stay的过去分词为stayed，stay的基本意思是“保持同样状态或者停留在同一地方”,可指人或使人等停留、居住、留宿、暂住某处或某段时间,也可指人、天气等保持某种状态。

stay的过去式例句：

1.That was the first time Elliot stayed out all night.

那是埃利奥特第一次彻夜未归。

2.Henry generally stayed ahead of the others in the academic subjects.

亨利的文化课成绩通常都优于其他学生。

3.A small group of youths stayed behind to heckle and shout abuse.

一小群小青年没走，在起哄、叫骂。

4.Government employees and officers also stayed away from work during the strike.

政府雇员和官员在罢工期间也没去上班。

5.He mostly stayed at home tucking up the children.

他主要待在家里，帮孩子们盖好被子睡觉。

6.I saw other indistinct shapes that stayed out of vision.

我看见另有一些模糊的影子晃了一下就不见了。

7.They stayed, safe and happy, within their own social milieu.

他们幸福无忧地呆在自己的社交圈子里。

8.So what if sometimes they stayed rather late, it doesn't mean anything.

因此，即便有时他们熬夜到很晚，那也说明不了什么。

9.Philip stayed at the hotel, according to Mr Hemming.

据亨明先生所说，菲利普住在旅馆里。

10.I stayed obstinately in my room, sitting by the telephone.

我执意呆在房间里，坐在电话机旁边。