Student or Learner
When I got home last night, my neighbor seemed to be having/to have been having a party.
If both sentences are right, which one would a native be more likely to say?
... it looked like my neighbor was having a party.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.