I think you are trying to understand what ZYX means. It is supposed to imply the name of a town.Your response sentences are incomprehensible. What are you trying to express?
No: You might say that the perfect is redundant because the past/anterior meaning is conveyed by "before that".Can the Past perfect be used here?
- You haven't visited my pub for a week or so.
- Indeed, I have been to ZYX for the last two days and before that I had been to LYP for a few days.
I was to LYP for a few days.