I am concerned about U 和I have been concerned about U有什么区别.如题

问题描述:

I am concerned about U 和I have been concerned about U有什么区别.
如题

您好,很高兴为您
I am concerned about U 我关心你.
一般现在时态,表示对现在状态的一种描述
be concerned about 关心 concerned为形容词
I have been concerned about U 我一直都在关心你.
现在完成时,表示过去动作持续到现在.concerned 为形容词,并非被动语态.
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