what happen to sb.后面的sb.用he,his,him中的哪一个?

what happen to sb.后面的sb.用he,his,him中的哪一个? what happen to sb 还是 what happened to sb happen to sb 意思 sth.happen to sb. happen to sb 造句 happen to sb.是什么意思? what has happen 和what was happen 和what happen有什么区别,它们后面都能加to吗? sb.happen to do sth. sth.happen to sb.造句 What happen to 用happen to do和happen to sb.造句 happen to sb.有这种结构吗? 用sth happen to sb 造句 求what happen to...用法 what's going to happen what happen后面要加什么词? happen 有 sth happen to sb或者sb happen to do sth 那么occur同样的用法吗? what happen to you?equal to：