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
Understand Thai Grammar Faster

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A0 Writing System Verified

The 44 Thai Consonants (Phayanchana)

The 44 Thai consonants are the foundation for reading and writing, categorized by tone classes that shape how words sound.

  • Thai has 44 consonants divided into three tone cla...
  • Most consonants are used in daily writing and text...
10 examples 3 exercises 20 FAQ
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A0 Writing System Verified

Thai Consonant Classes (High, Mid, Low)

The class of your starting consonant is the master switch that determines the tone of your word.

  • Thai consonants are divided into High, Mid, and Lo...
  • The class of the initial consonant dictates the to...
10 examples 2 exercises 20 FAQ
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A0 Pronunciation Verified

Thai Pronunciation: Final Consonant Stops

Mastering Thai final consonants means learning to stop the airflow, not just pronouncing letters.

  • Initial consonants provide the word's starting ene...
  • Final consonants are often 'unreleased' stops.
9 examples 2 exercises 2 FAQ
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A0 Script & Writing Verified

Thai Script Basics: Reading the Alphabet

Thai script is a logical system where consonant shapes and positions determine the sound and tone.

  • Thai script uses consonants with inherent vowels.
  • Consonants are grouped into three tone-defining cl...
10 examples 2 exercises 2 FAQ
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A0 Writing System Verified

Thai Vowels: The Building Blocks (Sara)

Thai vowels are positional symbols that wrap around consonants to create unique, distinct sounds.

  • Thai vowels can appear above, below, before, or af...
  • Every syllable requires at least one consonant as...
10 examples 3 exercises 20 FAQ
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A0 Pronunciation Verified

Thai Vowel Length: Short vs Long

In Thai, vowel length is a primary feature that determines the meaning of a word.

  • Short vowels are quick and snappy.
  • Long vowels are held for twice the duration.
10 examples 3 exercises 20 FAQ
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A0 Writing System Verified

Mastering Thai Tone Marks (Wannayuk)

Thai tone marks (Wannayuk) are essential visual cues that shift the pitch and meaning of every word.

  • Wannayuk are tone marks that change word meaning.
  • There are four main marks: mai ek, mai tho, mai tr...
4 examples 2 exercises 4 FAQ
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A0 Sentence Structure Verified

Mastering Thai Syllable Structure (Syllables)

Thai language relies on stacking individual, rhythmic, single-syllable units to form meaning without changing word endings.

  • Thai syllables consist of an initial consonant, a...
  • There are no complex verb conjugations or plural e...
5 examples 2 exercises 2 FAQ
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A0 Pronunciation Verified

The Five Thai Tones (The Musical Language)

Tones are the musical foundation of Thai; ignoring them makes your speech unintelligible to locals.

  • Thai has five tones: Mid, Low, Falling, High, and...
  • Tones change the meaning of words completely, so p...
10 examples 2 exercises 20 FAQ
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A0 Pronunciation Verified

Polite Particles in Thai (`khrap` & `kha`)

Using `khrap` and `kha` at the end of sentences is the essential way to show respect in Thai.

  • Use `khrap` if you are male to sound polite.
  • Use `kha` if you are female to sound polite.
10 examples 3 exercises 20 FAQ
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A0 Pronunciation Verified

Thai Politeness Particles (`krap`/`ka`)

Adding `krap` or `ka` to the end of your sentences is the easiest way to sound instantly polite in Thai.

  • Use `krap` if you identify as male.
  • Use `ka` if you identify as female.
12 examples 3 exercises 20 FAQ
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A0 Pronunciation Verified

Mastering Thai Tones (The Basics)

In Thai, the pitch of your voice changes the word's meaning, so practice your tones to be understood.

  • Thai has five distinct tones.
  • Pitch changes word meaning.
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A0 Particles Verified

Polite Particles (Khrap/Ka)

Adding `khrap` or `ka` to the end of your sentences is the golden rule for sounding polite and respectful in Thai.

  • Use `khrap` if you are male to sound polite.
  • Use `ka` if you are female to sound polite.
10 examples 2 exercises 20 FAQ
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A0 Expressions & Patterns Verified

The Essential Thai Greeting (Sawatdee)

`Sawatdee` is your universal Thai greeting, made polite by adding `kráp` or `kâ` at the end.

  • Use `Sawatdee` for both hello and goodbye.
  • Add `kráp` if you identify as male.
10 examples 3 exercises 22 FAQ
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A0 Expressions & Patterns Verified

Thai Polite Particles (ครับ/ค่ะ)

Always add `ครับ` or `ค่ะ` to the end of your sentences to sound polite in Thai.

  • Use `ครับ` (krap) if you identify as male.
  • Use `ค่ะ` (ka) if you identify as female.
6 examples 2 exercises 2 FAQ
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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.
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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...
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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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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.