遇到时间段瞬间动词变为延续性动词只用于现在完成时吗?

用于现在完成时和过去完成时.
例如：
He bought this book three years ago.
---He has had this book for three years.
---He said he had had that book for three years.
再问： 其他时态不能用吗 具体
再答： 只要是和时间段连用，短暂性动词都必须转化为延续性动词。 时间段一般是用于完成时态，即现在完成时和过去完成时，其它时态不多见。