A lot of pain behind okay

A lot of pain behind okay I feel （a lot of pain） 提问 feel a lot of pain 谁把这个短语结构分析一下,pain是什么词性 ,a lot不是修饰名词吗 feel there lie a hill behind the house,and there stand a lot of a There are a lot of t__ behind my house空里填什么（已给出首字母） Baker's Keyboard Lounge has a lot of history behind is.behin I know a lot more about pain than you think lot a lot lots of a lot of 的用法 a lot of ,lots of ,a lot,lot的区别? a lot of,lot's of 和a lot what a lot of a lot (of)造句