inside是介词吗?

问题描述:

inside是介词吗?
介词前面不是要有be动词的么?
那为什么西城男孩my love里面 有一句是 a hole inside my heart

inside可作介词He parked his car inside the gate可作名词There is a label on the inside of the box可作副词Let's go inside也可作形容词He pulled a manuscript from his inside coat pocket意义上都是在内部,里...