麻烦用on one,s own .by oneself .alone造三个

麻烦用on one,s own .by oneself .alone造三个 by oneself ,on oneself,for oneself 和on one's own,by one's ow on one's own by oneself 有什么区别? by oneself 和on one's own有什么区别? by oneself 与on one's own 有什么区别? on one's own,personally和by oneself那几个和by oneself意思相同的? by oneself=on one‘s own那等不等于on oneself by oneself 等不等于 in person等不等于 on one's own? by one's own on one own by one own 区别 do one’s own homework 的同义短语是不是do homework by oneself? on one's own