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

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 sb.happen to do sth. happen to do sth什么意思 happen to do sth的汉语是什么? happen 有 sth happen to sb或者sb happen to do sth 那么occur同样的用法吗? sth.happen to sb. happen to sb和happen to do sth 造句并解释造的句子 happen to do sth happen的各种形式及用法 与其有关的常用短语 happen to do sth 中 happen 是不及物动词,为什么还能加不定式做宾语? 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? sth.happen to sb.造句 occur to /happen toit occur to sb.to do sth ...与it occur to sb that从句..有何区别..it happen to do sth 与it happen to that 从句..有何区别 sb.+happen+to do sth.句型中不定式做什么成分? happen to do or happen doing? 用sth happen to sb 造句 do sth to do happen to do sth与do sth by accident一样吗如 I happened to see him.等同于I saw him by accident. 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