buy是截止性(即瞬间)动词，它可以有完成时，如：I have bought this dictionary. 但是不能与表示较长的时间状语连用。如要讲我这本字典已买了3年了则要用have had这一结构即我拥有这本字典已3年了。
［误］ I have bought this dictionary for three years.
［正］ I have had this dictionary for three years.
［析］ buy是截止性(即瞬间)动词，它可以有完成时，如：I have bought this dictionary. 但是不能与表示较长的时间状语连用。如要讲我这本字典已买了3年了则要用have had这一结构即我拥有这本字典已3年了。
单词：bought的近义词、反义词、形近词辨析
bought/brought/fought/thought
记忆：
1. bought [ bC:t ] buy的过去式、过去分词 The book bought yesterday is fascinating.昨天买的书很有趣。
2. brought [ brC:t] bring的过去式、过去分词 The factory has brought in a set of new equipment.工厂引进了一套新设备。
3. fought [ fC:t] fight的过去式、过去分词 The farmers fought for their rights.农民们为权利而努力。
4. thought [ WC:t] think的过去式、过去分词 The farmers thought of many possible programs, and chose the best one.农民们想出了很多可能的方案，选择了最好的一个。
另类阅读：
He brought the book he bought last week. I thought he ought to/should/ was supposed to have brought the one we fought for yesterday. He wasn’t willing to, perhaps.
轻松一刻：
The child came to his mother crying.
"What's wrong, my boy?"
"Father was very careless and he hit his finger with the hammer."
"Then what are you crying for?"
"Because I laughed just now..."
与单词：bought 相关的例句或者名人名言
The boy bought a secondhand book from the old man.
男生从老头那买了一本二手书。
I had my mechanic inspect the car before I bought it.
在购买之前，我让技师先检查了一遍这部车。
I bought a new piece of white furniture to add beauty to my room.
我买了一套白色的家具以使我的房间更加美观。
I bought insurance for my car.
我给我的车上了保险。
I bought it for my mom.
这是为我妈妈买的。
※Love is neither bought nor sold. 爱情不能买卖。
※Wit once bought is worth twice taught. 亲身一次的经验，抵得上老师两次的教导。
