动名词和不定式作主语的区别

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1、动名词和不定式作主语的区别:动名词表一般习惯性, 抽象的多次的动作；不定式表示一次性或尚未发生的动作.(有时可互换)Eg:1).Teaching English is my full-time job.2).Smoking means wasting a lot of money.3).Getting up early is good for our health.4).To save money now is not easy.5).To talk to her is to talk to a wall.注意：1. 主语和表语/宾形式保持一致。Eg: 1).Seeing is believi

2、ng. =To see is to believe.2).Saving is having.2.为了保持句子的平衡，采用it 作形式主语代to do / doing ,常用句型：Its no use / good /need +doing Its useless /worthwhile +doingEg:Its no use waiting here. Its no good helping him.Its +adj+for sb+ to do sthEg:Its difficult for him to finish the hard work in a week.3.There is no

3、 +doing (常用doing 作主语)，相当于It is impossible to do sth.Eg:There is no getting along with him.4.句中it作形式主语，than前后应构成对等关系。Eg:1).Its easier to read a foreign language than to speak it .2).Reading a foreign language is easier than speaking it.5.单个动名词作主语时，谓语用单数形式，若有and 并列多个动名词作主语时，谓语复数。Eg:Smoking and drinking are harmful to our health.