第三人称单数: buys现在分词: buying过去式: bought过去分词: bought
We make sure our clients get the best that money can buy.
We need to buy some new furniture.
They've bought themselves a new car.
I went to buy a paper at the corner dairy.我到街角的小店去买了份报纸
You'll have to choose whether to buy it or not买还是不买，你得作出选择