happen to do sth happen的各种形式及用法 与其有关的常用短语

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. 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 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 it +happen+that+sb.有这个用法吗有在网上看到happen to 碰巧基本句式为：1.sb.+ happen+to do 2.it +happen+that+sb.+doeg.I happened to meet him yesterday.=It happened that I met him yesterday.昨天我碰巧遇见了他我想问,It hap 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.