We are pleased to learn that that problem (solve) __has been solved ______ at yesterday’s meeting.为什么不是solved,这是什么语法,考什么知识点
这里用的has been solved是【现在完成时的被动语态】.现在完成时的概念是【动作发生在过去,对现在造成的影响或结果】,强调【现在We are pleased】.
We are pleased to learn that that problem (solve) __has been solved ______ at yesterday’s meeting.为什么不是solved,这是什么语法,考什么知识点
这里用的has been solved是【现在完成时的被动语态】.现在完成时的概念是【动作发生在过去,对现在造成的影响或结果】,强调【现在We are pleased】.