doing 和 to do做主语时的区别,急用!

doing 和 to do做主语时的区别,急用! to do 和doing做主语的区别 to do和doing 做主语的区别 to do和doing做主语的区别 To do和Doing做主语的区别,什么时候用To do,什么时候用Doing? to do和doing 做主语有什么区别? to do sth 做主语与 doing sth 做主语的区别? to do 和 doing 充当主语有什么区别? feel like doing和 feel like to do 的区别稍微简单点说哈我记得好像一个是人做主语 一个物做主语~ to do和doing做开头区别 to do和to doing的区别 it is fun to do和it is fun doing区别也就是说不定式与动名词作主语的区别 to do和doing的区别 doing和to do的区别 doing和to do的区别 to do 和doing放句首的区别 by means of,to do/doing 作主语谁能给我举一些by means of 做主语的句子,还有to do /doing 作主语的句子,我还想知道当这些作主语时,谓语的变化, to做介词和做不定式标志的区别to do 和to doing 的区别?实例最好