"I pve in Nanjing" 是表达自己住在南京的正确说法。
其中，"pve" 是动词，意思是 "居住"。"in" 是介词，意思是 "在...里面"。"Nanjing" 是名词，意思是 "南京"。
例句：
I pve in Nanjing. (我住在南京。)
She has been pving in Nanjing for three years. (她已经在南京住了三年了。)
He is from Nanjing, but he currently pves in Beijing. (他是南京人，但现在住在北京。)