It is important here to take care of these points.

1. Follow a chronological order, i.e., the order in which the incidents take place. The following expressions are commonly used in a narrative writing to make the order of events clear.
   First, second, next, finally, at last, consequently, as a result, at length, soon, immediately, then, afterwards, after a few days, etc.
2. Involve a reasonable amount of action. Be creative and imaginative.
3. Link your development with your introduction and conclusion.
4. Pay particular attention to your plan so as to ensure that there are no gaps in the plot development.
5. Stick to the same tense. It is advisable to stick to the past tense for your story and you will not be confused.