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1、1.动名词（gerund)Vs 不定式（infinitive)两者均可以做主语，宾语，或表语但是动名词表示一般性或经常性不定式表示具体的某次行为或某个特定的动作 Smoking is harmful to your health.Its not good for you to smoke so much today.I like singing.I like to sing in this hall.My job is teaching English.My job is to teach you how to pronounce these difficult sounds.有时两者可以交替
2、使用，而且意思上没有多达区别 What she likes is watching the children play.What she likes is to watch the children play.但有时不可以交替使用。Swimming in summer is interesting.To swim in summer is interesting.2.stop,remember,forget,try,regret,go on 等加动名词和不定式1）他忘了去年曾见过她。He forgot meeting her last year.他忘了要去见她。He forgot to mee
3、t her.2)你还记得曾答应过我那件事吗？Do you still remember promising me that?一定要记住今晚要打电话给你的老师。Do remember to phone your teacher tonight.3)regret doing 表示对已经做得事感到 后悔 regret to do 表示抱歉，遗憾我后悔说了这话。I regret saying this.我很遗憾地告诉你我不能来了。I regret to tell you that I cannot come.4)try doing 试一试 try to do 设法，尽量我们必须设法及时把一切都搞好。W
4、e must try to get everything done in time.让我们试着用另一种方法来做这项工作。Lets try doing the work in another way.5)stop,quit,go on +doing 表示停止或继续做某事 stop,quit,go on +to do 表示停止前一个动作而去做后一个动作让我们继续朗读这首诗歌Lets go on reading the poem.让我们接下来该朗读这首诗歌。Lets go on to read the poem.6)mean+doing 意味着 mean+to do 企图，打算这意味着再等一年。Th
5、is means waiting for another year.他原打算等车去那里，但是她的车抛锚了。He meant to drive there,but his car broke down.7)need,want,require+doing 表示被动含义 如同 be worth+doing这房子去要油漆了。The house needs painting.The house needs to be painted.这台电脑需要检查了。The computer wants examining.The computer wants to be examined.8)be afraid of doing 害怕某种后果 be afraid to do 不敢做某事她害怕落在别人后面。She is afraid falling behind the others.她怕在黑地里走路。She is afraid to walk in the darkness.3.动词不定式和分词均可做定语，但表示不同的时间概念She will buy the house to be built here.She will buy the house being built here.She will buy the house built here.