be动词有哪些

如题所述

原型:be
现在时:am is are
过去式:was were
现在分词:being
过去分词:been
将来时:shall be(用于第一人称) will be
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第1个回答  2011-08-07
原形: be
现在时:am is are
过去式: was were
现在分词: being
过去分词: been