You can start by reading them a lot of stories to inspire their imagination. Encourage them to talk about what they think might happen next in the stories you read together.
One important element is conflict. Without conflict, the story can be dull. It could be a conflict between characters, like a fight over a treasure, or an internal conflict within a character, such as a moral dilemma. Theme is also crucial. It gives the story a deeper meaning. For instance, a theme of friendship can make the story more than just a sequence of events. And of course, the narrative voice. It can be first - person, third - person, etc., and it affects how the reader experiences the story.
Well, to write your own stories, you need to have a clear idea of what you want to convey. Do some research if needed, create vivid characters, and build an engaging plot with twists and turns. Also, make sure your writing is clear and easy to follow.
First, come up with an interesting idea or theme. Then, plan out the plot and characters. Make sure to have a beginning, middle, and end that flow smoothly.
First off, you need a great idea. Maybe it's based on your own experiences or something you've always dreamed of. Next, flesh out the story arc - have a beginning, middle, and end in mind. And don't forget to add some twists and turns to keep it exciting.