is to do与is doing区别

is to do与is doing区别 It is for sb to do sth 与It is doing sth的区别 It is no use doing sth与It is no use to do sth的区别. it is no use to do 与it is no use doing 有什么区别? There is no use to do与 It is no use doing的区别There is no use to doIt is no use doing 是这么用吗? it is no use doing sth.与it is no use to do sth.的区别还有there is no use doing sth.与它们的区别 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 there is no point to do 与in doing的区别 it is whothwhile to do 和 doing 区别 It is useless doing 或to do 有什么区别 it is fun to do 与it is no fun doing 与 it is fun doing三者的区别是什么? there is no need to do sth.与 there is no need doing sth.有什么区别? it is adj.to do sth.it is adj.doing sth.有什么区别it is adj.to do sth.it is adj.doing sth.有什么区别? is committed to do 还是to doing is subject to do 还是to doing? do nothing but do there is nothing to do but do/doing用哪个?举例说明.它与nothing but有什么区别 there is sth to do和there is sth doing 的区别 it is nice doing和it is nice to do有什么区别