buy的第三人称单数形式是buys。因为y前面的u不是辅音字母，而是元音字母，所以就不必把y变i加es了，直接将s加在buy的后面，变buys即可。buy是一个英语单词，名词、动词，作名词时意思是“购买，买卖；所购的物品；合算的东西”，作及物动词时意思是“购买；获得；贿赂；相信”，作不及物动词时意思是“买，采购”。例句：I bought him a drink in return for his help.我请他喝酒以酬谢他的帮助。
buy：英[baɪ]；美[baɪ]
v.购买；买；够支付；买通；收买；贿赂；付出极大的代价而获得；相信
n.购买；合算的商品；买进(或出售)的东西
第三人称单数：buys
现在分词：buying
过去式：bought
过去分词：bought
1、We buy our fruit and vegetables at the market.
我们在市场上购买水果和蔬菜。
2、You can buy our goods over the Internet.
可以通过互联网购买我们的货品。
3、Now is a good time to buy a house.
现在买房子正是时候。
4、He gave his children the best education that money can buy.
他让孩子们接受花钱能买到的最好的教育。
5、We might buy it but then again we might not.
我们可能买，不过也可能不买。
6、We're buying a new TV with the money.
我们要用这笔钱买一台新电视机。
7、I want to buy a present for my mother and father.
我想给爸爸妈妈买件礼物。
8、It would be more economical to buy the bigger size.
买尺寸大点的更实惠。
9、We make sure our clients get the best that money can buy.
我们确保客户买到最好的产品。
10、You would do well to consider all the options before buying.
你购买之前最好对各种选择都考虑一下。
11、We need to buy some new furniture.
我们需要买一些新家具。
12、They've bought themselves a new car.
他们给自己买了一辆新车。
13、I went to buy a paper at the corner dairy.
我到街角的小店去买了份报纸。
14、You'll have to choose whether to buy it or not.
买还是不买，你得作出选择。
15、Could you watch my bags for me while I buy a paper?
我去买份报纸，你能替我照看一下我的包吗？
16、She bought a small plot of land to build a house.
她买了一小块地盖房子。
17、We're going to splash out and buy a new car.
我们打算挥霍一下，买辆新车。
18、I need to buy paper and pencils,that kind of thing.
我需要买纸和铅笔之类的东西。
19、Talk about mean!She didn't even buy me a card.
这才叫吝啬呢！她连张贺卡都没给我买。
20、My own feeling is that we should buy the cheaper one.
我个人的意见是我们应该买较便宜的那个。
标签：buy,第三人称,单数
