The active tense is where someone does something. In the passive tense, it’s hard to tell who did it. Active: I broke the pencil Passive: The pencil broke. or The pencil got broken.
Use active verbs.
Active: The boy ran to the store. Continuous (going on and on): The boy was running to the store. Incomplete: The boy running to the store.
Never use “The End” at the end of a story or poem. That’s for movies.
You don’t need to use “then” or “next” to indicate order: if it comes later in the sentence or paragraph, people will know it comes next.
Try not to repeat the same word in one paragraph.
(aside from function words such as and and the)
When talking about yourself and another person, put the other person first, and use the pronoun you would use if the other person wasn't there:
John and I went to the store. not Me and John went to the store.
After you have named a character in a paragraph, use pronouns for the rest of the paragraph unless doing so would become confusing.
In regular prose, don’t abbreviate words or use ampersands.
Vary your sentence structure -- complex, compound, or both.