Thai Grammar Hub

Understand Thai Grammar Faster

Browse the grammar system by level and category, then open clear explanations with practical examples.

291 Total Rules
75 Chapters
7 CEFR level
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Active filters: CEFR level: A1
A1 Pronouns Verified

Thai Pronouns for Beginners (Phom/Chan)

In Thai, your choice of 'I' depends on your gender and the social distance of your listener.

  • • Phom is the polite pronoun for men.
  • • Chan is the pronoun for women or casual speech.
10 examples 2 exercises 20 FAQ
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A1 Honorifics & Register Verified

Thai Honorifics (Khun, Phi, Nong)

Using Khun, Phi, and Nong correctly is the fastest way to signal respect and build trust in Thai culture.

  • • Khun is for polite, neutral, or unknown social sta...
  • • Phi is for people older than you or in higher posi...
5 examples 2 exercises 2 FAQ
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A1 Plurals Verified

Pluralizing Thai Pronouns (puak)

To pluralize pronouns in Thai, simply add the prefix `puak` before the singular pronoun.

  • • Thai pronouns don't change form for pluralization.
  • • Add the prefix `puak` before the pronoun to make i...
10 examples 3 exercises 20 FAQ
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A1 Discourse & Pragmatics Verified

Dropping Pronouns in Thai

In Thai, pronouns are optional and usually omitted when the context makes it clear who is speaking.

  • • Drop pronouns when the subject is obvious from con...
  • • Using pronouns in every sentence sounds robotic an...
5 examples 2 exercises 1 FAQ
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A1 Nouns Verified

Thai Noun Basics: No Plurals, No Stress

Thai nouns stay the same regardless of quantity, so just focus on the number and classifier.

  • • Thai nouns never change form for plurals.
  • • Place the number after the noun.
4 examples 2 exercises 2 FAQ
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A1 Nouns Verified

Thai Classifiers: How to Count Things

Always add a classifier after the number when counting items to sound natural and correct in Thai.

  • • Thai nouns need classifiers to count items.
  • • Order: Noun + Number + Classifier.
10 examples 3 exercises 20 FAQ
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A1 Word Order Verified

Mastering Thai SVO (Subject-Verb-Object) Word Order

Thai uses a simple Subject-Verb-Object order where verbs remain unchanged regardless of the speaker.

  • • Thai follows the Subject-Verb-Object (SVO) order.
  • • Verbs never change form, no matter the subject.
10 examples 3 exercises 20 FAQ
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A1 Verb System Verified

Thai Verb Basics: No Conjugation (The Easy Way)

Thai verbs are unchanging base forms that rely on context markers rather than conjugation.

  • • Thai verbs never change regardless of the subject.
  • • No conjugation means no irregular verb memorizatio...
10 examples 3 exercises 20 FAQ
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A1 Basic Verbs Verified

Thai 'To Be': Using `pen` and `keu` correctly

Use `pen` for roles and `keu` for definitions, but never use either for locations.

  • • Use `pen` for roles, jobs, or permanent states.
  • • Use `keu` to equate two noun phrases (A is B).
4 examples 2 exercises 2 FAQ
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A1 Basic Verbs Verified

Existence and Location: `mee` and `yu`

Use `mee` for having things and `yu` for telling people where you are located.

  • • Use `mee` for possession or existence of things.
  • • Use `yu` to describe a location or where someone s...
10 examples 3 exercises 20 FAQ
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A1 Questions Verified

The Thai Question Particle (ไหม)

Simply place `mai` at the end of your sentence to turn any statement into a yes/no question.

  • • Add `mai` to the end of any statement to make it a...
  • • Works for any yes/no question in Thai.
7 examples 2 exercises 4 FAQ
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A1 Questions Verified

Thai Question Words (Arai/Tee-nai/Krai)

In Thai, keep your sentence structure normal and just replace the missing information with the question word.

  • • Thai question words stay in the same position as t...
  • • Use `arai` for objects, `tee-nai` for locations, a...
11 examples 2 exercises 2 FAQ
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A1 Questions & Negation Verified

Asking Yes/No Questions in Thai (ไหม)

Simply place the particle `ไหม` at the end of any statement to turn it into a question.

  • • Add `ไหม` to the end of a statement to make a ques...
  • • Thai word order never changes for yes/no questions...
2 examples 1 exercises 1 FAQ
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A1 Word Order Verified

Thai Question Order (In-situ)

In Thai, keep the question word exactly where the answer would be in a normal sentence.

  • • Thai question words stay in the same position as t...
  • • Do not move question words to the start of the sen...
4 examples 2 exercises 1 FAQ
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A1 Negation Verified

Mastering Thai Negation (mai)

Simply place `mai` before your verb or adjective to negate any Thai sentence instantly.

  • • Place `mai` directly before the verb or adjective.
  • • It acts like the English word 'not'.
12 examples 3 exercises 20 FAQ
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A1 Negation Verified

Negating Identity in Thai (mai chai)

Use `mai chai` to clarify who or what you are not, keeping it strictly for noun-based identities.

  • • Use `mai chai` to negate nouns or identities.
  • • Place `mai chai` before the noun you are denying.
10 examples 3 exercises 19 FAQ
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A1 Negation Verified

Thai Negation: Using `mai` (Not)

In Thai, keep your negatives singular, because adding two negatives creates a positive meaning.

  • • Use one negative word per sentence.
  • • Place `mai` before the verb or adjective.
10 examples 3 exercises 20 FAQ
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A1 Adjectives Verified

Thai Adjective Order (Noun + Adjective)

In Thai, always place the adjective after the noun it describes, without using a linking verb.

  • • Adjectives always follow the noun.
  • • No 'is' or 'are' needed.
10 examples 2 exercises 20 FAQ
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A1 Adjectives Verified

Using Adjectives as Verbs in Thai

In Thai, adjectives are stative verbs, so you never need to use 'to be' to describe something.

  • • Thai adjectives function as verbs.
  • • No 'to be' verb needed.
10 examples 2 exercises 5 FAQ
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A1 Adjectives Verified

Thai Colors: How to describe things

In Thai, place the noun before the color, and skip the 'is' verb entirely.

  • • Nouns always come before adjectives in Thai.
  • • No gender or plural agreement for colors.
10 examples 2 exercises 10 FAQ
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A1 Prepositions Verified

Thai Location Basics: On, In, Under (bon, nai, tai)

Mastering `bon`, `nai`, and `tai` allows you to pinpoint locations accurately without needing complex verb changes.

  • • Use `bon` for items resting on top of a surface.
  • • Use `nai` to describe things inside containers or...
3 examples 2 exercises 1 FAQ
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A1 Prepositions Verified

Thai Directional Markers (`pai` and `maa`)

Use `pai` to move away from the speaker and `maa` to move toward them.

  • • Use `pai` for movement away from the speaker.
  • • Use `maa` for movement toward the speaker.
12 examples 3 exercises 20 FAQ
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A1 Prepositions Verified

Near vs Far in Thai (ใกล้/ไกล)

Mastering the tone difference between `glai` (near) and `glai` (far) is the secret to accurate directions.

  • • Use `glai` (mid tone) for near locations.
  • • Use `glai` (low tone) for far locations.
2 examples 1 exercises 1 FAQ
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A1 Particles Verified

Polite Particles: Khrap and Ka

Always add your gender-specific polite particle at the end of sentences to sound respectful and natural.

  • • Khrap is for male speakers to sound polite.
  • • Ka is for female speakers to sound polite.
12 examples 2 exercises 20 FAQ
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A1 Particles Verified

Thai Particles: Adding Tone and Politeness

Thai particles are essential tools that change the tone and politeness of your spoken sentences.

  • • Particles act as emotional punctuation for your se...
  • • Place them at the end of every sentence.
10 examples 2 exercises 2 FAQ
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Why Learn Thai Grammar?

Grammar is the foundation of language fluency. Without understanding grammar patterns, you can memorize vocabulary but struggle to form correct sentences. Here's why structured grammar study matters:

Build Accurate Sentences

Move beyond memorized phrases. Understand the rules so you can create original, correct sentences in any situation.

Pass Language Exams

Grammar is tested in every major language exam — IELTS, DELE, DELF, JLPT, HSK, TOPIK, and more. Our CEFR-aligned curriculum maps directly to exam requirements.

Understand Native Speakers

Knowing grammar helps you parse complex sentences, understand nuance, and follow conversations even when speakers use advanced constructions.

Progress Faster

Students who study grammar systematically reach fluency faster than those who rely on immersion alone. Structure accelerates learning.

How Our Thai Grammar Course Works

1

Choose Your Level

Start with your CEFR level — from A0 Zero Point to C2 Mastery. Not sure? Begin at A0 and progress at your own pace.

2

Study Structured Chapters

Each chapter covers a grammar topic with clear explanations, pattern tables, and real-world example sentences.

3

Practice with Exercises

Test your understanding with interactive exercises — fill-in-the-blank, multiple choice, sentence building, and translation practice.

4

Track & Progress

Your progress is saved automatically. Complete chapters, unlock new levels, and watch your grammar mastery grow.

Frequently Asked Questions About Thai Grammar

SubLearn covers 291 Thai grammar rules organized across 7 CEFR proficiency levels (from A0 to C2), spanning 75 structured chapters. Each rule includes clear explanations, real-world examples, and interactive practice exercises.

Our Thai grammar curriculum covers CEFR levels from A0 to C2. Each level is designed to match your current proficiency — beginners start with basic sentence patterns at A1, while advanced learners tackle nuanced structures at C1-C2.

Yes! All Thai grammar rules, explanations, and examples are completely free to access. You can browse the full curriculum, read detailed explanations, and practice with exercises at no cost.

Grammar is organized into 75 thematic chapters following the CEFR framework. Each chapter groups related rules together — for example, verb tenses, sentence structure, or particles — so you can learn related concepts in a logical sequence.

Yes! Create a free account to track which grammar rules you've studied, see your progress across all CEFR levels, and pick up exactly where you left off. Your learning progress syncs across devices.

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