UC知道九年级（初三）英语：把一个句子改为被动句，在线等！
来源：百度知道 编辑：UC知道 时间：2024/06/14 08:47:12
we heard betty sing a song just now.(改为被动句）.
betty ____ ____ ____ ____ a song just now by us.
嗯，首先感谢，然后，希望给出正确答案，并说明怎么做出来的，希望讲解仔细。再次感谢！！
betty ____ ____ ____ ____ a song just now by us.
嗯，首先感谢，然后，希望给出正确答案，并说明怎么做出来的，希望讲解仔细。再次感谢！！
Betty was heard to sing a song just now by us.
Betty唱歌是已经被我们听见的，所以用过去时态
hear是感官动词，在变成被动语态时，要还原to
betty was heard to sing a song just now by us
被动句结构是BE动词+动词过去分词
BETTY唱的歌 被我们听到 所以
betty was heard to sing a song just now by us
被动句结构是BE动词+动词过去分词
BETTY唱的歌 被我们听到
Betty was being heard singing a song just now by us.
were heard to sing