原句：he buys a house.
1、一般现在时：he buys a house. 和原句一样。
2、一般过去时：he bought a house.
3、一般将来时：he will buy a house或者he is going to buy a house.
4、现在进行时：he is buying a house.感觉有点怪，好像在付款。哈哈。
5、过去进行时：he was buying a house.
6、现在完成时：he has bought a house.
7、现在完成进行时：he has been buying a house. 这句就是为了配合例句。实际意思与现实不符。
8、过去完成时：he had bought a house.
9、过去完成进行时：he had been bought a house.
这些句子的时间状语都没有加哦，只是配合你的要求改变了动词的状态。
记得给采纳哦。
