CU-TFL (Thai as a Foreign Language) flashcards

32 cards. Read the term and the definition here. The deck at the top of this page is optional.

Thai tone marks

The four marks ่ ้ ๊ ๋ correspond to เอก (low), โท (falling), ตรี (high), and จัตวา (rising) tones. An unmarked syllable takes a tone determined by its initial consonant class and whether it is live or dead.

Consonant classes

Thai consonants are grouped as mid (อักษรกลาง), high (อักษรสูง), and low (อักษรต่ำ). The class of the initial consonant, together with the syllable type, determines the actual tone of an unmarked syllable.

Live vs dead syllables

A live syllable ends in a vowel, semivowel, or nasal; a dead syllable ends in a stop (-ก -ด -บ) or a short vowel. Low-class dead syllables with short vowels take high tone; with long vowels they take falling tone.

Politeness particles

ครับ is used by male speakers; ค่ะ by female speakers in statements; คะ by female speakers in questions or as a softener. These particles mark speaker gender and polite register and are frequent in listening dialogues.

Final consonants in Thai

Thai final consonants reduce to three stop sounds (-ก, -ด, -บ) and three nasals (-ง, -น, -ม). This reduction explains why spelling and pronunciation diverge and why listening items test final-sound discrimination.

Thai question words

ใคร (who), อะไร (what), ที่ไหน (where), เมื่อไร (when), ทำไม (why), อย่างไร (how), เท่าไร (how much). They appear in situ, not at the start of the sentence, so listening must track the whole clause.

Aspirated vs unaspirated initials

Thai distinguishes unaspirated (ป ต ก), aspirated (ผ ท ข), and voiced (บ ด) initials. Confusing them changes the word, e.g. ปา/ผา/พา and ตา/ทา/ดา, a common listening distracter.

Thai aspect markers

จะ marks future, กำลัง progressive, แล้ว completed, ได้ past or ability, and เคย experiential past. Thai verbs do not inflect, so these auxiliaries carry the temporal meaning.

Thai classifiers

Classifiers (ลักษณนาม) follow numbers: คน 3 คน (three people), หนังสือ 2 เล่ม (two books), รถ 3 คัน (three cars). Using the wrong or missing classifier is a frequent reading distracter.

Passive with ถูก and โดน

ถูก forms passives and often implies an undesirable outcome; โดน is adversative and colloquial; ได้รับ is neutral. Recognising which passive is used helps infer the writer's stance in reading passages.

Thai logical connectors

เพราะ/เนื่องจาก (because), ดังนั้น/จึง (therefore), แต่ (but), แม้ว่า/ถึงแม้ (although), ถ้า/หาก (if), เพื่อ (in order to). These mark the logical relation that reading questions often ask about.

Thai numerals

๐ ๑ ๒ ๓ ๔ ๕ ๖ ๗ ๘ ๙ are the Thai digits. They appear in formal and traditional documents, while Arabic numerals are standard in modern text; both may appear in reading passages.

Buddhist Era years

Thai documents often date events in พ.ศ. (Buddhist Era), which is 543 years ahead of the Gregorian year. To convert, subtract 543; this is a common reading comprehension calculation.

ไม้ยมก ( ๆ )

The repetition mark ๆ repeats the preceding word: เด็ก ๆ (children), เร็ว ๆ (quickly). It signals plurality, intensity, or informality and changes meaning, so it must not be skipped when reading.

Thai word order

Thai is Subject-Verb-Object, and modifiers follow the words they modify: บ้านหลังใหญ่ (big house), วิ่งเร็ว (run fast). Adjectives and adverbs come after the noun or verb, unlike English.

Thai spacing convention

Thai has no sentence-final full stop; spaces mark phrase or clause boundaries. Writers use spaces and paragraph breaks to signal structure, so spacing carries much of the punctuation load.

ทัณฑฆาต (silent mark)

The mark ์ placed above a consonant marks it as silent, usually in Pali-Sanskrit loanwords: จันทร์, สัตว์, ศาสตร์. Correct use of this mark is tested in writing and spelling items.

Thai nominalisers

prefixes การ- and ความ- turn verbs and adjectives into nouns: การเรียน (studying), ความสุข (happiness). ผู้- marks an agent, as in ผู้เรียน (learner). These are productive in formal writing.

Formal Thai letter layout

A formal Thai letter includes ที่ (reference), วันที่ (date), เรื่อง (subject), เรียน (salutation), the body, ลงชื่อ (signature), and เอกสารแนบ (enclosures). The order is fixed and tested in writing tasks.

ไ- versus ใ-

Two distinct vowel signs: ไ- (as in ไทย) and ใ- (as in ใจ). They sound the same but are spelled differently, and confusing them is a frequent spelling error in writing tasks.

Register in written Thai

Academic and formal writing avoids the spoken particles ครับ/ค่ะ and prefers กระผม/ดิฉัน or neutral pronouns. Informal writing uses ครับ/ค่ะ and colloquial vocabulary. Register choice is a scoring criterion.

Comparison structures

กว่า marks the comparative (ดีกว่า, better than); ที่สุด marks the superlative (ดีที่สุด, best). Equality uses เท่ากัน or เหมือนกัน. These appear frequently in reading and writing items.

Thai reduplication

Repeating a word, often with ๆ, signals plurality, intensity, or informality: เด็ก ๆ (children), เร็ว ๆ (quickly), ดี ๆ (well). It is a productive device in both writing and speech.

ครับ and ค่ะ usage

ครับ is used by male speakers; ค่ะ by female speakers in statements; คะ by female speakers in questions or as a softener. Omitting them sounds abrupt, and using the wrong one signals the wrong gender.

Softening particles

หน่อย, หน่อยนะ, ซี, สิ, นะ, and ล่ะ soften requests and statements or mark stance. They are frequent in speaking items and change politeness without changing the propositional content.

Thai address terms

พี่ (older sibling/peer), น้อง (younger), ลุง (uncle), ป้า (aunt), คุณ (polite you), ท่าน (formal he/she). Choice depends on age and relationship, and pronouns are often dropped entirely.

อยู่ as location marker

อยู่ที่ marks location (อยู่ที่บ้าน, at home) and กำลัง...อยู่ marks progressive aspect (กำลังเรียนอยู่, currently studying). Both are frequent in spoken dialogue and listening items.

Responding to thanks

ไม่เป็นไร (it's nothing) or ยินดีครับ/ยินดีค่ะ (you're welcome) are natural responses to ขอบคุณ. Direct translation of English responses sounds unnatural and is a common speaking error.

Tone accuracy in speech

Tone errors are not recoverable from context in speech as they are in writing. มา (come), ม้า (horse), and หมา (dog) differ only by tone, so tone production is a core speaking criterion.

Thai yes-no questions

Yes-no questions are formed by adding ไหม, หรือ, or หรือเปล่า to a statement, or by using ไม่ + verb + question word. The answer repeats the verb rather than using a bare yes or no.

Thai backchannels

ครับ/ค่ะ, อือ, and จริง ๆ serve as listener responses that signal attention and yield turns. Staying silent can be perceived as not listening, so backchannelling is part of spoken interaction.

Modal particles in speech

นะ marks gentle urging, ซี marks obviousness, สิ marks encouragement, and ล่ะ marks a mild question or contrast. These particles carry stance and are tested in speaking and listening items.