Common Japanese Mistake: Answering Yes/No to Negative Questions

TOC

The Opposite-of-English Problem

When someone asks a negative question in Japanese, はい (yes) and いいえ (no) respond to whether the statement is correct — not whether you agree with the positive premise. This is the opposite of how English “yes/no” works with negative questions, and it causes real miscommunication.

The Classic Example

Question: 「コーヒーはのみませんか?」— Don’t you drink coffee?

You want to sayJapanese answerEnglish speaker’s instinct (WRONG)
Right, I don’t drink itはい、のみません。Would say “no” in English, but Japanese says はい
No, actually I do drink itいいえ、のみます。Would say “yes” in English, but Japanese says いいえ

In Japanese: はい = the statement (as asked) is correct. So if you don’t drink coffee, はい (yes, that’s correct, I don’t).

More Examples

Negative questionIf you DON’TIf you DO
日本語がわかりませんか?(Can’t you understand Japanese?)はい、わかりません。(Right, I can’t.)いいえ、わかります。(Actually, I can.)
きのうこなかったんですか?(You didn’t come yesterday?)はい、いきませんでした。(Right, I didn’t.)いいえ、いきました。(Actually, I did.)

The Safest Strategy: Skip はい/いいえ and State Directly

Many native Japanese speakers avoid the はい/いいえ confusion by just stating the fact directly:

  • 「コーヒーはのみませんか?」→ 「のみません。」(I don’t drink it.) — skips はい/いいえ entirely
  • 「コーヒーはのみませんか?」→ 「のみます!」(I do drink it!) — states the fact directly

This is also how native speakers avoid the ambiguity — just stating the fact is clearer than は+い/いいえ.

Quick Drill: How Do You Answer?

「えいがはみませんか?」(You don’t watch movies?)

  1. You don’t watch movies → answer in Japanese
  2. You do watch movies → answer in Japanese

Answers: 1. はい、みません。/ 2. いいえ、みます。

Yuka Gets Confused by Negative Questions

Mistakes feel embarrassing in the moment but they are the fastest way to learn. Watch how Yuka makes a natural error — and how Rei explains the rule clearly enough to prevent it from happening again.

Yuka

Rei, someone asked me にほんごをはなせませんか and I said はい and they looked confused. I meant ‘yes I can’t’!

Rei

Classic trap! In Japanese, はい to a negative question means ‘yes, your negative is correct — I indeed cannot.’ So はい、はなせません = ‘That’s right, I can’t speak it.’ If you CAN speak it: いいえ、はなせます — ‘No (your assumption is wrong), I can speak it.’

Yuka

So it’s the opposite of English. You’re confirming or denying the negative statement, not saying yes/no to the ability?

Rei

Exactly. English answers the ability. Japanese answers the truth of the question. たべませんか? — Won’t you eat? はい、たべません = Yes, I won’t eat. いいえ、たべます = No (to the negative), I will eat. When in doubt, repeat the verb: たべます or たべません — remove the ambiguity entirely.

Yuka

Is there a safe way to answer these without getting confused?

Rei

Skip はい/いいえ and go straight to the verb. Asked にほんごがはなせませんか?, answer はなせます! (I can!) or あまりはなせません (I can’t speak much). The verb form is the truth — はい/いいえ just creates confusion with negative questions.

5 Correct Sentences — Read These Aloud

Each sentence demonstrates the correct usage from this article. Say them aloud to lock in the right pattern.

  1. Q: にほんごがわかりませんか? A: はい、わかりません。
    Q: Don’t you understand Japanese? A: That’s right, I don’t. (はい confirms the negative)
  2. Q: きょうこないんですか? A: いいえ、いきます!
    Q: You’re not coming today? A: No (I am) — I’m coming! (いいえ denies the negative)
  3. わかります。(○)
    I understand. (safest — skip はい/いいえ and state the fact)
  4. Q: たべませんか? A: いただきます!
    Q: Won’t you eat? A: I’d be delighted to! (natural side-step of the は/い confusion)
  5. はい、そのとおりです。わかりません。
    Yes, that is correct. I don’t understand.

Your Turn! Correct the Mistake in the Comments

Here is a sentence with the error from this article. Can you fix it? Write the corrected version — and your own correct sentence — in the comments below.

Other learners will read your explanation, and teaching is one of the deepest forms of learning. Log in to keep your comment history and appear in the Top Commenters sidebar ranking!

Keep Learning: Common Mistakes Hub | Grammar Guide | All Grammar Articles | Start Learning Japanese


📖 Want to take your Japanese further? Practice speaking with a professional Japanese tutor on italki — affordable 1-on-1 online lessons at your own pace.

Let's share this post !

Comments

To comment

TOC