高考英语非谓语动词考点透视

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●过去分词 done （无变化） ●所有非谓语动词的否定形式都是把否定副词not,never放在非谓语动词的前面。 2.?三种非谓语动词形式句法功能比较 考点一：非谓语作主语。 1. 在很多情况下没有明显的不同. Seeing is believing.=To see is to believe. 2. 不定式做主语表示某一次具体的,特定的或有待实现的动作, 而动名词则表示通常的

情况. eg:To tell him the truth would be the best. / Painting is an art. 动词不定式（短语）作主语时，另一种形式是在句首用先行代词it作形式主语，而将动词不定式（短语）移到谓语之后作真正主语。用于这种形式是一些特定形容词，动词和名词1)形容词作表语It is adj/n.(for sb.) to do sth. （常见的形容词是：necessary,imp ortant,possible等） It is adj./n.(of sb.) to do sth. (常见的形容词是clever,stupid,fo olish,wise,cruel等) 2)常见的动词有：require, cost, amuse, delight, annoy等 eg: It takes much time to do sth./ It didn’t occur to me to ask him to help me. 3)一些名词作表语 eg: It seems a pity to waste them./It is a great pleasure to do this./It is a good idea to think this way 动名词做主语时常用的句型有： It is nice doing sth./It’s foolish doing sth./It is useless doing that/It’s a waste of time doing this.

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