Formal Vietnamese

In Brief

Formal Vietnamese is not a separate grammar system. It is a register—a style chosen for a particular situation—built from respectful forms of address, conventional openings and closings, precise vocabulary, and carefully structured sentences. Effective formal writing is courteous and explicit, but it should not be made difficult merely by adding long words.

Overview

At C1, knowing whether a sentence is grammatically correct is no longer enough: you also need to know whether it suits a letter to a university, a company announcement, a report, or a meeting with a senior colleague. Vietnamese formal style appears in business correspondence, applications, official notices, speeches, reports, and academic prose. The degree of formality varies: a customer email does not sound exactly like a regulation or a research paper.

English often signals formality through titles, indirect requests, and vocabulary such as “request,” “inform,” or “implement.” Vietnamese uses these tools too, but forms of address carry more information about the relationship between speaker and reader. It also relies heavily on established phrases such as Kính gửi and Trân trọng, and on Sino-Vietnamese vocabulary—words historically formed from Chinese elements and now fully part of Vietnamese, such as thực hiện, quy định, and đề nghị.

The aim is not maximum stiffness. Good formal Vietnamese matches the audience, states the purpose clearly, and remains easy to follow. An administrative decision, an academic argument, and a courteous business email may share vocabulary, but each has its own conventions.

How It Works

Choose address terms from the relationship

Vietnamese personal reference is relational: the word corresponding to English “I” or “you” changes with age, status, role, and setting. In neutral professional writing, tôi is a common singular self-reference. An organisation or team may use chúng tôi. Addressing the reader as quý vị, quý khách, quý công ty, or by a title can show respect without guessing a family-style pronoun.

Function	Common formal choice	Typical use
I	tôi	An individual speaking or writing neutrally
we	chúng tôi	A group or organisation excluding the reader
you, respected audience	quý vị	Several people or an audience; sometimes a respectful unspecified reader
valued customer	quý khách	Customer service and public notices
your company	quý công ty	Business-to-business correspondence
Mr./Ms. + name	ông/bà + tên	Formal reference when the title is appropriate and known
teacher/professor/doctor/director	thầy/cô/giáo sư/bác sĩ/giám đốc	Role-based address where Vietnamese convention supports it

The element quý marks esteem in conventional addressee phrases. Do not treat it as a universal translation of English “you”: quý công ty refers to a company, while quý khách refers to customers. If the recipient has supplied a preferred title, follow it.

Build correspondence around conventional formulas

A formal letter or email normally makes its communicative purpose visible early. The following pattern is flexible rather than mandatory:

1. Recipient: Kính gửi: … (“Respectfully addressed to …”)
2. Brief identification or context: who is writing and why
3. Purpose: Tôi viết thư này để…, Chúng tôi xin thông báo…
4. Details or request: facts, dates, documents, and requested action
5. Thanks or desired response: Kính mong…, Xin vui lòng…
6. Closing: Trân trọng, or Trân trọng cảm ơn.

Kính gửi is a salutation, not an ordinary sentence greeting. Trân trọng works as a respectful closing and can also occur inside phrases such as trân trọng thông báo. In a professional email, Xin chào may be suitable when the relationship is established and the context is less ceremonial; formality is a scale, not an on/off switch.

Make requests respectful but specific

Formal requests often use xin, kính, vui lòng, đề nghị, or kính mong. They are not interchangeable in force or setting.

Pattern	Main effect	Example
xin + verb	Courteous request or formal performative	Xin xác nhận thông tin.
xin vui lòng + verb	Polite instruction/request	Xin vui lòng gửi hồ sơ trước ngày 15 tháng 8.
kính đề nghị + person/body + verb	Respectful, distinctly official request	Kính đề nghị quý công ty phản hồi bằng văn bản.
kính mong + person/body + verb	Respectful expression of hope	Kính mong quý vị thông cảm.
đề nghị + person/body + verb	Formal request; can sound directive	Đề nghị hành khách xuất trình giấy tờ.

A performative verb is a verb that performs the act it names when used in context. In Chúng tôi xin thông báo…, “we hereby inform…” is not merely describing an act; it is carrying it out. Common formal performatives include thông báo (notify), đề nghị (request/propose), xác nhận (confirm), cam kết (commit), and kiến nghị (formally recommend or petition).

Prefer precise formal vocabulary where it adds value

Many formal verbs are Sino-Vietnamese. They can replace a conversational expression, but the replacement may also narrow or alter the meaning.

Everyday or broad wording	Formal alternative	Meaning or caution
làm	thực hiện	carry out or implement a task, plan, or measure
cho biết	thông báo	officially inform or notify
đồng ý	phê duyệt/chấp thuận	approve/accept; use only when actual approval is meant
dùng	sử dụng	use; common in instructions and reports
giúp	hỗ trợ	support or assist
theo	căn cứ theo/căn cứ vào	based on, with a stated legal or factual basis
bắt đầu	tiến hành	commence or conduct an organised activity
kết quả	kết quả	already neutral and suitable; no ornate replacement is needed

Collocation matters—the habitual combination of words. Vietnamese commonly has thực hiện kế hoạch (implement a plan), thực hiện nghĩa vụ (fulfil an obligation), ban hành quy định (issue regulations), đáp ứng yêu cầu (meet requirements), and đưa ra kết luận (reach/state a conclusion). Learning the whole combination is safer than replacing every instance of làm with thực hiện.

Organise information explicitly

Formal prose often uses connectors to show how clauses and paragraphs relate:

• basis: căn cứ theo, căn cứ vào, dựa trên
• purpose: nhằm, để
• addition: bên cạnh đó, đồng thời, hơn nữa
• contrast: tuy nhiên, mặc dù … nhưng …
• result: do đó, vì vậy
• scope or reference: về việc, liên quan đến, đối với
• sequence: trước hết, tiếp theo, cuối cùng

Formal documents frequently turn an action into a noun-like phrase, a process called nominalisation. For example, triển khai dự án (“implement the project”) can become việc triển khai dự án (“the implementation of the project”). Việc commonly introduces an action or matter; sự often introduces a state, change, or abstract phenomenon: việc xử lý hồ sơ, sự thay đổi của thị trường. These forms help package complex ideas, but too many in one sentence make the prose heavy.

Vietnamese does not require English-style tense agreement. Time is established through context and markers such as đã, đang, sẽ, dates, and time phrases. In reports, omit a marker when the timeline is already unambiguous, but include one when it prevents confusion.

Examples in Context

Vietnamese	English	Note
Kính gửi: Phòng Đào tạo Trường Đại học Minh An.	Dear Academic Affairs Office of Minh An University,	Formal recipient line
Tôi viết thư này để đề nghị xác nhận kết quả học tập.	I am writing to request confirmation of my academic results.	States the purpose directly
Xin vui lòng gửi hồ sơ trước ngày 15 tháng 8.	Please submit the application documents before 15 August.	Courteous instruction
Chúng tôi trân trọng thông báo chương trình sẽ bắt đầu vào tháng Chín.	We are pleased to formally announce that the programme will begin in September.	Formal announcement
Kính mong quý khách thông cảm về sự bất tiện này.	We respectfully ask for your understanding regarding this inconvenience.	Customer communication
Căn cứ theo quy định hiện hành, người nộp đơn phải cung cấp bản sao hộ chiếu.	Under the current regulations, applicants must provide a copy of their passport.	States an official basis
Công ty sẽ thực hiện các biện pháp cần thiết để bảo vệ dữ liệu.	The company will implement the necessary measures to protect the data.	Formal verb–noun collocation
Báo cáo này nhằm đánh giá hiệu quả của chính sách.	This report aims to evaluate the effectiveness of the policy.	Academic/report purpose
Kết quả khảo sát cho thấy mức độ hài lòng đã tăng đáng kể.	The survey results show that satisfaction has increased significantly.	Evidence-based statement
Tuy nhiên, số liệu hiện có chưa đủ để đưa ra kết luận.	However, the available data are not sufficient to draw a conclusion.	Cautious formal claim
Đề nghị hành khách xuất trình giấy tờ tùy thân khi làm thủ tục.	Passengers are requested to present identification when completing the procedure.	Public directive; impersonal tone
Quý công ty vui lòng xác nhận thời gian giao hàng bằng văn bản.	Please confirm the delivery date in writing.	Business addressee
Chúng tôi cam kết xử lý thông tin theo đúng quy định.	We undertake to process the information in accordance with the regulations.	Formal commitment
Trân trọng cảm ơn sự hợp tác của quý vị.	We sincerely thank you for your cooperation.	Respectful final sentence
Trân trọng,	Sincerely,	Letter or email closing

Common Mistakes

Using an intimate pronoun in an institutional message

• Wrong: Mày gửi hồ sơ cho tôi nhé. (to an applicant)
• Right: Xin vui lòng gửi hồ sơ cho chúng tôi.
• Why: mày is highly familiar and can be insulting outside a close relationship. The revised sentence uses an institutional self-reference and a courteous request.

Translating English “you” with one fixed word

• Wrong: Bạn vui lòng xác nhận hợp đồng. (in a highly formal letter to another company)
• Right: Quý công ty vui lòng xác nhận hợp đồng.
• Why: bạn is common and friendly, but it may be too personal for formal inter-company correspondence. Name the recipient by role when that relationship is central.

Replacing every simple verb with a formal one

• Wrong: Tôi thực hiện đọc thư của quý công ty.
• Right: Tôi đã đọc thư của quý công ty.
• Why: thực hiện combines naturally with plans, duties, procedures, and measures; it is not a decorative substitute for every verb.

Mixing a formal opening with a chatty ending

• Wrong: Kính gửi Ban Giám đốc … Bye nhé!
• Right: Kính gửi Ban Giám đốc … Trân trọng,
• Why: Keep the register consistent. nhé creates conversational warmth, while the English closing clashes with an official Vietnamese letter.

Using căn cứ without a real basis

• Wrong: Căn cứ theo tôi thích phương án này, chúng ta nên chọn nó.
• Right: Theo ý kiến của tôi, chúng ta nên chọn phương án này.
• Why: căn cứ theo/căn cứ vào introduces an authority, rule, document, fact, or evidential basis—not a casual personal preference.

Packing too many abstract nouns into one sentence

• Wrong: Việc thực hiện việc đánh giá việc triển khai dự án sẽ được tiến hành.
• Right: Chúng tôi sẽ đánh giá quá trình triển khai dự án.
• Why: Repeated việc phrases hide who acts and what happens. A clear subject and active verb are usually easier to read.

Usage Notes

Capitalisation in Vietnamese is more restrained than in English. Ordinary common nouns and job titles are not automatically capitalised everywhere. Capitalisation may follow an institution’s official name, a document template, or a convention for respectful correspondence, so preserve verified official names rather than importing English title case.

Formality also depends on medium. An official notice may omit a personal subject and use đề nghị as a directive. A business email can use chúng tôi and quý công ty while remaining direct. Academic writing generally values explicit evidence and cautious scope; ceremonial speeches permit more elevated and repetitive courtesy formulas.

Được and bị can present an event from the affected participant’s viewpoint. In formal prose, được often suggests a favourable or authorised outcome (hồ sơ đã được phê duyệt, “the application has been approved”), while bị often marks an adverse one (đơn bị từ chối, “the application was rejected”). They are not mechanical equivalents of English “be + past participle.” Vietnamese often prefers an active sentence when the actor matters: Hội đồng đã phê duyệt hồ sơ (“The committee approved the application”).

Avoid assuming that more Sino-Vietnamese vocabulary always means better writing. Some official texts are dense because of their legal function, not because density itself is prestigious. For general professional communication, concrete verbs, short paragraphs, and visible deadlines are often more respectful to the reader than ornate language.

Beyond the Basics: Genre and Rhetorical Control

Advanced formal writing requires control of genre, meaning the conventional shape of a type of text. A request letter foregrounds the requested action; a report separates evidence from interpretation; a decision cites its authority; an academic paragraph states a claim and supports it. Copying a formula from one genre into another can sound unnatural even if every word is formal.

Manage certainty

Responsible reports distinguish observation, inference, and recommendation:

Function	Useful Vietnamese framing	Force
Report evidence	Kết quả cho thấy…	The evidence indicates a result
Limit a claim	Trong phạm vi nghiên cứu này…	Restricts the scope
Make a cautious inference	Có thể nhận thấy rằng…	Tentative observation
State necessity	Cần thực hiện…	General necessity; actor may be unstated
Recommend action	Chúng tôi kiến nghị…	Explicit formal recommendation

English learners may overuse the literal subject tôi because English clauses normally require an expressed subject. Vietnamese can organise a sentence around the topic or leave the actor unstated when it is generic or institutionally obvious. That does not mean subjects should always disappear. In instructions involving responsibility, naming the actor can prevent ambiguity: Phòng Nhân sự sẽ thông báo kết quả is clearer than a vague Kết quả sẽ được thông báo if readers need to know who will respond.

Use parallel structure

Lists and coordinated clauses are easiest to process when their elements have the same grammatical shape. For example: Mục tiêu của kế hoạch là nâng cao chất lượng dịch vụ, rút ngắn thời gian xử lý và bảo đảm an toàn dữ liệu. Each item begins with a verb phrase. Mixing a noun, a full clause, and an unrelated label weakens a formal document.

Separate courtesy from vagueness

Indirect wording can soften a request, but a professional message still needs an action, owner, and deadline. Compare Kính mong quý công ty xem xét (“We respectfully hope your company will consider it”) with Kính đề nghị quý công ty xác nhận phương án trước ngày 20 tháng 8 (“We respectfully request confirmation of the option before 20 August”). The second is more useful when a decision is actually required.

Practice Tips

1. Build a phrase bank by function, not by isolated word. Keep groups for salutations, requests, evidence, contrast, deadlines, and closings. Record whole combinations such as đáp ứng yêu cầu and căn cứ vào quy định.
2. Rewrite one message for three audiences. Send the same information to a friend, a regular customer, and a government office. Change address terms, request formulas, and closing, while keeping the facts constant.
3. Edit for responsibility and clarity. In a formal paragraph, underline every actor, action, and deadline. Remove unnecessary việc/sự phrases and check that each elevated verb has a natural noun partner.

Related Concepts

• Prerequisite: Personal Pronouns — formal reference depends on choosing relationship-appropriate pronouns and titles.
• Closely related: Administrative Language — develops the fixed structures of official documents and procedures.
• Closely related: News and Media Language — contrasts institutional and journalistic ways of presenting information.
• Next step: Academic Vietnamese — extends formal register into evidence, argument, cautious claims, and research writing.