happen to do sth happen的各种形式及用法 与其有关的常用短语
问题描述：
happen to do sth happen的各种形式及用法 与其有关的常用短语
答
happen 不及物动词,因此它不用于被动态.1.sth happen 发生了sth A serious accident happened yesterday.昨天发生了一起严重的事故2.sth happen to sb 某人发生了某事 An accident happened to him yesterday.他昨天...