happen過(guò)去式：happened；過(guò)去分詞：happened；第三人稱單數(shù)：happens；現(xiàn)在分詞：happening。

happen

英[?h?p?n]，美[?h?p?n]

v.(尤指偶然)發(fā)生，出現(xiàn);(作為結(jié)果)出現(xiàn)，發(fā)生;碰巧;恰好

用法

happen是不及物動(dòng)詞。happen在中學(xué)英語(yǔ)教材中的用法主要有以下三種：

1."sth.+happen+地點(diǎn)/時(shí)間"，意為"某地/某時(shí)發(fā)生了某事"。例如：

An accident happened in that street.那條街發(fā)生了一起事故。

What's happening outside？外面發(fā)生什么事了？

2."sth.+happen to+sb."意為"某人出了某事(常指不好的事發(fā)生在某人身上)"。例如：

A car accident happened to him yesterday.昨天他發(fā)生了交通事故。

What happened to you？(=What was wrong/the matter with you？)你怎么啦？

3."sb.+happen+to do sth."意為"某人碰巧做某事"。例如：

I happened to meet her in the street.我碰巧在街上遇見(jiàn)她。

happen例句

1、We cannot say for sure what will happen.

我們無(wú)法確定會(huì)發(fā)生什么事。

2、She wondered what would happen if her parents found her.

她不知道如果父母找到自己會(huì)有什么結(jié)果。

3、If we had been spotted at that point,I don't know what would have happened to us.

如果當(dāng)時(shí)我們被發(fā)現(xiàn)了，我不知道會(huì)有什么后果。