Ⅰ Phonemes
- Phonemes and phonological systems
·Concept confirmation
·Practical problems
- Changes in sound
·Concept confirmation
·Practical problems

Ⅱ Word
- Classification of words
·Concept confirmation
·Practical problems
- Word structure
·Concept confirmation
·Practical problems
- Meaning of words
·Concept confirmation
·Practical problems

Sentence Ⅲ
- Sentence elements
·Concept confirmation
·Practical problems
- Sentence structure
·Concept confirmation
·Practical problems
- Grammar elements
·Concept confirmation
·Practical problems

Ⅳ Discourse
·Concept confirmation
·Practical problems

V Norms of the Korean Language
- Standard language regulations
·Concept confirmation
·Practical problems
- Korean spelling
·Concept confirmation
·Practical problems

Ⅵ History of the Korean Language
·Concept confirmation
·Practical problems

Ⅶ Concept Complexity
·Practical problems

[Answer and Explanation]

| Features of this book
A grammar practice book that covers everything in one volume
·Improving problem-solving skills through systematic learning
- Essential grammar concepts that must be known for each area are presented.
- You can develop problem-solving skills by solving problems by area and difficulty level.

· Reflecting the latest exam trends
- Contains questions from the most recent college entrance exams, mock exams, and academic performance evaluations.
- It is designed to enhance application and thinking skills by solving 'fingerprint problems' together.

·Explanation of problem-solving methods for level 1
- The grammar concepts required for problem solving are presented as ‘Challenge Level 1’.
- Detailed explanations are provided to ensure a complete understanding of the problem.

| Pajak series
Classical Literature, Modern Literature ┃ A basic literature book that develops literary reading comprehension skills through proper reading practice.
Non-fiction Reading ┃ A basic non-fiction reading book that develops reading comprehension and inferential thinking skills.
30 Essential Grammar Concepts ┃ A grammar book that covers everything from school grades to the CSAT, with 30 essential concepts.
Grammar Complete 800 Questions ┃ A Complete Grammar Practice Book in One Volume
Essential Vocabulary ┃ A basic vocabulary book that helps you learn essential Korean vocabulary for the CSAT with easy Chinese character explanations.