The document discusses different ways to combine short, choppy sentences into longer, smoother sentences including: 1. Using a series of words or phrases with parallel structure. 2. Using compound subjects and verbs to join ideas. 3. Moving a key word between sentences to link them. 4. Incorporating phrases like prepositional, participial, infinitive, and appositive phrases. 5. Connecting independent clauses with coordinating conjunctions to form compound sentences. 6. Using subordinate conjunctions and relative pronouns to create complex sentences where one idea is dependent on the other.