Unit 1 The Topic Sentence 
Unit 2 The Development of the Controlling Idea 
Unit 3 The Opening Paragraph&the Concluding Paragraph 
Unit 4 Flow of Thought 
Unit 5 Imitation 
Unit 6 Putting Yourself in the Author's Shoes 
Unit 7 Unity of a Paragraph 
Unit 8 Coherence of a Paragraph 
Unit 9 Consistency 
Unit 10 Variety in Language 
Unit 11 Starting a Paragraph with a Question 
Unit 12 Paragraph Development by Facts 
Unit 13 Paragraph Development by Example 
Unit 14 Paragraph Development by Reason 
Unit 15 Paragraph Development by Comparison-Simile, Metaphor & Analogy 
Unit 16 Paragraph Development by Comparison-Contrast 
Unit 17 Paragraph Development by Division & Classification