关心老rr
春芽
共回答了21个问题采纳率:85.7% 举报
被动语态通常有动作的执行者和动作的被执行者.当动作的被执行者做主语时,句子用被动语态.
被动语态的谓语部分一般由be+动词的过去分词充当,根据时态变化会有所变化,如:在现在完成时态当中,谓语部分为have/has +been(变为过去分词)+动词的过去分词.
例:
when was the bridge built?/When did (they) build the bridge?
This bridge was built in 1942.(they) built the bridge in 1942
我们也可以讲清是什么人修建了这座桥,用“be +动作执行者”的结构来表示:
This bridge was built by of war in 1942
1年前
5