...that I've been turning over in my mind ever since.为什么不是...that I've been turned over...
问题描述：
...that I've been turning over in my mind ever since.为什么不是...that I've been turned over...
应该是动宾关系
答
have been turned over 其实是have been done ,是被动语态,意思是我已经被xxx,have been turning over 是be turning over 的完成时,主语是我,意思是我已经xxx,两个意思完全不同