Unit 7: Comparative Adjectives and Adverbs
Unit 8: Prepositions and Prepositional Phrases
Unit 10: Subjects and Predicates
Unit 11: Direct and Indirect Objects
Unit 14: Combining Sentences
Unit 15: Fragments and Run-ons
Unit 16: Subject-Verb Agreement
Unit 17: Pronoun-Antecedent Agreement
Unit 21: Colons and Semicolons
Unit 23: Italicizing and Underlining
Unit 24: Parentheses and Brackets
Unit 25: Hyphens and Dashes
Unit 28: Troublesome Verbs
Unit 30: Misplaced Modifiers