Thai Grammar Hub

Understand Thai Grammar Faster

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

300 Total Rules
75 Chapters
7 CEFR level
Start Here Open Vocabulary Open Idioms & Phrases
Understand Thai Grammar Faster

New to Thai Grammar?

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

Start Here
A1
A1

A1 Chapters

Beginner · 64 Total Rules

You can understand and use everyday phrases. Grammar at this level covers present tense, basic sentence patterns, and simple questions.

Present tense basics Yes/no questions Articles & pronouns
5

Who's Who: Pronouns and Titles

Exploring the complex system of Thai pronouns based on gender and social status. Learn how to address others appropriately.

4 rules

6

The World of Objects: Nouns and Classifiers

Introduction to Thai classifiers, a unique feature for counting objects. Learn how to categorize items correctly.

4 rules

7

Basic Sentence Building

Constructing simple SVO sentences in Thai. Understanding the lack of verb conjugation.

4 rules

8

Asking for Information

Using question words like 'arai', 'tee-nai', and 'mai' to form inquiries. Mastering the art of the Thai question.

4 rules

9

Negation and Affirmation

How to say 'no' and 'not' using 'mai' and 'mai chai'. Building negative responses in conversation.

4 rules

10

Describing the World: Adjectives

Using adjectives to modify nouns and their placement after the noun. Exploring descriptive patterns.

4 rules

11

Time and Place

Using prepositions to indicate location and basic time expressions. Navigating daily schedules.

4 rules

12

The Polite Particle System

Mastering 'khrap' and 'ka' to show politeness. Understanding how these particles define social distance.

4 rules

13

Possession and Belonging

Using the particle 'khong' to indicate ownership. Expressing relationships between people and things.

4 rules

14

Numbers and Counting

Learning Thai numerals and their usage in daily transactions. Practice with money and prices.

4 rules

15

Common Verbs for Daily Life

Essential verbs for movement, eating, and communication. Building a core vocabulary.

4 rules

16

Connecting Ideas

Using basic conjunctions like 'lae' and 'tae' to link thoughts. Creating longer, more complex sentences.

4 rules

59

Common Verbs: Movement

Verbs like 'pai', 'ma', 'klap'. Essential for navigation.

4 rules

60

Common Verbs: Eating

Verbs like 'kin', 'duem', 'sang'. Essential for dining.

4 rules

73

Demonstrative Pronouns

Using 'nee', 'nan', 'noon' for proximity.

4 rules

74

Time: Days of the Week

The seven-day cycle in Thai.

4 rules

A2
A2

A2 Chapters

Elementary · 60 Total Rules

You're building confidence. Grammar expands to past tense, comparisons, and connecting ideas with conjunctions.

Past tense forms Comparisons Connecting sentences
17

Talking About the Past

Using markers like 'laew' and 'dai' to indicate completed actions. Understanding aspect over tense.

4 rules

18

Planning for the Future

Using 'ja' to express intent and future events. Discussing upcoming plans and goals.

4 rules

19

Comparisons and Superlatives

How to say 'more than' and 'the most' in Thai. Comparing objects and people effectively.

4 rules

20

Advanced Classifiers

Deep dive into specific classifiers for animals, people, and abstract concepts. Refining your counting skills.

4 rules

21

Describing States and Changes

Using 'pen' vs 'yu' vs 'keu' for states of being. Distinguishing between existence and identity.

4 rules

22

Modality: Can, Should, Must

Expressing ability, obligation, and permission using modal verbs. Navigating social expectations.

4 rules

23

Location and Direction

Advanced prepositions for movement and spatial relationships. Describing travel and navigation.

4 rules

24

Habitual Actions

Expressing frequency and routine using adverbs of time. Describing daily habits.

4 rules

25

Giving Commands and Requests

Softening requests and giving instructions politely. Using imperatives in a Thai context.

4 rules

26

Descriptive Adverbs

Modifying verbs to describe how actions are performed. Adding nuance to your speech.

4 rules

27

Reflexive and Reciprocal Pronouns

Using 'tua-eng' and 'kan' to express self-action and mutual interaction.

4 rules

28

Expressing Preferences

Using 'chob' and 'yak' to talk about likes and desires. Sharing personal interests.

4 rules

61

Time: Months and Years

The Thai calendar system and lunar months.

4 rules

62

Quantifiers

Using 'took', 'bang', 'bai' for quantity.

4 rules

75

Comparison: 'Kwa' vs 'Tee-sud'

Advanced comparison structures.

4 rules

B1
B1

B1 Chapters

Intermediate · 48 Total Rules

The breakthrough level. You can express opinions, describe experiences, and handle most travel situations. Grammar covers conditionals, modal verbs, and passive voice.

Conditionals Modal verbs Reported speech
29

Complex Sentence Structures

Using relative clauses to add detail to nouns. Expanding sentence breadth.

4 rules

30

Conditional Sentences

Using 'tha' to express hypothetical situations and consequences. Mastering 'if-then' logic.

4 rules

31

Passive Voice and Reported Speech

Understanding the use of 'thuk' for negative passive and 'dai-rab' for positive. Reporting what others said.

4 rules

32

Advanced Verb Aspects

Nuanced use of aspect markers to describe ongoing vs. completed states. Fine-tuning timing.

4 rules

33

Causative Constructions

Using 'hai' to express making or letting someone do something. Complex command structures.

4 rules

34

Emphatic Particles

Using particles like 'si', 'na', and 'wa' to add emotion and emphasis. Sounding more natural.

4 rules

35

Nominalization

Turning verbs into nouns using 'kaan' and 'kwam'. Expanding vocabulary through prefixes.

4 rules

36

Expressing Purpose and Reason

Using conjunctions for causal relationships. Explaining 'why' and 'how' in detail.

4 rules

37

Advanced Time Expressions

Describing duration and specific points in time with precision. Managing complex timelines.

4 rules

38

Idiomatic Expressions

Common Thai idioms for daily life. Understanding the cultural subtext of phrases.

4 rules

63

Relative Clauses with 'tee'

Using 'tee' to create complex noun modifiers.

4 rules

64

Conditional 'tha' and 'phi'

Advanced 'if' structures.

4 rules

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 300 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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