happen to 和 happen in有什么区别?是不是后接宾语时候,地点用happen in sp,而表示人或动物等个体用happen to,表示个体遭受了什么事情?

happen to和happen at的区别： happen with和happen to的区别 happen to happen to happen to 用happen to do和happen to sb.造句 happen to ,happen 怎么用? happen on 和 happen to 有什么区别正确. happen to 和 chance的区别 befall和happen to的区别是什么? happen to do or happen doing? happen to do和happen to be doing 的区别?顺便分别解释下.我问的是happen to be doing 不是happen to doing~ 问个关于happen的用法的问题.happen.不是happen to do sth.那么 碰巧去做,碰巧正做,和碰巧已做.是不是分别是happen to do,happen to doing,happen to have been? what has happen 和what was happen 和what happen有什么区别,它们后面都能加to吗? What happen to happen to sb 意思 sth.happen to sb. happen to sb 造句