What happens next?

How to tell if you can see ghosts
Research paranormal activity.
There are centuries of findings to look through on the topic of hauntings. Before you go running off to find ghosts, make sure you know what you're looking for.
You will want to research the common forms ghosts come in, and places where they are typically found. A basic definition of a ghost is a human or animal figure that has been seen, but can't be physically present.