This is the eighth of 15 one-week SAT Prep units perfect for middle and high school students. Each unit includes: 11-12 vocabulary words based upon 4 Latin & Greek roots and a focused SAT grammar topic with several worksheets and guided notes. Each unit culminates with a practice quiz and a final quiz. The units are set up to be taught for three days, a practice quiz on day four, and a quiz on day five. Unit 8 covers using Adverb Clauses: identifying them as introductory and non-introductory and punctuating them. Students are asked to produce sentences of their own using sentences with and without commas and with subordinating conjunctions that create exceptions to rules. Answer keys included for each worksheet, practice quiz, and final quiz. You will love these!