Question

我突然脑子短路了，想不起来一道题目，就是 我两小时前买了一支笔，和他两小时前买了一支笔的英文分

我突然脑子短路了，想不起来一道题目，就是 我两小时前买了一支笔，和他两小时前买了一支笔的英文分别怎么写？

Answer 1

I bought a pen two hours ago我两小时前买了一支笔
He bought a pen two hours ago他两小时前买了一支笔

Answer 2

I bought a pen 2 hours ago. He bought a pen 2
hours ago.

追问

过去式不是三单加s吗？