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No need to: 〜ことはない

Verb (dictionary) + ことはない

Verb (dictionary) + ことはない: “no need to, there's no point in”. Used to reassure or dissuade; not to be confused with たことはない (never done).

In short

〜ことはない says an action isn't necessary: “there's no need to, there's no point in”. It's mostly used to reassure or advise someone: 心配することはない, “there's no need to worry”.

  • そんなに心配することはないよ。そんなにしんぱいすることはないよ。There's no need to worry so much.
  • 電話で聞けるから、わざわざ行くことはありません。でんわできけるから、わざわざいくことはありません。You can ask over the phone, so there's no need to go all the way there.
  • 君が謝ることはない。悪いのは私だ。きみがあやまることはない。わるいのはわたしだ。You've got nothing to apologise for. I'm the one at fault.

The basics

こと turns the verb into “the act of…”, and はない says there's no call for it. 行くことはない: “going — there's no need”. The sentence is almost always used to reassure, calm someone down or gently talk them out of something — English “there's no need to”, “don't bother”.

It's a natural reply when someone is worrying, apologising or going to too much trouble: you're telling them the effort or the emotion isn't needed.

The sentence, piece by piece
そんなにso much, to that extent
心配するworry (dictionary form)
ことはthe act of (topic)
ないthere's no (call for)
よI'm telling you

There's no need to worry so much.

  • other
  • verb
  • grammatical form
  • particle
  • テストは簡単だから、心配することはないよ。てすとはかんたんだから、しんぱいすることはないよ。The test is easy, so there's no need to stress.
  • 近いから、タクシーに乗ることはない。歩こう。ちかいから、たくしーにのることはない。あるこう。It's really close, so there's no need for a taxi. Let's walk.

How to form it

The verb always stays in the dictionary form. Only ない is conjugated, according to register. In speech, は often drops: 〜ことないよ.

The adverbs わざわざ (all the way, specially), 何も (“there's really no reason to”) and そんなに often strengthen the idea.

RegisterFormExample
neutral〜ことはない急ぐことはない
polite〜ことはありません急ぐことはありません
casual speech〜ことない(よ)急ぐことないよ
emphasis何も〜ことはない何も怒ることはない
  • 何も怒ることはないじゃないか。なにもおこることはないじゃないか。There's really nothing to get angry about, come on.
  • 予約してあるので、早く行くことはありません。よやくしてあるので、はやくいくことはありません。It's been booked, so there's no need to get there early.

ことはない or なくてもいい?

〜なくてもいい (N5) simply says you're allowed not to: a neutral permission. 〜ことはない is stronger and more emotionally charged: it judges the action unnecessary, even excessive, and tries to reassure.

A cold instruction (“you don't have to fill in this form”) tends to take なくてもいい. Comfort (“don't get yourself in such a state”) takes ことはない.

SentenceNuance
書かなくてもいいですyou needn't write it (permission)
書くことはありませんthere's no need to write it (it's pointless)
心配することはないdon't worry (comfort)
  • 名前は書かなくてもいいです。なまえはかかなくてもいいです。You don't have to write your name.
  • 一回失敗しただけで、そんなに落ち込むことはない。いっかいしっぱいしただけで、そんなにおちこむことはない。It was just one failure — there's no need to be so down.

Three lookalike forms

Watch the verb form before こと: it changes everything. Dictionary form + ことはない = “no need to”. た-form + ことはない = “I've never…” (experience, N5). ない-form + ことはない = “it's not that I don't…” (a hedged possibility, covered later).

FormMeaningExample
行くことはないno need to goわざわざ行くことはない
行ったことはないI've never been京都に行ったことはない
行かないことはないI do sometimes goたまに行かないことはない
  • 金閣寺には行ったことはないが、写真で見た。きんかくじにはいったことはないが、しゃしんでみた。I've never been to the Kinkaku-ji, but I've seen it in photos.

Common mistakes

  • Mixing up 行くことはない (no need to go) and 行ったことはない (never been): only the verb form tells them apart.
  • Using it as a ban: ことはない doesn't say “you mustn't”, it says “it isn't necessary”.
  • Saying it to a superior as advice: 〜ことはありません is still a judgement on what they're doing; with a superior, go for 〜なくても大丈夫です.

7 exercises on this point

Particles to choose, sentences to put back in order, translations: marked straight away, then reviewed at the right time. This JLPT N3 point is on the Eizan Line (The body and health) of the Kyoto lines.