buy一般将来时

将来时：will buy

将来完成时：will have bought

过去将来完成时：would have bought

buy的过去时态 buy-bought-bought

buy的过去将来时有以下几种：

1、 would buy

2、 was/were going to buy

3、 was/were to buy

4、 was/were about to buy

buy 过去式和过去完成时都是bought buy的现在进行时buying buy的单三buys