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

New to Thai Grammar?

Start with the basics and build your foundation step by step.

Start Here
Active filters: CEFR level: A2
A2 Verb Tenses Verified

The Past Marker 'laew' (Already)

Add `laew` after a verb to signal that an action is finished, just like saying 'already'.

  • Place `laew` after the verb to indicate completion...
  • Thai verbs never change form regardless of time.
10 examples 3 exercises 20 FAQ
Read rule
A2 Verb Tenses Verified

Talking About Experiences (Keuy)

Use `keuy` before a verb to describe an experience you have had in the past.

  • Use `keuy` to talk about life experiences.
  • Place `keuy` directly before the verb.
10 examples 3 exercises 3 FAQ
Read rule
A2 Verb Tenses Verified

Completed Action with `dai`

Use `dai` after a verb to confirm you successfully completed an action or managed to do it.

  • Place `dai` after the verb to show completion.
  • It emphasizes successful execution of an action.
12 examples 2 exercises 20 FAQ
Read rule
A2 Time Expressions Verified

Mastering Thai Past Time Markers

Thai grammar uses specific time markers instead of verb conjugations to indicate past events.

  • Thai verbs never change regardless of tense.
  • Time markers provide the context for when actions...
5 examples 2 exercises 1 FAQ
Read rule
A2 Verb Tenses Verified

The Future Marker 'ja'

Add `ja` directly before your verb to express future intentions or actions in Thai.

  • Place `ja` before the verb to indicate future tens...
  • Thai verbs do not conjugate, making this very easy...
3 examples 1 exercises
Read rule
A2 Verb Tenses Verified

Expressing Intent (ตั้งใจจะ)

Use `ตั้งใจจะ` when you want to emphasize that you have truly decided to do something.

  • Use `ตั้งใจจะ` to express clear personal intention...
  • It combines 'determined' with the 'will' marker.
6 examples 2 exercises 3 FAQ
Read rule
A2 Verb Tenses Verified

Predictive Future in Thai (ja - จะ)

Simply place the particle `ja` before any verb to transform your sentence into the predictive future tense.

  • Place `ja` before the main verb to indicate future...
  • The word `ja` never changes regardless of the subj...
10 examples 3 exercises 20 FAQ
Read rule
A2 Comparisons Verified

Thai Comparisons: Using 'kwa' (more than)

Simply place 'kwa' after any adjective to instantly turn it into a comparative 'more than' statement.

  • Use 'kwa' after the adjective to mean 'more than'.
  • Thai adjectives do not change form when compared.
10 examples 3 exercises 20 FAQ
Read rule
A2 Comparisons Verified

Equality Comparisons in Thai (tao-kan)

Use `tao-kan` at the end of your comparison to show that two things are exactly equal.

  • Used to say two things are equal in quality.
  • Follows the [Subject] + [Adjective] + [Subject] +...
10 examples 3 exercises 20 FAQ
Read rule
A2 Comparisons Verified

Negative Comparisons in Thai (ไม่...เท่า)

To say something is not as good as something else, use the pattern: Subject + ไม่ + adjective + เท่า + Comparison Object.

  • Use 'ไม่' + adjective + 'เท่า' to express negative...
  • This structure means 'not as [adjective] as'.
5 examples 2 exercises 2 FAQ
Read rule
A2 Nouns & Articles Verified

Thai Animal Classifiers (tua)

Always place the classifier after the number when quantifying nouns in Thai.

  • Thai nouns always need a classifier when counted.
  • The order is: Noun + Number + Classifier.
6 examples 3 exercises 2 FAQ
Read rule
A2 Nouns & Articles Verified

Thai Abstract Classifiers (laksana-naam)

Always place the classifier after the noun and before the number to sound fluent in Thai.

  • Classifiers categorize nouns by shape or type.
  • Order: Noun + Classifier + Number.
10 examples 2 exercises 20 FAQ
Read rule
A2 Nouns & Articles Verified

Classifier Omission in Thai (Casual Speech)

Classifier omission is a natural shortcut used in casual Thai, similar to informal English texting abbreviations.

  • Drop classifiers in casual speech for speed.
  • Works perfectly for simple, daily objects.
5 examples 2 exercises 3 FAQ
Read rule
A2 Basic Verbs Verified

Identity 'Pen'

Overview Using `pen` (เป็น) is your first major hurdle in Thai. It means "to be," but not for everything. Think of it as your permanent "identity" tag. You use it for nouns, roles, or defining who som...

8 exercises 8 FAQ
Read rule
A2 Basic Verbs Verified

Location Verb: How to use `yu` (to be at)

The verb `yu` acts as your personal location tag to state where someone or something exists.

  • Use `yu` to describe where someone or something is...
  • It never changes form regardless of the subject.
5 examples 2 exercises 1 FAQ
Read rule
A2 Verbs System Verified

Action vs State Verbs in Thai (`กำลัง`)

Use `กำลัง` only for physical actions, never for states of being like knowing or loving.

  • Use `กำลัง` for physical actions happening now.
  • Never use `กำลัง` with state verbs like 'know' or...
10 examples 3 exercises 20 FAQ
Read rule
A2 Modal Verbs Verified

Ability 'Dai' (Can/Able)

The word `dai` is your universal 'can' in Thai, needing no conjugation or changes based on the subject.

  • Use `dai` to express ability or possibility.
  • It never changes regardless of the subject.
10 examples 3 exercises 20 FAQ
Read rule
A2 Modal Verbs Verified

Asking for Permission in Thai (dai)

Adding `dai mai` to the end of your verb turns any action into a polite permission request.

  • Place `dai mai` at the end of a sentence for permi...
  • It works for all subjects without changing form.
10 examples 3 exercises 20 FAQ
Read rule
A2 Modal Verbs Verified

Expressing Wants in Thai (`yak`)

The word `yak` is your go-to Thai term for expressing casual wants and desires in daily life.

  • Use `yak` for casual desires and actions.
  • Place `yak` directly before the verb you want to d...
10 examples 3 exercises 20 FAQ
Read rule
A2 Prepositions Verified

Thai Spatial Prepositions (at, in, on)

Spatial prepositions in Thai act as simple location markers placed directly before the noun you are describing.

  • Use `ที่` for generic locations like 'at'.
  • Use `ใน` when something is physically inside.
10 examples 2 exercises 3 FAQ
Read rule
A2 Prepositions Verified

Directional Verbs (ma/pai)

Always add `ma` for 'towards me' and `pai` for 'away from me' to clarify your movement.

  • Use `ma` for movement toward the speaker.
  • Use `pai` for movement away from the speaker.
10 examples 3 exercises 20 FAQ
Read rule
A2 Prepositions Verified

Thai Movement Markers: Pai and Maa

Always anchor your movement markers to where you are standing right now.

  • Use `pai` for movement away from your current loca...
  • Use `maa` for movement toward your current locatio...
4 examples 2 exercises 1 FAQ
Read rule
A2 Prepositions Verified

Thai Relative Location (บน, ใน, ใต้)

Thai relative location follows a simple [Subject] + [Preposition] + [Reference] structure, making it intuitive once you visualize the space.

  • Place the object before the location word.
  • Use `bon` for surfaces and `nai` for containers.
10 examples 3 exercises 20 FAQ
Read rule
A2 Adverbs Verified

Thai Habitual Markers (bpkati, prajam)

Use `bpkati` before your verb to easily describe habitual actions in Thai.

  • Use `bpkati` to express 'usually' in your daily ro...
  • Place the habitual marker directly before the verb...
10 examples 3 exercises
Read rule

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.