buy的过去式写是bought.
bought：
v.买;购买;够支付;买通;收买;贿赂。
buy的过去分词和过去式。
扩展资料
Theyve bought themselves a new car.
他们给自己买了一辆新车。
She bought a small plot of land to build a house.
她买了一小块地盖房子。
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。
We can deduce a lot from what people choose to buy.
从人们选购的`东西可以作出多方面的推断。
It seems only reasonable to ask students to buy a dictionary.
要学生买一本词典，好像也没什么不合情理。
