this is one of the best novels having ever been written by him.为什么用having

问题描述:

this is one of the best novels having ever been written by him.为什么用having

having ever been written by him 是短语作定语修饰 novels的。

This is one of the best novels (having ever been) written by him.括号内的 短语做定语修饰novels,所以要用ing 形式,用having ever been表示“到目前为止”.