Think you’ve mastered English grammar? Think again. This quiz is designed to challenge everything you thought you knew about sentence structure, verb tenses, punctuation, and word choice. From tricky subject-verb agreement questions to subtle distinctions between commonly confused words, this test digs deep into the mechanics of language. It’s not just about knowing the rules—it’s about applying them under pressure. Whether you're an English teacher, a lifelong learner, or someone who just enjoys a good brain workout, this quiz will push your skills to the limit. Get ready to test your grammatical intuition like never before. Good luck—you’ll need it!