Prologue Are Korean students really good at grammar?
The ultimate goal of grammar is to speak like the average American!
I recommend this book to these people!
The key words for speaking like an average American are Grammar-in-Use and Grammar-in-Context.
I highly recommend you look at it this way!

Chapter 1: Using Articles, Now Let's Solve It Intuitively!
Chapter 2 What is countable and what is uncountable?
Chapter 3 Are you going to prison or going to visit?
(Expressions used without articles, regardless of whether they are countable or not)
Chapter 4 So, are uncountable abstract nouns always indefinite?
Chapter 5 We Are One! (Collective noun meaning several things come together to become one)
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Foreign Language Acquisition Theory 1: Learning and Acquisition to Help Teachers Study English
Chapter 6 Can a single preposition change the meaning you want to convey?
Chapter 7: Various Prepositional Expressions Encountered in Everyday English
Chapter 8 Why do we study the usage of prepositions diligently while ignoring the usage of prepositions?
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Mr. Ah's foreign language acquisition theory that helps you study English 2 You have to understand it to understand it!
Chapter 9 'To be' or 'Being', that's the question! (infinitive and gerund)
Chapter 10: Son Heung-min in the English Grammar Field
Chapter 11 Bare Infinitive
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3 Theories of Foreign Language Acquisition that Help Teacher Ah Study English: Words are a coming and going thing!
Chapter 12 When ~ing modifies something else, it is a present participle, not a gerund!
Chapter 13 If present participles exist, past participles must also exist!
Chapter 14: Look at the dynamics! (Passive voice)
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Mr. Ah's Foreign Language Acquisition Theory 4 that Helps You Study English The Secret to Using Accurate Grammar is Monitoring!
Chapter 15: I'm a Noun Coordinator! (Adjective)
Chapter 16 A, you go back! (A-adjective)
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5 Theories of Foreign Language Acquisition That Will Help You Study English Do we learn everything in the order we learn it?

Epilogue Now, let's change our mindset when studying grammar!
References

Real English Grammar from Korean teacher Kim A-young, who teaches grammar to Americans.

Grammar is an essential element to know if you want to be good at conversation.
But what is your current relationship with grammar? Have you become a slave to studying grammar for grammar's sake? Have you become fixated on unfamiliar terms, neglecting the ultimate goal of grammar: conversational communication? If your goal in studying grammar is to converse, like the average American, you need to abandon your previous learning methods.
The book that will fill that void is 『American English Conversational Grammar』.

Surprisingly, you've picked out only the parts you're unsure about.

The author, who teaches grammar to native speakers at Florida State University in the United States, has used his years of experience to pinpoint the most common mistakes and difficulties Koreans make when speaking.
This book is easy to read, with its unconventional yet reasonable flow system that breaks away from the conventional grammar framework and its easy-to-understand explanations. The heartfelt dialogue examples that make you want to try them out right away are the finishing touch to this book.


Just two keys to remember in grammar: Grammar-in-Use & Grammar-in-Context

Unless you're going to be a grammarian, unless you're going to compete with foreigners in grammar, you need to study the grammar that's widely used in conversation.
This is Grammar-in-Use.
In "American English Conversation Grammar 1," we cover the use of nouns, which are the core of the main components of a sentence: subjects, objects, and complements.
In conversation, it is more important to know the relationship between nouns and adjectives, articles, and prepositions, and how they are used as the main components of sentences, rather than knowing what a noun is.
So, unlike other grammar books, this book focuses on the usage part to help you study grammar properly.

However, you should not simply learn the grammar necessary for conversation.
You should aim to acquire it and make it your own.
What is needed for this is to check even simple matters through context.
This way, you can remember it for a long time and use it.
This is the core of Grammar-in-Context and a shortcut to solidifying your grammar skills.
Discover a new grammar book like no other, faithful to Grammar-in-Use and Grammar-in-Context.

You've been studying grammar incorrectly up until now, but from now on, you have to do it this way!

Focus on the grammar that Americans actually use in conversation.

-Don't obsess over trivial grammar terms and waste time and effort on grammar that has zero practical use.
The result of such study is nothing more than a bad attitude of trying to fit sentences into grammatical terms.
If you focus on the elements necessary for conversation—namely, the noun-related conjugations that make up the main components, and the verbs and tenses that determine the sentence structure covered in Volume 2—you will achieve results far exceeding the time and effort you put in.

Practice the unity of knowledge and action, which means speaking what you know.

-No matter how well you learn grammar that is perfect for conversation, it is of no use if you don't speak it out loud.
There is a world of difference between knowing something with your eyes and reading it out loud and having it engraved in your brain.
Shorten the time and path to fluent conversation with the tenacious persistence to use what you know in any way possible.

Aim for usage, not vocabulary quantity.

-If you have the grammar necessary for conversation, vocabulary is what allows you to use it infinitely.
Don't think of vocabulary study as simply increasing the number of words whose meanings you know.
Vocabulary isn't something you can learn just by knowing a lot of meanings.
It is more important to know the exact meaning as well as how it is used in a sentence.
Don't be proud of knowing 20,000 words, but rather of knowing the correct usage and use of 2,000 words.

Make an effort to understand even seemingly trivial matters in context.

-Grammar and vocabulary alone have no meaning.
These only shine when placed in context.
Only by making an effort to understand and grasp the context will you become a truly skilled conversationalist.