featival and celebrations of all kinds have been held everywhere since ancient time 这个句子不懂
问题描述：
featival and celebrations of all kinds have been held everywhere since ancient time 这个句子不懂
不是应该用 have been holding 为什么用have been held
答
从远古时期开始,各种各样的节日和庆祝活动就被举行（人们就已经举行各式各样的~）.
have been held 是现在完成时,里面带着一个被动语态,活动是被举行的.
而have been doing是主动形式的,现在完成进行时.