to do sth 做主语与 doing sth 做主语的区别?

to do sth 做主语与 doing sth 做主语的区别? What about doing sth?的doing sth做主语吗? to do/doing做主语的区别 人做主语时,是spend to do sth还是spend doing sth 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 stop doing sth与stop to do sth的区别 decide doing sth.与decide to do sth.的区别? intend to do sth与intend doing sth的区别 continue to do sth.与continue doing sth.的区别? want to do sth与want doing sth 的区别