have you just been to the cinema?中的to

问题描述:

have you just been to the cinema?中的to
s 是不是一起作为介宾短语

to这里是介词功能啊,加上地点,表示到达,方向
如果没有 to,你看看
have you just been the cinema?
你是这个电影院吗
但是原句
have you just been to the cinema?
你刚到电影院吗?