be动词后面加什么?

如题所述

be动词后面加动词ing形式、动词ed形式和表语。
be:
v.有;存在;位于;在(某处);(在某时或某地)发生。
aux.与过去分词连用构成被动语态;与现在分词连用构成进行时;用于反意疑问句。
第三人称单数: is.
现在分词: being.
过去式: was. were.
过去分词: been 扩展资料
  For years radio has been the Cinderella of the media world.

  多年来无线电广播在传媒界中一直不受重视。

  For the government, education is now at the top of the agenda.

  对政府来说,现在教育是当务之急。

  His research work was attacked by animal rights activists.

  他的研究受到了动物权益维护者的抨击。

  It was on TV not long ago.

  电视不久以前播出了这个节目。

  There was an almost complete lack of awareness of the issues involved.

  对有关问题几乎是一无所知。
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