改病句 I have never heard such things before. 速度!

改病句 I have never heard such things before. 速度! Never before have I heard of such things的翻译 主动语态:he has never heard of such things before I have never heard() interesting news before I have never heard of such a thing.(改被动） I have never heard(so/such )beautiful music i have never heard many such wonderful adventures I have never heard of it ____ before. Never before I have heard ---- beatiful music played by ---- i have never heard of that place before we have never heard of such things?怎么改为被动句? i have never heart such a beautiful song before