CHAPTER 01 Tense
UNIT 01 Present/Past/Future/Continuous Tense
UNIT 02 Present Perfect Tense

CHAPTER 02 Auxiliary Verbs
UNIT 01 can, may, will
UNIT 02 must, have to, should
UNIT 03 would like to, had better, used to

CHAPTER 03 Types of Verbs
UNIT 01 Sense Verbs and Transitive Verbs
UNIT 02 Verbs requiring an objective complement

CHAPTER 04 Passive Voice
UNIT 01 Use of passive voice
UNIT 02 Various forms of passive voice
UNIT 03 Passive Voice to Watch Out for

CHAPTER 05 To-Infinitive
UNIT 01 Nominal Use of the Infinitive
UNIT 02 Adjectival Use of the Infinitive
UNIT 03 Adverbial Use of the Infinitive
UNIT 04 Subject and to-infinitive structures in terms of meaning of to-infinitive

CHAPTER 06 Gerunds
UNIT 01 Use of Gerunds
UNIT 02 Verbs that use gerunds and to-infinitives as objects

CHAPTER 07 Injection
UNIT 01 Present Participles and Past Participles
UNIT 02 Participle Phrases

CHAPTER 08 Pronouns
UNIT 01 Indefinite Pronouns I
UNIT 02 Indefinite Pronouns II
UNIT 03 Reflexive Pronouns

CHAPTER 09 Affiliates
UNIT 01 Relative Pronouns
UNIT 02 Relative Pronouns that/what, Use of Relative Pronouns to Be Careful of
UNIT 03 Relative Adverbs

CHAPTER 10 CONJUNCTIONS
UNIT 01 Conjunctions that indicate time/reason/result
UNIT 02 Conjunctions that express conditions/concessions
UNIT 03 Imperatives + and/or, Correlative Conjunctions

CHAPTER 11 Comparative Phrases
UNIT 01 Comparison of the original/comparative/superlative degrees
UNIT 02 Expressions using comparative phrases

CHAPTER 12 CONSUMPTIONAL MOVEMENT
UNIT 01 Past Subjunctive, Past Perfect Subjunctive
UNIT 02 I wish conditional, as if conditional

CHAPTER 13 Agreement and Speech
UNIT 01 Agreement of Tense
UNIT 02 Speaking

The #1 bestseller among middle and high school reference books! "Hacker's Vocabulary: Etymology"
Hackers Grammar Smart Level 1, published by Hackers No. 1, is also the No. 1 Hackers in middle and high school English.


[I recommend this textbook to these people.]
1.
For students from middle school to 3rd year of middle school who want to easily learn the core grammar of middle school by level with concise explanations and a thin textbook.
2.
Middle school students who want to expand their English speaking and writing skills through useful expressions and practical examples.
3.
Students preparing for the final exams through the various problems in the textbook and workbook, from middle school to third year of middle school.
4.
Upper grade elementary school students who want to study English grammar in advance for middle school

What Makes Hackers Grammar Smart Special?

[Because you can learn grammar the smart way!]
1.
Easy and concise grammar explanations
Anyone can easily understand and learn the essential grammar that middle school students must know.

2.
Useful expressions and practical examples
Through useful expressions and practical examples that reflect middle school students' interests and real-life situations, you can expand your English skills beyond grammar to include speaking and writing.

3.
Systematic grammar learning through step-by-step problem solving
Through step-by-step problem solving that proceeds from [Smart Check] → [Practice] → [Writing Exercise] → [Chapter Test], you can systematically study grammar, from simple concept confirmation to preparation for middle school grades.

4.
Learn essential middle school vocabulary at the same time
It provides essential middle school vocabulary and definitions needed to solve problems, so you can memorize grammar and essential middle school vocabulary.



[Because you can finish middle school English grammar perfectly!]
5.
Complete middle school English grammar with a four-level series
Essential grammar that middle school students must know is organized into four levels of difficulty, allowing you to efficiently complete middle school English grammar.

6.
Perfect preparation for internal exams, including descriptive exams
You can perfectly prepare for your internal exams through in-depth descriptive questions that reflect recent trends in internal exams that emphasize writing, and practical questions that reflect trends in middle school midterm/final exams.

7.
Workbook with a wealth of problems and a variety of supplementary learning materials
By effectively reviewing what you have learned using the [Workbook] and various supplementary learning materials, your grammar skills will improve even further.


[Hackers' Additional Learning Content - HackersBook (HackersBook.com)]
1.
Descriptive Contrast Writing/Interpretation Worksheet
2.
Irregular Verb Test
3.
Example/Problem Interpretation
4.
Word list
5.
Word Test
6.
Vocabulary Memorization MP3
7.
Answers and Explanation PDF

[Hacker's Vocabulary Etymology] #1 Bestseller in the Middle/High School Reference Book Category at Kyobo Bookstore (January 7, 2021)
(Based on online weekly statistics)