动词短语什么时候做主语比如这道题()sweet food makes you fat

问题描述:

动词短语什么时候做主语比如这道题()sweet food makes you fat
eat too much
eating too much
eating much too

动名词短语或者不定式如果不是很长,不影响句子表达,可以做主语.前者如你的例子eating too much can make you fat,后者如to err is human.该怎样判断他做主语?从意思上,很容易就能看出来,说的是什么,什么就是主语。语法的学习不能脱离文章自身的意义。