买用英语怎么说过去式

"Buy" 的过去式是 "bought"，它是由 "buy" 动词的过去分词 "bought" 变化而来的。下面是几个例句：

I bought a new car last week.
我上周买了一辆新车。

She bought some flowers for her mother.
她买了一些花送给她的母亲。

They bought a house near the beach.
他们买了一栋靠近海边的房子。