buy的过去式是什么（buy 的过去式形式怎么写）

buy的过去式是bought。

buy [baɪ]，中文意思:v. 买，购买，收买，买通等。例句:I'll buy a book for my sister.(我要给我妹妹买本书。)

词组: buy into 相信，接受。

buy off 收买。

buy out 买下…的产权或股权。

buy的现在分词:buying

buy的过去式: bought

buy的过去分词:bought

buy的第三人称单数: buys