It might be possible. However, some places may have restrictions on fanfic due to copyright issues. It's best to check the rules of where you're submitting.
Start by having a clear idea. Then, focus on creating interesting characters and a compelling plot. Look for samples online or in books to get inspiration.
You should start by carefully analyzing the samples to understand their structure and key elements. Then, look for common themes and patterns to draw useful insights.
First, think of a unique idea. Then, create interesting characters. Make a simple plot and add some twists. Finally, polish your writing with good grammar and vivid descriptions.
Start by jotting down your most memorable moments and emotions during the wedding. Then, describe the venue, decorations, and guests in detail to make the story vivid.
The key to writing short story samples is to have a unique premise. Build tension throughout the story. And don't forget to show, not tell. That means using descriptive details to bring the story to life for the reader.