history: I was home alone. Suddenly, I heard a loud BANG. I went into the kitchen to investigate, and briefly saw a white dress flying out the window. I saw a ghost! One night_comma_ I was home alone_comma_ when suddenly_comma_ I heard a loud BANG! Oh goodness_comma_ what was it?
current: It was a ghost! I ran into the kitchen to investigate, and I saw what looked like a white dress flapping out the window. 
next: Wow, that must have been a terrible experience.