be动词除了is,are还有什么
问题描述:
be动词除了is,are还有什么
答
be
am
is
are
was
were
been
being
答
am was were
答
am was were
答
am
答
还有am ,过去时的还有was,were ,过去分词是:been ,现在分词是being
答
还有is,are的过去分词,was,were
答
am 还有过去式was,were