Ⅰ.
Phonology

01 Phoneme
01-1 Understanding Phonetics
01-2 Consonants
01-3 Collection
Concept application practice

02 Phonological changes (1)
02-1 Replacement ① - Rules for final consonants of syllables
02-2 Replacement ② - Nasalization
02-3 Replacement ③ - Voiced
02-4 Replacement ④ - Becoming a tense sound (softening)
02-5 Replacement ⑤ - Palatalization
02-6 Replacement ⑥ - Semivowelization
Concept application practice

03 Phonological changes (2)
03-1 Elimination ① - Simplification of consonant clusters (elimination of consonants)
03-2 Elimination ② - Elimination of 'ㄹ' (elimination of consonants)
03-3 Elimination ③ - 'ㅎ' Elimination
03-4 Elimination ④ - Vowel Elimination
Concept application practice

04 Phonological Changes (3)
04-1 Addition ① - Addition of 'ㄴ'
04-2 Addition ② - Addition of semivowels
Concept application practice

05 Phonological Changes (4)
05 Contraction - Becoming a loud sound (aspirated sound)
Concept application practice

06 Comprehensive study of phonetic changes
06 Comprehensive study of phonetic changes
Concept application practice

Ⅱ.
word

01 Parts of speech
01-1 Understanding Parts of Speech
01-2 Noun ① - Noun
01-3 Noun ② - Pronoun
01-4 Noun ③ - Numeral
01-5 Verb ① - Verb
01-6 Verb ② - Adjective
01-7 Verb Conjugation ① - Stems and Endings
01-8 Verb Conjugation ② - Main Verbs and Auxiliary Verbs
01-9 Verb Conjugation ③ - Regular and Irregular Conjugation
01-10 Modifier ① - Adjective
01-11 Modifier ② - Adverb
01-12 Relational Words - Particles
01-13 Independence Words - Exclamations
Concept application practice

02 Word formation
02-1 Morpheme
02-2 Words
02-3 Roots and Affixes
02-4 Single and compound words
02-5 Compound Words ① - Compound Words
02-6 Compound Words ② - Derivative Words
02-7 Direct Composition Ingredients

03 Meaning of words
03-1 Types of word meanings
03-2 Word semantic relationships ① - Hierarchical relationships of suffixes and antonyms
03-3 Word Semantic Relationships ② - Homonymous Polysemy Relationships
03-4 Using the Korean Dictionary
Concept application practice

Ⅲ.
sentence

01 Sentence components
01-1 Sentence and Grammar Units
01-2 Sentence components
01-3 Main Component ① - Subject
01-4 Main Component ② - Object
01-5 Main ingredient ③ - Bore
01-6 Main Component ④ - Predicate
01-7 Number of digits in the predicate
01-8 Auxiliary Component ① - Adjective
01-9 Subordinate Component ② - Adverb
01-10 Independent Component - Independent Word
Concept application practice

02 Sentence structure
02-1 Simple and compound sentences
02-2 Embedded sentence ① - Embedded sentence with noun clause
02-3 Embracing sentence ② - Embracing sentence with an adjective clause
02-4 Embedded sentence ③ - Embedded sentence with adverbial clause
02-5 Embedded sentence ④ - Embedded sentence with a descriptive clause
02-6 An Eun Sentence ⑤ - An Eun Sentence with a Quotation
02-7 Connected Sentence ① - Equally Connected Sentences
02-8 Connected Sentences ② - Dependently Connected Sentences
Concept application practice

03 Grammar Elements
03-1 Concluding Expression
03-2 Honorific Expression ① - Honorific Expression for Subject, Honorific Expression for Object
03-3 Honorific Expression ② - Relative Honorific Expression
03-4 Time Expression ① - Tense (Past, Present, Future)
03-5 Time Expression ② - Action
03-6 Passive expressions
03-7 Causative Expressions
03-8 Negative expressions
03-9 Quotation Expression
03-10 Vocabulary, Expressions, and Attitudes
03-11 Correct Sentence Expression ① - Correspondence between Sentence Elements
03-12 Correct Sentence Expression ② - Ambiguous Sentence
Concept application practice

Ⅳ.
discourse

0l Discourse and Components
01-1 Concept and Components of Discourse
01-2 Cohesion
01-3 Cohesion ① - Indicative Expression
01-4 Cohesion ② - Alternative expressions
01-5 Cohesion ③ - Connection Expression
Concept application practice

02 Context of the conversation
02-1 Linguistic context
02-2 Nonverbal Context ① - Situational Context
02-3 Nonverbal Context ② - Practice Applying the Concept of Sociocultural Context

03 Publicness of Language
03 Publicness of Language
Concept application practice

V.
linguistic norms

01 Standard Pronunciation
01-1 Pronunciation of vowels
01-2 Pronunciation of final consonants ① - Pronunciation of representative and double final consonants
01-3 Pronunciation of final consonants ② - Pronunciation of 'ㅎ'
01-4 Pronunciation of final consonants ③ - Provisions related to liaison
01-5 Becoming a hard sound (softening)
01-6 Addition of negative
Concept application practice

02 Korean spelling
02-1 General Rules, Regarding Sound ① - Sound
02-2 About sounds ② - Palatalization, 'ㄷ' sound consonant, vowels
02-3 About Sound ③ - Initial Sound Law
02-4 Regarding form ① - Stems and endings
02-5 Regarding form ② - Words formed by adding suffixes 1
02-6 Regarding form ③ - Words formed by adding suffixes 2
02-7 Regarding Form ④ - Compound Words and Words with Prefixes 1
02-8 Regarding Form ⑤ - Compound Words and Words with Prefixes 2
02-9 Regarding the form ⑥ - Abbreviations
02-10 Spacing
02-11 Other
Concept application practice

Ⅵ.
Korean language history

01 The principle of creation of Hunminjeongeum
01-1 The principles of Hunminjeongeum
01-2 Principles of letter operation
Concept application practice

02 The evolution of the Korean language
02-1 Letters, notation, and phonetics
02-2 Grammar ① - Particles, prepositional endings
02-3 Grammar ② - Honorifics, Interrogative Expressions, Other Endings
Concept application practice

Practice problems by unit
Ⅰ.
Phonology
Ⅱ.
word
Ⅲ.
sentence
Ⅳ.
discourse
V.
linguistic norms
Ⅵ.
Korean language history

Answer and explanation