Improve your grammar and composition skills in no time! Proper grammar is a critical skill to master, both in the classroom and in life. This Must Know resource will give you the edge you need right now from improving your grammar and writing skills for high school classes to scoring higher on Act, Sat and other standardized exams and in future college coursework, too. The user-friendly approach presents topics in a way that makes sense, and gives you plenty of exercises and practice to help you build grammar skills quickly and easily. It's like a lightning bolt to the brain! Inside, you'll find- Extensive help with sentences, grammar, punctuation, paragraphs, and the writing process 250 real-life practice questions to help you master the topics Btw (by the way) and Irl (in real life) sidebars explain what you should be careful about and help you see real-world applications of what you're learning Grammar and writing tips and strategies to help you in current classes, on standardized exams, and in future college coursework Bonus app includes 100 flashcards to reinforce what you've learned.