happen的ing形式是happening。happen是英文單詞，主要用作動詞，作動詞時中文含義是：發(fā)生；碰巧；恰好；遇到。happen的英式讀音是[?hæp?n]，美式讀音是[?hæp?n]。
一、happen詞性變化
第三人稱單數(shù)： happens
現(xiàn)在分詞： happening
過去式： happened
過去分詞： happened
二、happen雙語例句
1.At least give him the opportunity of explaining what happened.
至少要給他機(jī)會解釋一下發(fā)生了什么事。
2.Unless something unexpected happens, I'll see you tomorrow.
如果不出意外，我明天去看你。
3.We didn't want this to happen.
我們并不希望發(fā)生這樣的事情。
4.No one knows for sure what happened.
誰也不知道究竟發(fā)生了什么事。
5.We watched to see what would happen next.
我們注視著下一步要發(fā)生的事情。
6.It's the best thing that has ever happened to me.
這是我所遇到的最好的事。
