动名词做主语的用法
动名词作主语用法如下:
1.动名词(短语)作主语,多指抽象的、概念性的动作,可以是多次的、经常性的行为。例如:
Playing with fire is dangerous.
玩火危险。
2.动名词(短语)作主语,谓语动词通常用单数。例如:
Reading aloud is very important for us to learn a foreign language.
大声朗读对我们学习外语是非常重要的。
3.动名词(短语)可位于句首或句末,位于句末时通常用it作形式主语。
下列句型中常用动名词作主语:
It+be+no use/good+doing sth.做……没有用
It+be+of little use/good+doing sth.做……几乎没有用
It+be+useless+doing sth.做……没有用
It be worth doing/It be worthwhile to do/doing做……是值得的
例如:
It is no use talking without doing.
光说不做没有用。
It is worth making an appointment before you go.
去之前预约一下是值得的。
注意:
动名词(短语)作主语时,如果要突出动名词(短语)的动作执行者,要在动名词(短语)前加上其逻辑主语,这个逻辑主语要用名词所有格或者形容词性物主代词,不能用名词的普通格或者人称代词宾格。例如:
Tom's coming won't be of much help.
Tom的到来不会起到很大的作用。
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