A negative question rarely asks for information in a completely neutral way. Kamu tidak datang? can check a report, express surprise, or suggest that the speaker expected you to come. Belum makan? treats eating as an anticipated event, while bukankah strongly invites confirmation of a proposition. Indonesian speakers often avoid an ambiguous bare “yes” or “no” by repeating the relevant predicate, negator, or completion word.
Negative word order stays unchanged
Indonesian does not invert subject and verb and does not add an equivalent of English do. A statement becomes a question through intonation, punctuation, or an explicit question marker; tidak and belum remain before the predicate.
| Statement | Negative question | Likely concern |
|---|---|---|
| Kamu tidak datang. | Kamu tidak datang? | Is it true that you are not coming? |
| Dia belum makan. | Dia belum makan? | Has she really not eaten yet? |
| Ini bukan milikmu. | Bukankah ini milikmu? | Isn't this yours? |
Kamu tidak datang ke latihan sore ini?
Aren't you coming to practice this afternoon?
Mereka belum menerima jadwal baru?
Haven't they received the new schedule yet?
Bukankah tas ini milik Anda?
Isn't this bag yours?
The negative is always written separately in tidak datang and belum menerima. Bukankah is a lexicalized combination of bukan and attached -kah, so it is one word.
tidak questions: checking a negative proposition
Subject + tidak + predicate? asks whether a negative situation holds. Context and intonation determine how much expectation or surprise it carries.
Kamu tidak bekerja besok?
Aren't you working tomorrow?
Bus ini tidak berhenti di terminal lama?
Doesn't this bus stop at the old terminal?
Dia tidak suka makanan pedas?
Doesn't she like spicy food?
Pak Rudi tidak di kantor hari ini?
Isn't Mr. Rudi at the office today?
The speaker may simply be verifying new information: someone has said that the bus skips the terminal. In another context, the same structure signals surprise because the speaker expected the positive situation.
Serius, kamu tidak ingat nama gurumu sendiri?
Seriously, you don't remember your own teacher's name?
Ternyata pintu ini tidak terkunci?
So this door isn't locked after all?
The words serius and ternyata make the surprised reading explicit without requiring a different question syntax.
belum questions: an expected event has not happened yet
Belum adds a temporal assumption: the event is unrealized so far, but it remains expected or possible. A very common conversational question omits the subject when it is obvious.
Belum makan sejak pagi?
You haven't eaten since this morning?
Kamu belum mengirim formulirnya?
Haven't you sent the form yet?
Kereta terakhir belum berangkat?
Hasn't the last train left yet?
Laporannya belum selesai?
Isn't the report finished yet?
Anak-anak belum tidur sampai sekarang?
Haven't the children gone to sleep yet, even by now?
The bare question Belum makan? is natural because the addressee and the relevant time are recoverable. It can express concern, surprise, or a prelude to offering food.
Bukankah: explicitly invite confirmation
Clause-initial bukankah presents a proposition as something the speaker believes or treats as already plausible. It corresponds broadly to “isn't it the case that ...?” and is common in careful speech, argument, interviews, and formal or rhetorical writing.
Bukankah ini benar menurut data terakhir?
Isn't this true according to the latest data?
Bukankah kita sudah menyepakati jadwal tersebut?
Didn't we already agree on that schedule?
Bukankah Anda yang mengirim surat ini?
Weren't you the one who sent this letter?
Bukankah tujuan utama program ini adalah membantu warga?
Isn't the main aim of this program to help residents?
Bukankah lebih baik kita menunggu hasil pemeriksaan?
Wouldn't it be better for us to wait for the examination results?
The last example frames a proposal as the apparently sensible choice. Bukankah therefore does more than add a question mark: it places pressure on the positive answer. In a disagreement, that pressure can sound argumentative.
Confirmation versus genuine uncertainty
Compare a neutral positive question with its negative and bukankah versions.
Apakah rapatnya dimulai pukul sembilan?
Does the meeting start at nine? (formal)
Rapatnya tidak dimulai pukul sembilan?
Doesn't the meeting start at nine?
Bukankah rapatnya dimulai pukul sembilan?
Doesn't the meeting start at nine?
The apakah question packages the whole proposition for confirmation without committing to either answer. The tidak question checks a negative possibility and may show surprise. Bukankah more clearly signals that the speaker expects “it does start at nine.”
Invitations and offers through negative questions
A negative question can gently present an expected or available action. It may sound hospitable because the addressee can accept the positive activity, but the same form can also imply that refusal is unexpected. Relationship and situation matter.
Kamu tidak ikut makan bersama kami?
Aren't you joining us for the meal?
Tidak mau duduk dulu sebelum berangkat?
Wouldn't you like to sit down before leaving?
Belum mau pulang? Kopinya masih hangat.
Not ready to go home yet? The coffee is still warm.
Kalian tidak mau tinggal sedikit lebih lama?
Wouldn't you like to stay a little longer?
These are not mechanically polite equivalents of English invitations. Kamu tidak ikut? can sound concerned or mildly disappointed. A neutral Mau ikut? asks about willingness more directly.
Face effects: surprise can become blame
By placing a negative outcome on the conversational table, a speaker may suggest that the positive outcome was expected. With duties or obvious facts, this can threaten the addressee's social face by sounding like criticism.
Kamu tidak membaca petunjuknya sebelum mulai?
You didn't read the instructions before starting?
Anda belum membayar tagihan bulan lalu?
You haven't paid last month's bill yet?
Mereka tidak memberi tahu warga lebih dahulu?
They didn't inform residents beforehand?
For a less accusatory information request, ask about the positive event without presupposing failure.
Apakah Anda sudah membaca petunjuknya?
Have you read the instructions? (formal)
Apakah tagihan bulan lalu sudah dibayar?
Has last month's bill been paid? (formal)
This is a real pragmatic choice, not a ban on negative questions. Use the biased form when surprise, concern, or an expected answer is genuinely part of your meaning.
Reply by repeating the decisive word
English speakers often focus on whether yes agrees with the positive reality or with the wording of the negative question. Indonesian ya and tidak can also be interpreted relative to either the proposed statement or the real-world polarity, so bare answers can be risky. Repeat the predicate, negator, sudah, or belum.
A: Kamu tidak datang besok? B: Tidak, saya tidak datang.
A: Aren't you coming tomorrow? B: No, I'm not coming.
A: Kamu tidak datang besok? B: Saya datang. Sampai besok.
A: Aren't you coming tomorrow? B: I am coming. See you tomorrow.
A: Belum makan? B: Belum, nanti setelah rapat.
A: Haven't you eaten yet? B: Not yet, after the meeting.
A: Belum makan? B: Sudah, sekitar satu jam lalu.
A: Haven't you eaten yet? B: I have, about an hour ago.
A: Bukankah ini benar? B: Benar, angkanya sudah diperiksa.
A: Isn't this true? B: It is; the figures have been checked.
A: Bukankah ini benar? B: Tidak, data terbarunya berbeda.
A: Isn't this true? B: No; the latest data are different.
Predicate echo makes the intended polarity explicit. The yes-no question guide develops concise answers to positive questions.
Formal explicit negative questions
Apakah + subject + tidak/belum + predicate? is useful in forms, interviews, surveys, and careful speech. It makes questionhood explicit but does not erase the semantic difference between tidak and belum.
Apakah Anda tidak menerima pesan konfirmasi?
Did you not receive the confirmation message? (formal)
Apakah perusahaan belum mengirim laporan tahunan?
Has the company not sent its annual report yet? (formal)
Apakah responden tidak mengetahui perubahan aturan tersebut?
Were respondents unaware of that rule change? (formal)
These forms can still be leading if the negative proposition itself is assumed. Formal syntax is not the same as neutral bias.
Common Mistakes
Answering a negative question with bare ya
❌ A: Kamu tidak ikut? B: Ya.
Ambiguous — ya may be heard as confirming nonparticipation or as affirming participation.
✅ A: Kamu tidak ikut? B: Saya ikut.
A: Aren't you coming along? B: I am coming along.
Using belum without a “not yet” assumption
❌ Dia belum suka kopi?
Wrong for a stable question about preference unless a future change is genuinely expected.
✅ Dia tidak suka kopi?
Doesn't she like coffee?
Splitting bukankah
❌ Bukan kah kita sudah bertemu sebelumnya?
Incorrect spelling — the enclitic -kah attaches to bukan.
✅ Bukankah kita sudah bertemu sebelumnya?
Haven't we met before?
Treating every negative question as neutral
❌ Kamu belum menyelesaikan tugas itu?
Potentially blaming in the intended neutral check — belum suggests the task was expected to be finished.
✅ Apakah tugas itu sudah selesai?
Is that task finished? (formal)
Copying English answer polarity without repeating meaning
❌ A: Belum berangkat? B: Tidak.
Unclear — tidak does not state whether departure has happened.
✅ A: Belum berangkat? B: Sudah berangkat.
A: Haven't they left yet? B: They have left.
Key Takeaways
- Tidak questions check a negative situation; belum questions add an expected “not yet” timeline.
- Bukankah explicitly invites confirmation and can sound rhetorical or argumentative.
- Negative invitations can express hospitality, concern, or disappointed expectation depending on context.
- Repeat tidak, belum, sudah, or the predicate in short replies so polarity is unmistakable.
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Start learning Indonesian →Related Topics
- Negation: Choosing the Right FormA1 — Choose tidak, bukan, belum, or jangan by predicate type and time assumptions, then recognize tak, tanpa, and colloquial nggak.
- tidak with Verbs and AdjectivesA1 — Use tidak before verbal and adjectival predicates, control its scope with modals and frequency words, and answer negative questions naturally.
- belum: Not YetA1 — Choose belum across verbal, adjectival, nominal, and existential predicates when an expected later realization remains open.
- bukan with Nouns and Contrastive CorrectionA1 — Use bukan to reject noun identities and correct a focused alternative with melainkan or conversational tapi.
- Yes-No Questions by IntonationA1 — Form everyday yes-no questions by keeping declarative word order and letting intonation, context, and punctuation mark interrogation.
- -kah and Focused QuestionsB1 — Attach -kah to a question word or predicate to focus the questioned constituent, especially in formal, rhetorical, and literary styles.