这支被使用过的笔非常贵英语翻译

The pen has been used is very expensive.

我看你下面有问到一个问题：
“同义句可否是The pen used is very expensive.或The pen is very expensive which used .”

used可以当形容词讲,使用过的,所以如果要直接用used,可以写成
The used pen is very expensive.
2.定于从句最好直接放在被修饰的词后面,避免句式不伦不类,所以最好是：
The pen which has been used is very expensive.或者The pen which was used is very expensive.
你的简写不能把基本的结构都简化掉了.which used显然是错误的