting. 你的头发该理了。The floor requires washing. 地板需要冲洗。I have finished writing this book.我已经写完这本书了。【 考例 】I cant imagine _ that with them（ MET 1986） A. do B. to do C. being done D. doing She looks forward every spring to _ the flower-lined garden（ 1995上海高考题 ） A. visit B. paying a visit C. walk in D. walking in 解析： 考查短语动词 look forward to 后跟动名词作宾语的用法。
