A1 Negation 4 min read 쉬움

태국어로 정체성 부정하기 (mai chai)

Use mai chai to clarify who or what you are not, keeping it strictly for noun-based identities.
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Grammar Rule in 30 Seconds

Use 'Mai Chai' to negate nouns or identities; it literally means 'not the truth/not the one'.

  • Use 'Mai Chai' before a noun: 'Mai chai khon thai' (Not a Thai person).
  • Use 'Mai Chai' to deny an identity: 'Mai chai phom' (It is not me).
  • Use 'Mai Chai' in questions: 'Mai chai rue?' (Is it not?).
Mai Chai + [Noun/Identity]

Overview

개요
태국 웨이터에게 관광객이 아니라고 말하려고 했던 적이 있나요? 아마 mai chai를 사용했을 것입니다...

Negation Structure

Subject Negation Noun/Identity Meaning
Phom
mai chai
khru
I am not a teacher
Nee
mai chai
nang-sue
This is not a book
Khao
mai chai
khon thai
He is not Thai
Man
mai chai
maew
It is not a cat
Pha-sa
mai chai
yaak
The language is not difficult
Nee
mai chai
baan
This is not a house

Common Shortened Forms

Full Spoken/Casual
Mai chai
Mai chai (often elided to 'mai' in very fast speech)

Meanings

Used to negate nouns, pronouns, or noun phrases, indicating that the subject is not the object mentioned.

1

Identity Negation

Denying that something is a specific thing or person.

“เขาไม่ใช่หมอ (He is not a doctor)”

“นี่ไม่ใช่บ้านของฉัน (This is not my house)”

Reference Table

Reference table for 태국어로 정체성 부정하기 (mai chai)
Subject Negation Identity Polite
Phom
mai chai
kru
khrup
Chan
mai chai
naksueksa
kha
Khun
mai chai
khon thai
khrup
Man
mai chai
maeo
kha
Phom
mai chai
phuean
khrup
Chan
mai chai
khon ruy
kha

격식 수준 스펙트럼

격식체
นี่ไม่ใช่หนังสือครับ/ค่ะ

นี่ไม่ใช่หนังสือครับ/ค่ะ (General)

중립
นี่ไม่ใช่หนังสือ

นี่ไม่ใช่หนังสือ (General)

비격식체
ไม่ใช่หนังสือ

ไม่ใช่หนังสือ (General)

속어
ไม่ใช่อ่ะ

ไม่ใช่อ่ะ (General)

Negation Concept Map

Negation

Nouns

  • mai chai Not identity

Verbs/Adj

  • mai Not action/state

Mai vs Mai Chai

Mai Chai
Noun Identity
Mai
Verb/Adj Action/Quality

Decision Flow

1

Is the word a Noun?

YES
Use 'mai chai'
NO
Check for Verb/Adj
2

Is it a Verb/Adj?

YES
Use 'mai'
NO ↓

Grammar Grid

👤

Identity

  • • Teacher
  • • Student
  • • Friend
❌

Negation

  • • mai chai
  • • mai chai
  • • mai chai
무료 가입하고 전체 설명 읽기

수준별 예문

1

นี่ไม่ใช่หมา

This is not a dog.

2

เขาไม่ใช่คนไทย

He is not Thai.

3

ไม่ใช่ของฉัน

It is not mine.

4

ไม่ใช่ที่นี่

It is not here.

1

ไม่ใช่เรื่องตลกนะ

It is not a joke.

2

นี่ไม่ใช่เวลาทำงาน

This is not work time.

3

เขาไม่ใช่เพื่อนของฉัน

He is not my friend.

4

ไม่ใช่ร้านนี้

It is not this shop.

1

ไม่ใช่ความผิดของเขา

It is not his fault.

2

ไม่ใช่ทางเลือกที่ดีที่สุด

It is not the best choice.

3

ไม่ใช่แค่เรื่องเงิน

It is not just about money.

4

ไม่ใช่สิ่งที่ฉันคาดหวัง

It is not what I expected.

1

ไม่ใช่เรื่องที่จะยอมรับได้ง่ายๆ

It is not something easily accepted.

2

ไม่ใช่เหตุผลที่เพียงพอ

It is not a sufficient reason.

3

ไม่ใช่ประเด็นหลักในตอนนี้

It is not the main issue right now.

4

ไม่ใช่ว่าฉันไม่ชอบนะ

It is not that I don't like it.

1

ไม่ใช่ว่าเขาไม่รู้ แต่เขาแกล้งทำ

It is not that he doesn't know, but he is pretending.

2

ไม่ใช่เรื่องบังเอิญอย่างแน่นอน

It is certainly not a coincidence.

3

ไม่ใช่สิ่งที่ใครจะทำได้ง่ายๆ

It is not something anyone can do easily.

4

ไม่ใช่แค่ทฤษฎี แต่เป็นการปฏิบัติ

It is not just theory, but practice.

1

ไม่ใช่เพียงแค่ความเห็นส่วนตัว แต่เป็นข้อเท็จจริง

It is not merely a personal opinion, but a fact.

2

ไม่ใช่เรื่องที่จะละเลยได้

It is not a matter that can be ignored.

3

ไม่ใช่การตัดสินใจที่ปราศจากความเสี่ยง

It is not a decision without risk.

4

ไม่ใช่ว่าเราจะทำไม่ได้ แต่เราเลือกที่จะไม่ทำ

It is not that we cannot do it, but we choose not to.

혼동하기 쉬운

Negating Identity in Thai (mai chai) 대 Mai vs Mai Chai

Learners use 'mai' for everything.

Negating Identity in Thai (mai chai) 대 Mai Chai vs Mai Chai Rue

Learners forget the question particle.

Negating Identity in Thai (mai chai) 대 Mai Chai vs Mai Pen

Both can mean 'not'.

자주 하는 실수

✗

Mai khru

✓

Mai chai khru

Using 'mai' for a noun.
✗

Chai mai

✓

Mai chai

Reversing the order.
✗

Mai chai kin

✓

Mai kin

Using 'mai chai' for a verb.
✗

Mai chai

✓

Mai chai [noun]

Leaving the sentence hanging.
✗

Mai chai pai

✓

Mai pai

Negating a verb with 'mai chai'.
✗

Mai chai khon thai

✓

Mai chai khon thai

Correct, but sometimes learners omit 'khon'.
✗

Mai chai rue

✓

Mai chai rue?

Missing the question intonation.
✗

Mai chai khong phom

✓

Mai chai khong phom

Correct, but learners struggle with possessive pronouns.
✗

Mai chai wa...

✓

Mai chai wa...

Using it incorrectly in complex sentences.
✗

Mai chai...

✓

Mai chai...

Overusing it for emphasis.
✗

Mai chai...

✓

Mai chai...

Using it in formal writing where a more formal negation is needed.
✗

Mai chai...

✓

Mai chai...

Misplacing the negation in long clauses.
✗

Mai chai...

✓

Mai chai...

Negating abstract concepts incorrectly.

문장 패턴

Nee ___ ___ ___.

Khao ___ ___ ___.

___ ___ ___ rue?

Mai chai ___ ___ ___.

Real World Usage

Social Media very common

Mai chai rueang jing!

Texting constant

Mai chai na

Job Interview occasional

Mai chai praden lak

Travel common

Mai chai thang nee

Food Delivery common

Mai chai sen lek

Classroom common

Nee mai chai kham top

무료 가입하고 모든 예문 보기
💡

Keep it noun-focused

Only use mai chai when talking about what something IS or ISN'T.
⚠️

Don't use with verbs

Saying mai chai kin is like saying 'not the truth eat'. It sounds very confusing!
💬

Politeness matters

Always add kha or khrup at the end to keep your negation friendly.

Smart Tips

Always use 'mai chai'.

Phom mai khru → Phom mai chai khru

Add 'rue' at the end.

Nee mai chai nang-sue → Nee mai chai nang-sue rue?

Check if it's an action or a thing.

Mai chai kin → Mai kin

Add 'khrap/kha' at the end.

Mai chai → Mai chai khrap

발음

mài châi

Tone

Mai (low tone) Chai (falling tone).

Question

Mai chai rue? (Rising at the end)

Is it not?

암기하기

기억법

Mai Chai sounds like 'My Chai' (tea). Imagine saying 'This is not my tea!' to remember it.

시각적 연상

Imagine a person holding a book, but they shake their head and say 'Mai Chai' while pointing at a different object.

Rhyme

For a noun you want to deny, just say the words Mai Chai.

Story

I walked into a shop. I pointed at a cat and said 'Maew'. The shopkeeper said 'Mai chai maew'. I looked closer. It was a toy! 'Ah, mai chai maew', I laughed.

Word Web

MaiChaiKhonNeeNanArai

챌린지

Point at 5 objects in your room and say 'Nee mai chai [object name]' for each.

문화 노트

Thais often use 'mai chai' to gently correct someone without being rude.

Derived from 'mai' (not) and 'chai' (to be/the truth).

대화 시작하기

“

Nee chai nang-sue mai?

“

Khao chai khru mai?

“

Nee chai rueang jing mai?

“

Khun chai khon thai mai?

일기 주제

Write 3 things that are not in your room.
Describe a person you know and say what they are not.
Correct a false statement about your day.
Explain why a certain object is not what it seems.

자주 하는 실수

Incorrect

정답

Incorrect

정답

Incorrect

정답

Incorrect

정답

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Test Yourself

Fill in the blank to say 'I am not a student'.

Phom _____ naksueksa.

✓ Correct! ✗ Not quite. Correct answer: mai chai
We use mai chai for identity (naksueksa = student).
Which sentence is correct? 객관식

Choose the grammatically correct sentence:

✓ Correct! ✗ Not quite. Correct answer: Phom mai chai kru.
mai chai must stay together before the noun.
Find and fix the mistake Error Correction

Find and fix the mistake:

Chan mai chai pai baan.

✓ Correct! ✗ Not quite. Correct answer: Chan mai pai baan.
Since 'pai' (go) is a verb, use mai instead of mai chai.

Score: /3

연습 문제

8 exercises
Fill in the blank.

Nee ___ ___ nang-sue.

✓ Correct! ✗ Not quite. Correct answer: mai chai
Nouns require 'mai chai'.
Which is correct? 객관식

He is not a teacher.

✓ Correct! ✗ Not quite. Correct answer: Khao mai chai khru
Need the noun.
Fix the sentence. Error Correction

Find and fix the mistake:

Phom mai khru.

✓ Correct! ✗ Not quite. Correct answer: Phom mai chai khru
Need 'mai chai'.
Reorder the words. Sentence Reorder

nang-sue / mai / nee / chai

✓ Correct! ✗ Not quite. Correct answer: Nee mai chai nang-sue
Subject + mai chai + noun.
Translate to Thai. 번역

It is not a cat.

✓ Correct! ✗ Not quite. Correct answer: Man mai chai maew
Correct structure.
Match the negation. Match Pairs

Match the meaning.

✓ Correct! ✗ Not quite. Correct answer: All of the above
All are correct.
Build a sentence. Sentence Building

Use 'mai chai' and 'khon thai'.

✓ Correct! ✗ Not quite. Correct answer: Khao mai chai khon thai
Correct word order.
Which is correct? 객관식

Is this not a book?

✓ Correct! ✗ Not quite. Correct answer: Nee mai chai nang-sue rue?
Question structure.

Score: /8

Practice Bank

10 exercises
Translate 'It is not a cat'. 빈칸 채우기

Man _____ maeo.

✓ Correct! ✗ Not quite. Correct answer: mai chai
Fix: Man mai chai suai. Error Correction

Man mai chai suai.

✓ Correct! ✗ Not quite. Correct answer: Man mai suai.
Reorder the words. Sentence Reorder

kru / mai chai / phom

✓ Correct! ✗ Not quite. Correct answer: phom mai chai kru
Translate to Thai. 번역

That is not my phone.

✓ Correct! ✗ Not quite. Correct answer: Nan mai chai thurasaap khong phom.
Which is correct? 객관식

Choose the negation for 'my friend'.

✓ Correct! ✗ Not quite. Correct answer: mai chai phuean
Negate the noun 'tourist'. 빈칸 채우기

Phom _____ nakthongthiao.

✓ Correct! ✗ Not quite. Correct answer: mai chai
Fix: Khun mai chai kin khao. Error Correction

Khun mai chai kin khao.

✓ Correct! ✗ Not quite. Correct answer: Khun mai kin khao.
Match the English to Thai. Match Pairs

Match: Not a teacher / Not a student

✓ Correct! ✗ Not quite. Correct answer: mai chai kru / mai chai naksueksa
Which is correct? 객관식

Negating 'This is a car'.

✓ Correct! ✗ Not quite. Correct answer: Nee mai chai rot
Negate the identity 'doctor'. 빈칸 채우기

Khao _____ mor.

✓ Correct! ✗ Not quite. Correct answer: mai chai

Score: /10

자주 묻는 질문 (8)

No, use 'mai' for verbs.

It is neutral and used everywhere.

Add 'rue' at the end.

It sounds incomplete; always include the noun.

No, it is gender-neutral.

Use 'mai' for feelings.

Yes, it is standard.

'Mai chai' is identity; 'mai pen' is ability.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

무료 가입하고 연습하기

In Other Languages

Spanish high

no es

Thai does not conjugate for person.

French high

ce n'est pas

Thai is much shorter.

German moderate

ist nicht

Word order is different.

Japanese high

ja nai

Thai is a particle-based language.

Chinese high

bu shi

Thai tones change the meaning.

Arabic moderate

laysa

Arabic has complex gender agreement.

Learning Path

Prerequisites

Previous
태국어 부정문(mai) 마스터하기
Next
태국어의 금지 표현: '~하지 마'라고 말하는 법 (`ya`)

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