Levels Six through Eight are included in the Crystal Clear Advanced curriculum bundle.
Unit 1: Community Conflicts: narratives, cohesive devices, turn-taking
Unit 2: Beautiful Birds: character analysis, expressing probability, comparing and contrasting
Unit 3: Controversial Clothing: persuasive attitude, Present Perfect tense, giving opinions
Unit 4: Interesting Insects: narratives, expositories, Past Perfect tense
Unit 5: Constant Change: noun transformations, giving opinions
Unit 6: Lovely Literature: themes, questioning, inversions
Unit 7: Trending Technology: opinions, suggestions, obligations, Future tense
Unit 8: Troublesome Tourists: making connections, drawing conclusions, conditionals
Unit 9: Persuasive Proposals: proposals, opinions, gerunds vs. infinitives
Unit 10: Music Mischief: prediction, problems, adverbials
Unit 11: Fun Food Facts: expository sequence, cause & effect, Past tenses
Unit 12: Rocky Relationships: perspective, passive voice