happen to do sth的汉语是什么?

happen to do sth的汉语是什么? sb.happen to do sth. happen 有 sth happen to sb或者sb happen to do sth 那么occur同样的用法吗? happen to sb和happen to do sth 造句并解释造的句子 happen to do sth 中 happen 是不及物动词,为什么还能加不定式做宾语? happen to do sth什么意思 happen to do sth happen的各种形式及用法 与其有关的常用短语 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? it happen to sb that 和 sb happen to do sth 表达的意思一样么我知道有 sth happen to sb 某人发生某事 .sb happen to do sth .某人碰巧做某事.但 it happne that ...表示是碰巧还是发生呢 做好有例子 happen 固定搭配 ：是sth happened to 前面happen一定要用过去式的形式吗 worth the effort to do sth 的汉语意思是什么 spare no trouble to do sth.的汉语意思 sth.happen to sb. 4,happen to do sth 5,as (so) as to do sth 6,manage to do sth 7,mean to do sth/ mean doing sth 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~ spend的用法 是TO DO STH 还是DOIN STH sb.happen to do sth.意思辨析是“某人碰巧要去做某事”还是“某人碰巧做某事”? waste的用法waste sth. in doing sth.是doing还是to do还是waste sth. to do sth.