be的过去式过去分词

回答
爱扬教育

2022-01-03

be的过去式: was were;过去分词: been;
be:v.有;存在;位于;在(某处);(在某时或某地)发生;

扩展资料

  We had to work within the parameters that had already been established.

  我们必须在已设定的范围内工作。

  No new SARS cases have been reported in the region.

  该区没有新增非典型肺炎病例。

  The information has been placed in the public domain.

  这资料不受版权保护。