否定式 not +动名词
Playing football is my favorite sport.Travelling with friends at weekend is fun. 作主语的动名词结构复杂且长时，可用it作形式主语。如：It is fun travelling with friends at weekend.
I enjoy playing PC game.He gave up writing five years ago.
What he hated most was doing nothing.Seeing is believing. 动名词作表语时，句子的主语常是无生命名词或what引导的名词性从句。
There’s a dining room in my school.All the people watching laughed.
Tom’s going home late made her mother angry.Would you mind my opening the window? 不过，动名词的逻辑主语在遇到以下情况时，必须用名词的普通格（或人称代词的宾格）。
The girls were afraid of the door suddenly closing.Fire burns better by oxygen being at work.
Have you ever heard of girls smoking?
Do you still remember my parents and me coming to see you that day?
mind介意, enjoy喜欢, finish完成, consider认为, practise实践, magine想象, keep保持, suggest建议, advise建议, allow允许, permit, be worth doing值得做…, be used to doing习惯于…, be busy doing忙于…,can’t help doing禁不住……, it is no good doing, it is no use doing,look forward to doing盼望…, stick to doing坚持…, pay attention to doing注意…,devote to doing, lead to doing
例１ She says she doesn’t feel like ____ out with you.
A going B to go C for going D went
解析：该题正确答案为A。feel like = want, 此处like 为介词，后面要接名词或动名词作宾语
例２ The garden needs ____.
A water B watering C to water D watered
解析：该题正确答案为B。need = want = require. 如果物作主语，此三者后要接动名词或to be done这一结构作宾语。
例３ Excuse me ____ you.
A interrupting B to interrupt C interrupted D to have interrupted