2013年12月大学英语六级考试语法解析18
2013年12月大学英语六级考试语法解析18
被动语态 (被动语态可用于各种时态,但较常用的有十种。以 give 为例:)
过去
现在
将来
过去将来
一般
was/were given
am/is/are given
will/shall be
given
would/should be
given
进行
was/were being
given
am/is/are being
given
—
—
完成
had been given
have/has been
given
will/shall have
been given
would/should
have been given
完成进行