Question

动词不定式作主语与动名词作主语有什么区别?

Answer 1

不定式作主语通常表示一次性、未来的且具体的特指动作.

而动名词作主语通常表示习惯性、经常性和不具体的泛指动作.

动名词作主语和不定式作主语有时可以互换,例如:It is dangerous playing (to play) with fire.

Seeing is believing. / To see is to believe.