This document discusses techniques for improving sentence variety, including using different sentence lengths and types. It provides examples of how to combine short sentences into longer, more varied sentences through various techniques: 1) Using -ing and -ed modifiers to combine sentences, such as "Talking on her cell phone, Sarah drove into a tree." 2) Using appositives, which rename or describe nouns, to join ideas, like "Chocolate milk, a favorite of children, contains calcium and vitamins." 3) Using who, which, or that clauses to combine sentences, as in "Jacob, who is my favorite cousin, won the golf tournament." The document also discusses how to properly punctuate