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现在完成进行时 be / am / is / are




翻译: 到达, 发生, 是, 表示, (存)在, 乃, 乃是, 就是, 来到, 等于

现在完成进行时

I have been being



现在完成进行时 (Present perfect continuous)

I
have been being 
you
have been being 
he/she/it
has been being 
we
have been being 
you
have been being 
they
have been being 











不规则动词