初三英语上册 第一单元语法 一、单元语法:动名词 1、动名词的概说:动名词其实就是动词ing形式,动名词的否定形式是在前面加not.动名词具有名词的性质,可以在句中作主语、宾语和表语等。同时,它又具有动词的特点,可以接宾语构成动名词短语,也可被副词修饰。 e.gliving in the city(动名词living后带宾语city)住在城市 reading aloud(动名词reading被副词aloud修饰)大声读 2、动名词的具体用法: 作主语:动名词作主语时一般也可用动词不定式。 e.gEating too much is bad for your health= To eat too much is bad for your health 吃得太多对你的身体没有好处。 Swimming in the river is dangerous= To Swim in the river is dangerous 在江河游泳是危险的。 注:动名词