"be'的过去式和过去分词是什么?be (过去式) (过去分词)
问题描述:
"be'的过去式和过去分词是什么?
be (过去式) (过去分词)
答
am/is--was are--were
been
答
过去式为was(当原形为am\is):were(当原形为are) 过去分词为been
答
was/were
been
答
过去式是was\were,过去分词是been.