This book is the Chinese version of the popular series "You Can Speak This Much with Just 72 Patterns," and is structured with "Essential! 21 Important Patterns You Absolutely Must Learn," which teaches basic conversation patterns, and "Useful! 51 Frequently Used Patterns," which includes a variety of expressions often used in conversations with friends and during travel, allowing you to broaden your everyday conversation skills. You can download audio to study. By mastering frequently used conversation patterns (sentence structures) such as "How about ~?" and "I want to ~," you will be able to express what you want to say in Chinese. Instead of rote memorization, by properly understanding the "sentence structures," you can expand your conversation variations simply by substituting words. In "Part 1: Essential!! 21 Important Patterns You Absolutely Must Learn," you will learn 21 basic conversation patterns. And in "Application," you can also learn the negative and question patterns for each. Please refrain from price negotiations. Please purchase without comments. I can ship immediately.