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Vietnamese

tiếng Việt — Austroasiatic. Isolating and tonal, with six tones and no inflection at all. Modifiers follow the noun, classifiers are obligatory with numerals, and person is expressed by kinship terms rather than pronouns.

This is read-only. A copy is an ordinary language of yours, editable everywhere, and it remembers that it started here.

Where the answers came from

27 answers are from a database — WALS, Grambank or PHOIBLE — and every one is checked against the published coding. 270 are from a reference grammar, and those carry the mark below wherever they appear.

from a grammar — no published coding exists for that question, so the answer is a judgement rather than a citation.

Written from: Thompson, A Vietnamese Reference Grammar (1965); Nguyễn Đình-Hoà, Vietnamese (1997)

Sentences

ProtoLingua reproduces 69% of a speaker's own translation of these seven sentences, counted word part by word part, in order.

This measures ProtoLingua rather than Vietnamese. The databases record where a marker sits and whether it exists, never what it is, and the app carries one suffix per category — so a language that packs several categories into one ending loses a mark on every inflected word. The translation uses the same words as the entry, so the comparison is of word order, agreement, case, tense and the marker forms.

NounPronounVerbAdjectiveAdverbAdpositionConjunctionDeterminerInterjection grammatical marker
The big cat quickly jumped into the green grass.
Mèo
cat
cat
lớn
big
big
cái
DEF
The
nhảy
jump
jumped
quickly
quickly
quickly
vào
into
into
cỏ
grass
grass
xanh
green
green
cái
DEF
the

A speaker would say: con mèo lớn nhảy nhanh vào cỏ xanh — 67% of it comes out.

I am going home.
Tôi
i
I
đang
PROG
—
đi
go
going
nhà
home
home

A speaker would say: tôi đi nhà — 75% of it comes out.

She did not see the two birds.
Cô ấy
—
she
She
không
—
NEG
not
thấy
—
see
see
hai
hai
two
two
chim-chim
—
bird.PL
birds
cái
—
DEF
the

A speaker would say: cô ấy không thấy hai con chim — 75% of it comes out.

Did the old woman give the child a book?
Phụ nữ
woman
woman
già
old
old
cái
DEF
the
cho
give
give
đứa trẻ
child
child
cái
DEF
the
sách
book
book
một
INDEF
a
không
Q
—

A speaker would say: phụ nữ già đã cho đứa trẻ một cuốn sách phải không — 67% of it comes out.

My brother is a farmer.
Anh
anh
brother
brother
my
—
My
My
nông dân
—
farmer
farmer
một
—
INDEF
a

A speaker would say: anh tôi là nông dân — 60% of it comes out.

The man who saw me left.
Người đàn ông
man
man
cái
DEF
The
thấy
see
saw
me
me
me
rời
leave
left

A speaker would say: người đàn ông thấy tôi đã rời — 71% of it comes out.

I know that she left.
Tôi
i
I
biết
know
know
cô ấy
she
she
rời
leave
left

A speaker would say: tôi biết rằng cô ấy đã rời — 71% of it comes out.

Rendered from the answers that govern an ordinary clause — order, adpositions, case, tense, agreement, plural, and where modifiers sit. The answers below that exist to demonstrate one feature each are left out of the rendering, because switching all of them on at once puts every marker on every word. The vocabulary is two dozen words, so anything with no word yet stays in English.

The answers

Syntax

Question Answer Source
In a plain statement, what order do the subject, the verb and the object come in? SVO — subject, verb, object (English, Mandarin, Swahili) WALS 81A, Grambank GB130
Do words like "in", "to" and "with" come before or after the noun? Before — prepositions ("in the house") WALS 85A, Grambank GB074, Grambank GB075
Where do phrases like "in the garden" or "with a knife" sit? Always after the verb WALS 84A
In a question like "what did she see?", where does the question word go? Where the answer would go — "she saw what" WALS 93A
Does an adjective come before or after the noun it describes? After the noun WALS 87A, Grambank GB193
Does a numeral come before or after the noun? Before ("two birds") WALS 89A, Grambank GB024
Do articles and demonstratives come before or after the noun? After ("cat the" — Scandinavian, Romanian) WALS 88A, Grambank GB025
Does a possessor come before or after the thing possessed? After ("brother my", "dog the-farmer") from a grammar
Where does the negative particle go? Before the verb ("not go") WALS 143A
Where does a relative clause go? After the noun — "the man who saw me". English, Arabic, Swahili WALS 90A
What happens to the missing argument inside the clause? Nothing at all — the hole is simply left. Japanese, Mandarin from a grammar
How far down can relativisation reach? Down to obliques — "the house I live in". English, Basque from a grammar
Which side of the main clause does it go? After — "I left when she arrived" from a grammar
How is a yes/no question formed? A question particle (Japanese ka, Mandarin ma, Polish czy) WALS 116A, Grambank GB260
Where does the question particle go? At the end of the sentence WALS 92A, Grambank GB262, Grambank GB263
Where does a manner adverb like "quickly" sit? After the verb from a grammar
In "she gave the child a book", which one is treated as the object? Both, equally — neither is marked WALS 105A
Can a clause modify a noun? ("the man who saw me") Yes from a grammar
Can a clause be the object of a verb? ("I know that she left") Yes from a grammar
How is such a clause joined on? Nothing marks the join — "I know she left" from a grammar
Where does the complementiser sit? At the front of its clause — "that she left" from a grammar
What is the complementiser? rằng from a grammar
What is the relativiser? mà from a grammar
Can a clause set the circumstances? ("when she arrived, I left") Yes from a grammar
How is a circumstance clause marked? A conjunction opens it — "when", "because", "although" from a grammar
What is the general-purpose subordinator? khi from a grammar
What turns a clause into a noun? sự from a grammar
Does a subordinate verb carry the same marking as a main verb? Yes — fully marked, exactly like a main verb from a grammar
Do subordinate clauses have their own word order? No from a grammar
Can unlike things be joined — a noun and a clause? Yes from a grammar
Can a repeated verb be left out of the second half? Yes — "I ate rice and she, bread" from a grammar
How is a comparison made? An "exceed" verb — "the cat is big exceeds the dog". West Africa, Mandarin from a grammar
What marks the standard of comparison? hơn from a grammar
How is a superlative made? A separate marker — "the biggest" from a grammar
What is the superlative marker? nhất from a grammar
How is "as big as" expressed? A dedicated equative marker from a grammar
What is the equative marker? bằng from a grammar
How does the language say "himself"? A reflexive pronoun — English, German from a grammar
What is the reflexive marker? mình from a grammar
How does the language say "each other"? A phrase — "one another" from a grammar
What is the reciprocal marker? nhau from a grammar
Which arguments can bind a reflexive? Only a subject — the commonest arrangement from a grammar
Must a reflexive and its antecedent share a clause? Yes — as in English from a grammar
How is "I have a book" expressed? A verb "have" — English, French from a grammar
Are body parts and kin possessed differently from objects? No — one construction for everything from a grammar
Is a temporary possession marked differently from a lasting one? No — one construction for both from a grammar
Is a possession that has ended marked differently from a current one? No — the tense of the clause does it from a grammar
How is one part of a sentence emphasised? By a focus particle from a grammar
Is there a dedicated position for the topic? Yes — the topic comes first, whatever its role from a grammar
How is "there is a cat" expressed? A dedicated existential verb from a grammar
Do multiple negatives reinforce rather than cancel? No — two negatives make a positive from a grammar
How is a negative command formed? Ordinary negation plus the imperative from a grammar
Is the word joining two nouns the same as the one joining two clauses? Yes — one word for both from a grammar
Where does a degree word like "very" go? After the adjective — big very from a grammar
How does the language say "the house is big"? With a copula, as a noun would take — "the house is big" from a grammar
Is "she is a doctor" built the same way as "she is in the house"? The same — one copula covers both from a grammar
Is the word for "and" also the word for "all"? No — separate words from a grammar
Can an adjective stand without its noun — "the big one"? Yes, with nothing added from a grammar
Is the emphatic "herself" the same word as the reflexive one? Yes — one word does both from a grammar
Are there nouns that must always be possessed? No — any noun can stand alone from a grammar
In "she went to the market to buy bread", does "buy" carry its own tense? No — it gives up tense and agreement from a grammar
The word that opens a purpose clause để from a grammar
In "I left because she arrived", does "arrived" carry its own tense? Yes — it is marked like any other verb from a grammar
How does the language say "I want her to leave"? It has one, as English does from a grammar
In "her leaving surprised me", what is "her"? The doer, taking the case a subject takes from a grammar
In "she made him leave", how is "leave" joined on? It simply follows, unmarked from a grammar

Grammar

Question Answer Source
Does the language distinguish singular from plural? Yes from a grammar
Does it distinguish "the" from "a"? Yes WALS 37A, Grambank GB020
How does it keep subjects and objects apart? Word order alone — no case WALS 98A, Grambank GB409
What tenses does the verb distinguish? No tense — time comes from context from a grammar
Does it distinguish "is going" from "goes"? Yes from a grammar
Does the verb agree with its subject? No from a grammar
Does "be" appear as a verb — "my brother is a farmer"? No, the two halves simply sit side by side from a grammar
Which voices does the verb have? Active and passive — "the bird was seen" from a grammar
How is voice marked on the verb? A word of its own beside the verb from a grammar
What marks the passive? be from a grammar
Can a passive say who did it? Yes, introduced by an adposition — "by the cat" from a grammar
Which adposition introduces the agent? by from a grammar
What number distinctions are there? No number marking at all from a grammar
Does the language sort nouns into classes? No Grambank GB051, Grambank GB052
Do adjectives and verbs change to match the noun's class? No from a grammar
Which moods does the verb distinguish? Statement only from a grammar
Must a speaker say how they know? No — it is optional or absent from a grammar
Is there a way to say "make someone do it" on the verb? No — a separate verb is used from a grammar
Can the verb promote an oblique to object? No from a grammar
What aspects does the verb distinguish? Perfective against imperfective — Slavic, Arabic from a grammar
Does "we" distinguish whether the hearer is included? Yes — a separate inclusive and exclusive "we" from a grammar
Does the verb change according to who is being addressed? No from a grammar
Does negating a sentence change anything else about the verb? No — the negative is added and nothing else moves from a grammar
How many cases does the language distinguish? None from a grammar
Where is the relationship between words marked — on the head or on the dependent? On neither — word order carries it, as in Vietnamese from a grammar
How does a noun get its gender? By meaning alone — what the noun refers to decides from a grammar
Is there a way to say "X and those with X"? No — a plural means more of the same thing from a grammar
Does the verb itself show whether "we" includes the hearer? No — only the pronoun makes the distinction from a grammar
What else changes when a clause is negated? The verb loses its tense or agreement to a negative auxiliary from a grammar
How do the subject and object cases differ in form? Both are marked, and neither is built from the other from a grammar
Do pronouns take the same cases as ordinary nouns? Pronouns are nominative-accusative from a grammar
Does a command use a special form of the verb? No — the ordinary verb, with the subject left out from a grammar
Is there a form for "may it be so" — a wish? No from a grammar
Does the past distinguish how long ago? No — one past from a grammar
Is the future a tense, or a mood? A mood — grouped with wishes and intentions from a grammar
Is there a perfect — a past with present relevance? Yes — "I have eaten" against "I ate" from a grammar
What does the article system track? There is no article from a grammar
Do possessed nouns change form? No from a grammar
Does the verb say whether the next clause has the same subject? No from a grammar
Does the verb agree with the object as well as the subject? No from a grammar
What kind of classifier does counting need? A numeral classifier — "three FLAT rice-paper". Mandarin, Thai, Japanese from a grammar
Is plural marking optional? Yes — used only when it matters from a grammar
Can part of a sentence be negated on its own? No — negation is always the whole clause from a grammar
Does negation take two parts? No — one marker from a grammar
Who can be commanded? The hearer only from a grammar
Are there verbs with irregular negative forms? None from a grammar

Morphology

Question Answer Source
How much does the language bind onto a word? Isolating — nothing is bound; every category is its own word (Mandarin, Vietnamese) WALS 20A
How is the plural attached? A separate plural word beside the noun from a grammar
What is the plural marker? những from a grammar
How is case attached? Not expressed at all WALS 51A, Grambank GB070
How is tense attached? Not expressed at all WALS 69A
What marks the past? đã from a grammar
What marks the future? sẽ from a grammar
What marks the present, or the non-past? — from a grammar
How is the progressive attached? A separate aspect particle beside the verb from a grammar
What marks the progressive? đang from a grammar
How is subject agreement attached? Not expressed at all from a grammar
Third person singular ("she", "the cat") — from a grammar
Is the negator a separate word or part of the verb? A separate particle from a grammar
What is the negator? không from a grammar
How is definiteness attached? Separate words, the way English does it from a grammar
What is the definite marker ("the")? cái from a grammar
What is the indefinite marker ("a")? một from a grammar
Do third-person pronouns distinguish gender? No — one word for he, she and it from a grammar
Is there more than one word for "you"? Several levels — Javanese, Thai from a grammar
How many degrees of distance do demonstratives have? Three — here, there, yonder. Spanish, Japanese, Latin from a grammar
Do demonstratives mark elevation or direction? No from a grammar
What does the counting system group by? Tens from a grammar
Where do numerals sit relative to what they count? Before — three dogs from a grammar
Are there separate ordinal numbers? Yes — first, second, third from a grammar
How are new words most often made? By compounding — German Handschuh, glove from hand-shoe from a grammar
How is "one who does X" formed? người from a grammar
How is a diminutive formed? nhỏ from a grammar
How is an abstract noun formed from an adjective? sự from a grammar
Are there infixes — pieces inserted inside a word? No from a grammar
Are the commonest words irregular in a way no rule explains? No — everything is regular from a grammar
Where do clitics attach? There are none from a grammar
Where does a possessive marker attach? Nowhere — a possessor is a separate word only from a grammar
Do adpositions change form for their object? No — the adposition is invariant from a grammar
How is "someone" or "something" formed? From a generic noun — "person", "thing" from a grammar
Is "this" the same word standing alone as it is before a noun? Identical — "this book" and "I want this" from a grammar
Is the third-person pronoun related to a demonstrative? Unrelated — separate words with separate histories from a grammar
Is there a way to say "two each"? Yes, with a separate word from a grammar
How does a pronoun become plural? A different word entirely — like "I" and "we" from a grammar
Does a verb change shape for how many are doing it? No from a grammar
How is "she can leave" — ability or circumstance — marked? A separate word, as English does from a grammar
The form for ability or circumstance có thể from a grammar
How is "she may leave" — possibility — marked? A separate word from a grammar
The form for possibility có lẽ from a grammar
How is "she must leave" — obligation — marked? A separate word from a grammar
The form for obligation phải from a grammar
What is the question particle? không from a grammar

Phonology

Question Answer Source
What may a syllable look like? (C)(w)V(C) from a grammar
Fewest syllables in a word 1 from a grammar
Most syllables in a word 2 from a grammar
Which syllable is stressed? No fixed rule from a grammar
Does vowel length change a word's meaning? No — length is not contrastive from a grammar
Does consonant length change a word's meaning? No from a grammar
Does pitch on a syllable change a word's meaning? Three or more levels, or contours. Mandarin, Vietnamese, Thai PHOIBLE segments
Where does stress fall? No stress at all from a grammar
Can stress alone tell two words apart? No from a grammar
Are there nasal vowels distinct from oral ones? No PHOIBLE segments
How do stops contrast? Voiced against voiceless — /b/ against /p/. English, French from a grammar
Are there ejective or implosive consonants? No PHOIBLE segments
Are there retroflex consonants? No PHOIBLE segments
Are there uvular consonants? No PHOIBLE segments
Are there clicks? No PHOIBLE segments
Do the vowels in a word have to match? No from a grammar
What happens to a voiced consonant at the end of a word? Nothing — it stays voiced from a grammar
How many consonants may start a syllable? One only — Japanese, Hawaiian from a grammar
How may a syllable end? One consonant from a grammar
Can a consonant be a syllable on its own? No from a grammar
Is there a minimum size a word must reach? No from a grammar
Does the language repeat part of a word to change its meaning? Both, for different purposes from a grammar
What makes a syllable heavy? Either a long vowel or a closing consonant from a grammar
What is the rhythm of the language? Syllable-timed — every syllable takes about the same time. Spanish, Italian, Japanese from a grammar
Do unstressed vowels weaken? No — every vowel keeps its quality from a grammar
What does the pitch do at the end of a statement? Falls from a grammar
What does the pitch do in a yes/no question? Rises from a grammar
How large is the sound inventory meant to be? Average — around 25 to 35 from a grammar
How many vowels? Twelve or more, or with length and nasality multiplying them from a grammar
Are some vowels transparent to harmony? No from a grammar
Do neighbouring consonants become more alike? Both from a grammar
Is a vowel inserted to break up an awkward cluster? No — the cluster stands or the word is refused from a grammar
Are sounds dropped in fast or casual speech? Yes from a grammar
Which syllable carries the accent, when it is fixed? The first — Finnish, Hungarian, Czech from a grammar
Do long words carry a secondary stress? Yes from a grammar
Do tones change when they meet? No from a grammar
What happens to a borrowed word with foreign sounds? Both, depending on the speaker from a grammar
Does the writing show predictable sound changes? No — spelling keeps the underlying form from a grammar
Does syllable weight matter? Both from a grammar
How long is a typical word? One or two syllables — Mandarin, English from a grammar
May a word begin with a vowel? Yes from a grammar

Writing system

Question Answer Source
What does one glyph stand for? A sound — vowels written too (Latin, Greek, Cyrillic, Korean) from a grammar
Which way does the writing run? Left to right from a grammar
Are there spaces between words? Yes from a grammar
Is the end of a sentence marked? Yes from a grammar
What marks the end of a sentence? . from a grammar
Does the script have two cases? Yes — capitals and small letters from a grammar
How are words separated? Only phrases are separated from a grammar
Is vowel length written? No from a grammar
Is tone written? Yes from a grammar
How are numbers written? With digits, positionally from a grammar
Which way do multi-digit numbers run? The same way as the text from a grammar
How much punctuation is there? A full set — stops, commas, quotes, questions from a grammar
Is there a mark for a new section or paragraph? No from a grammar
How closely does spelling follow sound? Very closely — Finnish, Spanish, Korean from a grammar
Are there conventional abbreviations? Yes from a grammar
Where did the script come from? Borrowed from a neighbour and adapted from a grammar
What was it first written on? Paper or parchment — free-flowing from a grammar
Do letters join or merge when adjacent? No from a grammar
Do letters change shape by position in the word? No from a grammar
Does the direction alternate line by line? No — every line runs the same way from a grammar
Has the spelling been reformed? Once from a grammar
Is there a calligraphic tradition? No from a grammar
Is there a shorthand or cursive for fast writing? Yes from a grammar
What is the script called? Latin from a grammar

Transliteration

Question Answer Source
Should the spelling recover the SPELLING, or the SOUND? The spelling — one sound, one spelling, always, so the original can be recovered from a grammar
How should a sound with no Latin letter be written? The nearest letter there is — ʃ as "s". Simple, and loses the distinction from a grammar
Show hyphens between morphemes? No from a grammar
What gets a capital letter? The first word, and proper nouns from a grammar
Mark the stressed syllable? No from a grammar
Write words in IPA instead of in your own symbols? No from a grammar
How are foreign names written? Kept in their own spelling from a grammar
Are romanised proper nouns marked? Yes — with a capital from a grammar
May diacritics be dropped when typing? Yes — the bare letters are acceptable from a grammar
Is there more than one accepted romanisation? Several, by country or era from a grammar
Is tone written with numbers rather than marks? No from a grammar

Semantics

Question Answer Source
How many basic colour words does the language have? The full set -- black, white, red, green, yellow, blue and more from a grammar
What does the counting system group by? Tens WALS 131A, Grambank GB333, Grambank GB334, Grambank GB335
Who raises a child? Its parents, in their own household from a grammar
Do they name relatives at all? Yes — some relations are still recognised and named from a grammar
Which relatives share a word? Sudanese -- a separate word for very nearly every relative from a grammar
Where does the PATH of a movement get said? A chain of verbs -- "take go exit" (many West African and SE Asian languages) from a grammar
Which way does the future lie? Ahead is the future, behind is the past (English) from a grammar
Are some things possessed differently from others? No from a grammar
Does counting a noun require a classifier? Yes WALS 55A, Grambank GB057
Are there ideophones — words that depict rather than describe? A large open class covering sound, movement, texture and feeling from a grammar
How do ideophones fit into a sentence? Like adverbs from a grammar
Do ideophones break the ordinary sound rules? No from a grammar
How is location described? Relative to the speaker — left, right, in front from a grammar
Is the future ahead and the past behind? No — the past is ahead, because it can be seen from a grammar
Is a repeated time said differently from a single one? No — the same construction, and context does the rest from a grammar
How is time divided? Hours and minutes from a grammar
Are nouns and verbs clearly different classes? Yes from a grammar
Are adjectives their own word class? No — property words are verbs. Japanese, Mandarin from a grammar
How is the body divided into named parts? Finely — separate words for hand and arm, foot and leg from a grammar
Is there one verb for eating and drinking, or two? Two from a grammar
How are siblings named? By both from a grammar
Are maternal and paternal grandparents named differently? No from a grammar
Are left and right named after anything? With moral or ritual weight attached from a grammar
How does the language take in foreign words? Freely, adapted to its own sounds from a grammar
How many basic colour terms are there? Eleven or more from a grammar
Is blue distinguished from green? Yes from a grammar
How rich is the vocabulary for smell? Poor — smells are described by their source from a grammar
Is "with a friend" the same word as "with a knife"? Yes — one word covers company and instrument from a grammar
Are red and yellow separate colours? Separate words from a grammar

Pragmatics

Question Answer Source
How does the language mark respect for the person being addressed? Honorific affixes on nouns and verbs from a grammar
Must a speaker say how they know what they are asserting? No -- a plain statement says nothing about the source from a grammar
How does a sentence say "this is what we are talking about"? By putting it first from a grammar
How does a sentence say "this bit is the news"? Stress or intonation from a grammar
May a pronoun be left out when it is obvious who is meant? Subject and object both (Japanese, Mandarin) WALS 101A
Is there a separate way of speaking to particular people? Yes from a grammar
Are there little words whose whole job is managing the conversation? Yes from a grammar
How are people addressed? By kin term, extended to non-kin from a grammar
Are some names or words forbidden in some company? No from a grammar
What does a greeting ask about? How you are from a grammar
How is a request usually made? As a question — "could you" from a grammar
Do listeners signal attention while someone else speaks? Yes, frequently — Japanese aizuchi from a grammar
What does silence mean in conversation? Something has gone wrong from a grammar
Does "yes" agree with the question or with the fact? With the question from a grammar
Do speakers use clicks outside words? Yes — to show feeling, as English tsk-tsk does from a grammar
How many distinct registers are there? Several — Javanese has three or more, with different vocabulary from a grammar
Is there a separate language or register for ritual? No from a grammar
Do speakers use different forms depending on who they are? No from a grammar
Is there a distinct way of speaking to children? Both from a grammar
Is reported speech marked as such? Yes — a quotative particle or verb from a grammar
How is turn-taking managed? One speaker finishes, then the next begins from a grammar
What is the topic marker? thì from a grammar

What it is

Question Answer Source
Who or what uses this? People — a language that could have evolved on Earth from a grammar
What channel does a message travel down? Sound made with a vocal tract — every spoken human language from a grammar
Can the channel carry more than one thing at once? No — one thing at a time, in a line from a grammar
Are signals built from smaller, meaningless pieces? Yes — meaningless units combine into meaningful ones from a grammar
Can it refer to what is not here and now? Yes — the past, the distant, the hypothetical from a grammar
Can new messages be made that have never been made before? Yes — the set of possible messages has no end from a grammar
Is the link between signal and meaning a convention? Yes — arbitrary, agreed rather than resembling from a grammar
Do signals fall into distinct categories? Yes — discrete, one signal or another from a grammar
Is it learned rather than inherited? Yes — learned from others, and it drifts from a grammar
Can they see? Yes — sight is a main sense from a grammar
How long does one of them live? Decades, as people do from a grammar
Is there anyone else to talk to? Many neighbours, and constant contact from a grammar