CHAPTER 01 Tense
UNIT 01 Present Perfect Tense
UNIT 02 Past Perfect Tense and Future Perfect Tense

CHAPTER 02 Auxiliary Verbs
UNIT 01 can, may, must, should
UNIT 02 had better, would rather, used to, may as well
UNIT 03 Auxiliary Verb + have + pp

CHAPTER 03 Passive Voice
UNIT 01 Use of passive voice
UNIT 02 Passive voice in sentences of type 4/type 5
UNIT 03 Passive Voice to Watch Out for

CHAPTER 04 Infinitives
UNIT 01 Nominal Use of the Infinitive
UNIT 02 Adjectival/Adverbial Use of the Infinitive
UNIT 03 Verbs that use infinitives as object complements
UNIT 04 Subject, tense, and voice in terms of the meaning of the infinitive
UNIT 05 To-infinitive construction, independent infinitive

CHAPTER 05 Gerunds
UNIT 01 Use of Gerunds
UNIT 02 Verbs that use gerunds and to-infinitives as objects

CHAPTER 06 Participle
UNIT 01 Present Participles and Past Participles
UNIT 02 Participle Phrases
UNIT 03 Participle phrases to watch out for

CHAPTER 07 Affiliates
UNIT 01 Relative Pronouns
UNIT 02 Relative Adverbs
UNIT 03 Use of relative pronouns to be careful of
UNIT 04 Complex Relatives

CHAPTER 08 CONJUNCTIONS
UNIT 01 Conjunctions that lead adverbial clauses
UNIT 02 Correlative Conjunctions, Indirect Questions

CHAPTER 09 CONDITIONAL LAW
UNIT 01 Past/Past Perfect Conditional, Mixed Conditional
UNIT 02 I wish/as if/It's time Subjunctive
UNIT 03 Without[But for] conditional, conditional without if

CHAPTER 10 Comparative Sentences
UNIT 01 Comparison of the original/comparative/superlative degrees
UNIT 02 Expressions using comparative phrases

CHAPTER 11 Agreement and Speech
UNIT 01 Number Matching
UNIT 02 Agreement of Tense
UNIT 03 Speaking

CHAPTER 12 Special Syntax
UNIT 01 Emphasis, Inversion
UNIT 02 Parallelism, Negation, Apposition, Omission

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)