Thai

Vowel symbols placed before, after, above, and below consonants, including short–long contrasts.

Consonant classes, syllable types, vowel length, tone marks, and the rules determining lexical tone.

Syllable formation, consonant clusters, final consonants, silent symbols, and common spelling patterns.

Personal pronouns, names, kinship terms, titles, and context-sensitive ways of addressing others.

Subject–verb–object order, omitted subjects and objects, modifiers, and basic sentence formation.

Identity, classification, status, and definition using เป็น, คือ, and clauses without an overt copula.

Questions with ไหม, หรือ, หรือเปล่า, rising confirmation patterns, and short answers.

Questions with ใคร, อะไร, ที่ไหน, เมื่อไร, ทำไม, อย่างไร, เท่าไร, and ไหน.

Cardinal numbers, zero, decimals, large quantities, telephone numbers, and common numerical expressions.

Counting people and objects with common classifiers and noun–number–classifier order.

นี้, นั้น, โน้น, noun–classifier–demonstrative patterns, and references to nearby or distant entities.

Possession with ของ, possessive pronouns, relationships expressed through noun sequences, and omitted possessive markers.

Relatives, household relationships, marital status, children, generations, and introducing family members.

Clock time, parts of the day, duration, frequency, and Thai expressions for telling time.

Days, months, years, dates, Buddhist and Gregorian year references, deadlines, and schedules.

Everyday actions, habitual events, frequency expressions, and sequencing a typical day.

Actions in progress with กำลัง, อยู่, กำลัง...อยู่, and contextual omission of aspect markers.

Negation with ไม่, ไม่ได้, ไม่ใช่, ยังไม่, ไม่มี, and negative answers.

Rooms, furniture, household objects, utilities, and descriptions of living spaces.

Existence, possession, presence, and location with มี, อยู่, มีอยู่, and location phrases.

Locations and spatial relationships with ใน, บน, ใต้, หน้า, หลัง, ข้าง, ระหว่าง, and ใกล้.

Property verbs, adjective-like predicates, noun modification, degree words, and descriptive clauses.

Comparisons with กว่า, เท่ากัน, เหมือน, ต่างกัน, ที่สุด, and proportional expressions.

Foods, drinks, ingredients, meals, flavors, dietary needs, and ordering in restaurants.

Amounts, portions, containers, measurements, approximate quantities, and expressions with มาก, น้อย, and พอ.

Commands, prohibitions, invitations, and requests with imperative verbs, อย่า, ช่วย, ขอ, and กรุณา.

ครับ, ค่ะ, คะ, จ้ะ, นะ, สิ, เถอะ, and other particles affecting politeness and interpersonal tone.

Prices, money, bargaining, payment methods, sizes, product availability, exchanges, and returns.

Clothing, footwear, accessories, colors, patterns, materials, fit, and appearance.

Vehicles, routes, fares, stations, traffic, departure, arrival, and using public transportation.

Asking for and giving directions, landmarks, distances, turns, routes, and navigation instructions.

Future reference, intention, prediction, and plans with จะ, กำลังจะ, ตั้งใจ, and temporal context.

Completed and changed situations with แล้ว, ได้, ได้...แล้ว, and context-based past reference.

Experiences and prior occurrence with เคย, ไม่เคย, เคย...มา, and frequency expressions.

Repetition and return with อีก, กลับ, ใหม่, ซ้ำ, and expressions for doing something again.

Body parts, physical appearance, movement, bodily states, and common physical sensations.

Symptoms, illness, injury, medication, treatment, recovery, and communicating with healthcare providers.

Arranging, confirming, changing, and canceling meetings, reservations, and medical appointments.

Temperature, rain, wind, storms, seasons, forecasts, and discussing changing conditions.

Landscapes, plants, animals, natural features, materials, and relationships within the natural world.

Leisure activities, collections, creative pursuits, games, and discussing free-time interests.

Sports, exercise, equipment, rules, scores, competition, training, and physical performance.

Invitations, acceptance, refusal, availability, arrangements, and proposing shared activities.

Likes, dislikes, favorites, preferences, priorities, and choosing between alternatives.

Happiness, sadness, anger, fear, surprise, embarrassment, disappointment, and emotional intensity.

Physical and mental ability with ได้, เป็น, ไหว, สามารถ, and ทำ...ได้.

Necessity, obligation, permission, and prohibition with ต้อง, จำเป็น, ควร, ได้, and ห้าม.

Suggestions, recommendations, warnings, and advice with ควร, น่าจะ, ลอง, อย่า, and ถ้า...ก็.

Reasons, explanations, causes, and results with เพราะ, เพราะว่า, เนื่องจาก, เลย, จึง, and ทำให้.

Coordination and sequence with และ, แล้ว, แล้วก็, ก่อน, หลัง, ต่อจากนั้น, and สุดท้าย.

Tickets, passports, luggage, lodging, check-in, check-out, facilities, and travel problems.

Opening and closing calls, identifying callers, leaving messages, connection problems, and call management.

Texting, online accounts, applications, notifications, privacy settings, and common digital interactions.

Schools, subjects, courses, assignments, qualifications, classroom activities, and educational goals.

Age, build, facial features, personality, behavior, habits, and neutral or tactful descriptions of people.

Friendship, romantic relationships, trust, conflict, support, separation, and interpersonal boundaries.

Self-reference with ตัวเอง and mutual actions with กัน, ซึ่งกันและกัน, and reciprocal verb patterns.

ทุก, บาง, หลาย, แต่ละ, ใด, อื่น, ทั้งหมด, ไม่มีใคร, and indefinite noun phrases.

Classifier choice, repetition, approximation, definiteness, ordering, and idiomatic classifier constructions.

Relational words functioning as prepositions or verbs, including กับ, จาก, ถึง, โดย, เพื่อ, ต่อ, and ตาม.

Sequences of verbs expressing movement, intention, manner, purpose, consequence, and closely connected actions.

Movement and orientation with ไป, มา, เข้า, ออก, ขึ้น, ลง, กลับ, ผ่าน, and direction combinations.

Results and endpoints with เสร็จ, หมด, ทัน, ถูก, พบ, and verb combinations indicating successful completion.

Giving, allowing, arranging, and acting for someone with ให้ in benefactive and complement patterns.

Caused events with ทำให้, ให้, บังคับให้, ช่วยให้, and verbs encoding direct or indirect causation.

Adverse, neutral, and formal passive meanings with ถูก, โดน, ได้รับ, and agent phrases.

Noun modification with ที่, ซึ่ง, อัน, zero markers, resumptive elements, and embedded relative clauses.

Statements, thoughts, reports, and quotations embedded with ว่า, ว่า...หรือไม่, and omitted complementizers.

Verb complements involving intention, perception, knowledge, memory, effort, beginning, stopping, and success.

Real and likely conditions with ถ้า, หาก, ถ้าหาก, เมื่อ, provided conditions, and ก็ in consequence clauses.

Imagined, unlikely, and contrary-to-fact situations using ถ้า...คง, ถ้า...ก็จะ, น่าจะ, and past contextual framing.

Goals and intended outcomes with เพื่อ, เพื่อให้, จะได้, ให้, and purpose-oriented serial verbs.

Contrast and concession with แต่, แต่ว่า, อย่างไรก็ตาม, แม้, ถึงแม้, ถึง...ก็, and ทั้งที่.

Before, after, when, while, until, since, whenever, and time limits in dependent clauses.

Simultaneous and developing events with ขณะที่, ระหว่างที่, ไปด้วย...ไปด้วย, ยิ่ง...ยิ่ง, and increasingly progressive patterns.

Completive, experiential, progressive, habitual, prospective, inchoative, and continuative aspect across connected discourse.

Certainty, probability, possibility, expectation, and deduction with คง, อาจ, อาจจะ, น่าจะ, ต้อง, and คงจะ.

Appearances, evidence, hearsay, and speaker inference with ดูเหมือน, เหมือนกับว่า, ท่าทาง, เห็นว่า, and ได้ยินว่า.

Topic-first organization, topic markers, left-dislocated phrases, contrastive topics, and topic continuity.

Information focus with ก็, เอง, เท่านั้น, แค่, แม้แต่, โดยเฉพาะ, นี่แหละ, and focused word order.

Omitted subjects, objects, verbs, and repeated information recoverable from context.

นะ, ล่ะ, เลย, หรอก, มั้ง, แหละ, นี่, นั่น, เชียว, and other particles expressing stance and discourse function.

Spoken reductions, contracted forms, clipped questions, informal variants, and rapid conversational phrasing.

Formal pronouns, lexical substitutions, complete clause patterns, impersonal phrasing, and respectful public communication.

Status-sensitive pronouns, titles, respectful verbs, institutional terminology, and highly formal lexical choices.

Postal services, utilities, identification documents, forms, queues, complaints, and interactions with public agencies.

Accidents, hazards, lost property, police assistance, evacuation, warnings, and urgent requests for help.

Income, expenses, savings, debt, interest, accounts, transfers, insurance, and household budgeting.

Renting, ownership, repairs, maintenance, neighbors, facilities, utilities, and residential problems.

Pollution, conservation, climate, energy, waste, ecosystems, sustainability, and environmental consequences.

Shapes, calculations, measurement, matter, forces, living systems, experiments, and scientific explanation.

Devices, networks, software, automation, artificial intelligence, cybersecurity, and technological change.

Population, generations, inequality, migration, accessibility, social groups, and changing social conditions.

Rules, responsibility, evidence, wrongdoing, penalties, contracts, legal processes, and individual rights.

Government bodies, elections, public administration, policy, representation, and civic participation.

Supply, demand, prices, markets, taxation, trade, inflation, and the effects of economic decisions.

Concrete and abstract nouns for ideas, qualities, processes, relationships, systems, and states.

Stating, supporting, qualifying, and defending opinions with reasons, examples, comparisons, and counterarguments.

Agreement, partial agreement, objection, correction, rebuttal, and respectful disagreement across registers.

Proposals, persuasion, compromise, priorities, alternatives, conditions, and mutually acceptable outcomes.

Tentative claims, softened requests, face-saving disagreement, indirect criticism, and cautious recommendations.

Defining terms, identifying categories, distinguishing related concepts, and stating necessary or sufficient features.

Direct, indirect, contributing, and unintended causes expressed through precise connective and verb choices.

Addition, contrast, reformulation, exemplification, conclusion, transition, and relationships between extended ideas.

Process and quality nouns with การ, ความ, ภาวะ, การที่, and clauses functioning as noun phrases.

Noun compounds, verb compounds, prefix-like elements, suffix-like elements, and productive formation of new expressions.

Repetition for plurality, distribution, approximation, attenuation, intensification, iteration, and expressive effect.

Common word partnerships, verb–object pairings, conventional modifiers, and register-sensitive lexical combinations.

Multiple meanings shaped by context, metaphorical extensions, grammatical function, and common ambiguity patterns.

Fixed expressions, idiomatic verb phrases, conventional comparisons, and nonliteral everyday meanings.

Metaphor, metonymy, analogy, personification, and figurative descriptions used in sophisticated communication.

Ideophones and expressive words for motion, texture, appearance, intensity, repetition, and sensory impressions.

Intensity with มาก, มากๆ, เหลือเกิน, สุดๆ, ทีเดียว, จัง, แสน, and idiomatic degree constructions.

Questions used for challenge, persuasion, surprise, criticism, confirmation, and emphasis rather than information seeking.

Spacing conventions, repetition marks, abbreviation marks, punctuation, Thai and Arabic numerals, and document formatting conventions.

อักษรนำ, implied vowels, nonconforming tone patterns, complex clusters, silent letters, and difficult spelling distinctions.

Alternative spellings, formal spellings, loanword adaptation, abbreviations, acronyms, and conventional written variants.

Differences between conversational and formal clause structure, lexical density, explicit reference, and connective choice.

Apposition, parenthetical information, stacked modifiers, nested relative clauses, and compact noun phrase structures.

Clause chaining, subordination, coordination, embedding, and balancing multiple relationships in a single sentence.

Given and new information, reference continuity, contrast, emphasis, and strategic ordering of sentence elements.

Reference through pronouns, demonstratives, repetition, omission, classifiers, and lexical substitution across extended discourse.

Presupposition, implication, conversational inference, indirect meaning, and conclusions dependent on shared context.

Degrees of certainty, obligation, desirability, feasibility, and speaker commitment in layered modal expressions.

Combined conditions, exceptions, necessary conditions, sufficient conditions, concessions, and alternative outcomes.

Narrative viewpoint, event order, backgrounding, foregrounding, flashbacks, turning points, and temporal transitions.

Detailed accounts of shape, space, movement, texture, sound, color, atmosphere, and subjective perception.

Praise, criticism, annoyance, affection, sympathy, disbelief, and emotional positioning through vocabulary and particles.

Literal and ironic meaning, teasing, sarcasm, understatement, exaggeration, and signals preventing misinterpretation.

Neutral, affectionate, blunt, vulgar, euphemistic, and offensive alternatives for socially sensitive subjects.

Differences associated with region, age, social relationship, setting, and identity while maintaining command of standard Thai.

English-derived vocabulary, hybrid compounds, transliteration patterns, code-switching, and choices between borrowed and Thai terms.

Formal concepts, hypotheses, variables, methods, evidence, limitations, interpretation, and relationships among complex ideas.

Claims, supporting evidence, source attribution, uncertainty, correlation, causation, generalization, and methodological caution.

Values, duties, fairness, freedom, responsibility, identity, truth, and reasoned discussion of ethical dilemmas.

Near-synonyms, subtle contrasts, semantic restrictions, connotations, register differences, and exact lexical selection.

Opening, maintaining, shifting, and closing conversations while managing participation and interpersonal alignment.

Clarification requests, confirmation checks, reformulation, correction, misunderstanding repair, and recovery from communication breakdowns.

Taking, holding, yielding, interrupting, and reclaiming turns with particles, discourse markers, and incomplete clauses.

Time, place, person, discourse, and social deixis through context-dependent expressions such as นี่, นั่น, ตอนนี้, and คนนี้.

Cohesion through conjunction, repetition, substitution, ellipsis, lexical chains, parallel structures, and consistent reference.

Recognizing and producing casual, intimate, neutral, respectful, formal, ceremonial, technical, and institutional varieties appropriately.

Double meanings, punning compounds, playful reinterpretation, sound-based ambiguity, and deliberate manipulation of lexical structure.

Fine distinctions among เป็น, คือ, มี, อยู่, ได้, ให้, เอา, and other highly multifunctional words across grammatical contexts.

Particle combinations, ordering constraints, interactional implications, and subtle contrasts among closely related final expressions.

Native-like economy through omission, compact serial verbs, conventional phrasing, idiomatic reference, and avoidance of unnatural overstatement.