问题描述：
新概念中有一句macaroni has been grown in this area for over six hundred years
请问has been grown 是什么时态,假如是现在完成进行时的话不应该是has been growing?
请问has been grown 是什么时态,假如是现在完成进行时的话不应该是has been growing?
问题解答：
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