Interrogative nào means “which” or “which one” when the speaker asks the listener to select from a relevant set. It normally follows the noun it identifies—món nào “which dish,” người nào “which person”—and the whole phrase stays in its ordinary clause position. Thus Bạn chọn món chay becomes Bạn chọn món nào?, not an English-ordered equivalent of “Which dish do you choose?”
This page focuses on selection with nào. Location questions with ở đâu and đi đâu are covered on Ở Đâu and Đi Đâu.
The core pattern: noun + nào
Vietnamese places nào after the noun or classifier-noun expression whose identity is unknown. The complete phrase can be a subject, object, or complement.
Bạn thích cuốn sách nào nhất trong loạt này?
Which book in this series do you like best?
Chuyến tàu nào dừng ở Huế?
Which train stops in Huế?
Mình nên gửi hồ sơ đến địa chỉ nào?
Which address should we send the application to?
In chuyến tàu nào, chuyến is the classifier, tàu the noun, and nào the selector. Do not move nào before the noun in imitation of English. The question phrase remains in the same position as its possible answer: gửi đến địa chỉ này → gửi đến địa chỉ nào?
Nào versus gì
The distinction is conceptual, not a rigid claim that the choices must be physically visible. Gì asks openly for kind or content; nào selects an identifiable member of a contextually available set.
| Question | What it assumes | Natural answer |
|---|---|---|
| Anh muốn uống gì? | no fixed menu need be active | Tôi muốn uống trà. |
| Trong hai loại trà này, anh chọn loại nào? | two relevant options | Tôi chọn trà sen. |
| Chị làm nghề gì? | asks the profession openly | Tôi là kiến trúc sư. |
| Chị làm ở công ty nào? | asks which company in the relevant domain | Tôi làm ở công ty An Phú. |
Tối nay cả nhà muốn xem phim gì?
What kind of movie does the family want to watch tonight?
Trong danh sách này, cả nhà muốn xem phim nào?
Which movie on this list does the family want to watch?
The boundary can shift with context. Bạn học trường nào? is natural even when no literal list of schools has been mentioned, because schools form an understood class of named institutions. Honest usage matters more than forcing every case into “visible choices only.”
Wh-in-situ and the question-system contrast
The central Vietnamese pattern is declarative order plus a question word or question frame. This minimal set makes the contrast visible:
| Form | Question type | Speaker expectation |
|---|---|---|
| Bạn khỏe không? | polar | fairly neutral between positive and negative |
| Anh có đi không? | full polar frame | asks whether going occurs |
| Ai đến? | person content question | identity is open |
| Đi đâu? | place content question | destination is open |
| Phải không? | confirmation | speaker leans toward “correct” |
| Được chứ? | permission/alignment | speaker seeks or expects acceptance |
| Chọn phương án nào? | selection question | one relevant alternative is requested |
Do not append không to a neutral nào question. Once the option is proposed, switch question types.
Anh chọn gói cơ bản, phải không?
You're choosing the basic package, right?
Mình chọn bàn gần cửa sổ được chứ?
Can we choose the table by the window? / The window table is okay, right?
The first asks whether the speaker's belief is right; the second seeks acceptance of a proposal. Anh chọn gói nào? instead asks the listener to supply the option. Particle choice carries stance and interpersonal expectations, not just punctuation.
Alternatives with hay
If you name the alternatives, hay “or” can ask directly between them. Nào is useful when the set is larger, already displayed, or not worth enumerating.
Chị đi chuyến sáu giờ hay chuyến tám giờ?
Are you taking the six o'clock train or the eight o'clock train?
Chị định đi chuyến nào sáng mai?
Which train are you planning to take tomorrow morning?
The hay question limits the expected answer to two named times. Chuyến nào lets the listener identify any contextually relevant train. A listener may still reject the presupposed set—Tôi không đi chuyến nào cả “I'm not taking any of them”—but that is a correction to the question's assumption.
Presupposition and non-interrogative nào
A selection question commonly presupposes that at least one relevant option will be chosen. Anh muốn thuê căn nào? suggests that renting one of the relevant apartments is under consideration. If the decision to rent is not established, ask polarity first: Anh có muốn thuê căn nào không? “Do you want to rent any of the apartments?” Here nào has an “any” reading inside a polar environment.
Đội nào sẽ trình bày trước?
Which team will present first?
Có đội nào muốn trình bày trước không?
Does any team want to present first?
Not every nào asks “which.” In ngày nào cũng, nào combines with cũng to mean “every”: Ngày nào chị ấy cũng đi bộ “She walks every day.” Clause-initial Nào, bắt đầu thôi! means roughly “All right, let's begin!” (informal). These constructions have their own syntax; the presence of nào alone does not guarantee a question.
Ngày nào ông cũng ra công viên tập thể dục.
He goes to the park to exercise every day.
Social calibration
Selection questions can sound demanding when one option is sensitive. Soften through an appropriate pronoun system, fuller framing, and—not automatically—polite particles.
Thưa cô, em nên đăng ký học phần nào trước ạ?
Excuse me, which course should I register for first, ma'am? (formal/deferential)
Theo anh, phương án nào khả thi hơn?
In your view, which option is more feasible? (neutral professional)
Final ạ marks respect toward cô; theo anh invites an opinion rather than issuing a demand. In casual speech, hả may mark surprise or a request for repetition—Em chọn cái nào hả?—but it can sound sharp upward in a hierarchy. Nhỉ invites shared consideration, as in Mình chọn quán nào nhỉ? “Which restaurant shall we choose, I wonder?” Chứ more often seeks expected agreement after a proposal than asks an open selection.
Responses and negative questions
Echo the selected noun phrase so that the answer is self-contained.
— Trong hai phòng này, anh thích phòng nào hơn? — Tôi thích phòng có ban công hơn.
— Of these two rooms, which do you prefer? — I prefer the one with a balcony.
A negative question needs an explicit response. Có rejects the negative wording; không confirms the absence of a choice. Add the actual selection whenever possible.
— Em không thích mẫu nào à? — Có, em thích mẫu màu xanh ở góc kia.
— Don't you like any of the designs? — I do; I like the blue one in the other corner.
— Chưa có nhóm nào nộp bài hả? — Chưa, nhưng nhóm em sắp nộp rồi.
— Has no group submitted yet? — Not yet, but our group is about to. (informal)
A natural dialogue
— Cuối tuần này mình đi quán nào nhỉ? — Quán mới bên hồ thì sao?
— Which restaurant shall we go to this weekend, I wonder? — How about the new one by the lake?
— Quán đó có hai chi nhánh. Em nói chi nhánh nào? — Chi nhánh ở phố Trúc Bạch.
— That restaurant has two branches. Which branch do you mean? — The branch on Trúc Bạch Street.
— Đặt bàn ngoài trời được chứ? — Được, nếu tối nay không mưa.
— Booking an outdoor table is okay, right? — Yes, if it doesn't rain tonight.
The first nào selects a restaurant from the shared local possibilities; the second repairs a reference by selecting a branch. Once a concrete table is proposed, được chứ? replaces the open selection with an acceptability check.
Common Mistakes
1. Putting nào before its noun.
❌ Bạn muốn mua nào chiếc áo?
Incorrect — English ‘which’ order has been imposed on the Vietnamese noun phrase.
✅ Bạn muốn mua chiếc áo nào trong cửa hàng này?
Which shirt in this shop do you want to buy?
2. Fronting the whole object phrase by default.
❌ Cuốn sách nào bạn đang đọc?
Marked as a contrastive topic, not the neutral in-situ question intended here.
✅ Bạn đang đọc cuốn sách nào của Nguyễn Nhật Ánh?
Which book by Nguyễn Nhật Ánh are you reading?
Vietnamese can front constituents for contrastive discourse, but learners should not treat English wh-fronting as the neutral default.
3. Adding English-style do-support.
❌ Bạn làm chọn tuyến xe buýt nào?
Incorrect — làm cannot function as auxiliary ‘do.’
✅ Bạn chọn tuyến xe buýt nào để đến bảo tàng?
Which bus route do you choose to get to the museum?
4. Using gì for a clearly bounded selection.
❌ Trong bốn ngày này, anh rảnh ngày gì?
Awkward — the four days form an explicit set, so nào is the natural selector.
✅ Trong bốn ngày này, anh rảnh ngày nào?
Which of these four days are you free?
5. Giving a bare yes to a negative selection question.
⚠ — Chị không chọn phương án nào à? — Có.
Possible, but the selected option remains unclear and English polarity habits invite confusion.
✅ — Chị không chọn phương án nào à? — Có, chị chọn phương án thứ hai.
— Aren't you choosing any option? — I am; I'm choosing the second one.
Key Takeaways
- Put interrogative nào after its noun: món nào, đội nào, phương án nào.
- Keep that noun phrase in its ordinary answer slot instead of fronting it by default.
- Gì asks open content or kind; nào selects from a contextually relevant set.
- Hay names alternatives; phải không? confirms a proposed choice; được chứ? seeks acceptance.
- Selection questions carry presuppositions, so use a polar frame when you first need to establish that any option applies.
Now practice Vietnamese
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