Ⅰ Grammar
Components of a sentence
B Sentence Format
C Subject and Verb Agreement in Number
D Verb Tense
E Active and passive voice
F auxiliary verb
G subjunctive
H to infinitive
I gerund
J participle
K pronoun
L adjectives and adverbs
M conjunction
N relative pronoun
O relative adverb
P comparison syntax
Q Omission and Emphasis
R inversion and parallel

Ⅱ Finding meaning in the flow of the text
S Find the meaning of the underlined part

Ⅲ Vocabulary
Understanding the structure and development of T text (Choose the correct word)
Understanding the structure and development of U's writing?? (Choose the incorrect word)

High-difficulty mock exam to complete grammar and vocabulary
1st Grammar and Vocabulary High-Difficulty Mock Test (September 2026 for 3rd year high school students)
2nd High-Difficulty Grammar and Vocabulary Mock Test (June 2026 for 3rd year high school students)
3rd Grammar and Vocabulary High-Difficulty Mock Test (High School Seniors 2025 CSAT Preparation)
4th Grammar and Vocabulary High-Difficulty Mock Test (September, 2025, for 3rd year high school students)
5th Grammar and Vocabulary High-Difficulty Mock Test (June for 3rd-year high school students preparing for the 2025 exam)
6th Grammar and Vocabulary High-Difficulty Mock Test (High School Seniors 2024 CSAT Preparation)
7th Grammar and Vocabulary High-Difficulty Mock Test (September 2024 for 3rd year high school students)
8th Grammar and Vocabulary High-Difficulty Mock Test (June 2024 for 3rd year high school students)

Includes the latest 20-year high school 2nd year academic achievement assessment grammar and vocabulary questions
Easy concept organization, concept confirmation questions for school grades and the CSAT
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Intensive study of problems for Grade 1 + special lecture explanations
8 high-difficulty mock exams on grammar and vocabulary
Attractive incorrect answers, grammar special lectures, traps, cautions, and tips, with 3D editing and commentary.
QR code for important issue video lecture
[Special Appendix] Portable Vocabulary Book

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