The film star when I have been looking forward to hasn't turned up.为什么要加been

问题描述:

The film star when I have been looking forward to hasn't turned up.为什么要加been

表示长期以来一直期待的意思,have be en doing 表示一种状态.句子意思是,我长久以来很期待的那位电影明星还没出现。when是不是应该用who 比较好。