happen的过去式和过去分词是什么

　　happen有出现;发生的意思，那么你知道happen的过去式和过去分词是什么吗?下面是学习啦小编为你整理的happen的过去式和过去分词的相关资料，希望对你有所帮助!

　　happen的过去式和过去分词

　　过去式： happened

　　过去分词： happened

　　vi.发生; 碰巧; 出现; 偶然遇到

　　happened的造句

　　1. Mechanization happened years ago on the farms of Islay.

　　数年前，艾莱的农场就实现了机械化。

　　2. It happened at Stamford Bridge one murky November afternoon.

　　这发生在11月一个阴沉的下午，斯坦福德桥上。

　　3. Her son used sign language to tell her what happened.

　　她儿子用手语告诉她发生了什么事。

　　4. Elaborate efforts were made to reconstruct what had happened.

　　为重现当时的情景，他们做了大量细致的工作。

　　5. An investigation is underway to find out how the disaster happened.

　　调查已经展开，以查明灾难是如何发生的。

　　6. He gave a detailed account of what happened on the fateful night.

　　他详细描述了那个灾难性夜晚所发生的事。

　　7. "What's happened to her?" — "I'm sure she won't be long."

　　“她怎么回事?”——“我相信她快到了。”

　　8. I remember now. He arrived just at the moment it happened.

　　现在我想起来了，他恰恰在事情发生的时候到了。

　　9. We happened to discover we had a friend in common.

　　我们凑巧发现我们有一个共同的朋友。

　　10. The accident happened on a notorious black spot on the A43.

　　事故发生在A43号公路上一个出了名的事故多发地段。

　　happen的用法

　　happen是不及物动词,它的用法常见的有如下几种情况：

　　1.表示“某地(某时)发生了什么事”,常用“sth.+ happen +地点/时间”这一结构来表达,此时主语应是事情.例如：

　　The story happened in 2003.这个故事发生在2003年.

　　An accident happened in that street.那条街上发生了一起事故.

　　2.表示“某人出了某事(常指不好的事)”,要用“sth.+ happen+to sb.”这一结构来表达.例如：

　　A car accident happened to her this morning.今天上午她发生了交通事故.

　　What happened to you?你怎么啦?

　　3.表示“某人碰巧做某事”,要用“sb.+ happen+ to do sth.”这一结构来表达.例如：

　　I happened to meet a friend of mine in the street yesterday.昨天我碰巧在街上遇到了我的一个朋友.

　　4.happen表示“碰巧或恰巧发生某事”时,还可用“It happens / happened that...”这一结构来表达.例如：

　　It happened that Brian and Peter were at home that day.碰巧那天布莱恩和彼得在家了.

　　It happened that he had to take part in a meeting that afternoon.碰巧那天下午他不得不参加一个会议.

　　注：that从句中的主语是人时,此种结构可以与“sb.+ happen + to do sth.”结构互换.例如：

　　It happened that Brian and Peter were at home that day.= Brian and Peter happened to be at home that day.