happen to dohappen to be doing happen to have done翻译下,还有没有其他的词语也能这样用,这种用法叫什么名字,再多举些例子

happen to dohappen to be doing happen to have done翻译下,还有没有其他的词语也能这样用,这种用法叫什么名字,再多举些例子 请问是anything didn't happen to...还是something didn't happen to... happen to happen to happen to you don't happen to know the time,do you happen to ,happen 怎么用? Excuse me,what_____just now?Sorry,I don't.A.to happen B.did happen C.is happening D.happened happen to和happen at的区别： happen to do or happen doing? happen with和happen to的区别 What happen to happen to sb 意思 sth.happen to sb. happen to sb 造句 happen to 的用法 happen to sb.是什么意思? happen to be doing