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现在完成进行时 brief




翻译: 简叙, 简短介绍, 简要汇报

现在完成进行时



您是网页 常规动词 brief

现在完成进行时 (Present perfect continuous)

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


不定式

brief









规则动词 & 不规则动词