It is no use to eat eggs 和 It is no use to eating eggs 有什么区别吗?
(1) 不能说: It is no use to eating eggs
(2)It is no use to eat eggs . = It is no use eating eggs .
It是形式主语, is 是系动词, no use 是表语, to eat eggs (动词不定式短语)和 eating eggs (动名词短语)是真正的主语。