动词的ing形式和不定式形式作主语

问题描述:

动词的ing形式和不定式形式作主语
什么情况下应动词的ing 形式作主语?
什么时候用不定式作主语?
能否举个例子?

1.Playing basketball is my favourite sport.
2.To get a better education for their children is the wish of most of the parents.