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See the whole course›Intermediate 1›Time Use and Future Planning

Japanese grammar · ≈ JLPT N3 · Intermediate 1

〜ことで~ koto de

by doing; through

Use a verb in dictionary form plus 「ことで」 when an action brings about a result or explains its cause.

Start the interactive lessonIllustrated cards, audio and speaking practice

How it works

  1. What changes in the morning if you go to bed early? Follow the arrow: the action leads to the result below.

    What changes in the morning if you go to bed early? Follow the arrow: the action leads to the result below.

  2. Use 「ことで」 to explain how a result is achieved. It means “by doing…” or “through…”.

    Use 「ことで」 to explain how a result is achieved. It means “by doing…” or “through…”.

  3. 「ことで」 can also explain a cause: what comes before it brings about the change or result that follows.

    「ことで」 can also explain a cause: what comes before it brings about the change or result that follows.

  4. Verb dictionary form + ことで: for example, 「寝ることで」 and 「運動することで」.

    Verb dictionary form + ことで: for example, 「寝ることで」 and 「運動することで」.

  5. This is more than “first do this, then do that”. 「ことで」 emphasizes that the first action brings about the result.

    This is more than “first do this, then do that”. 「ことで」 emphasizes that the first action brings about the result.

  6. In this lesson, we practice using verbs. Nouns and similar words must first form a predicate; they cannot take 「ことで」 directly.

    In this lesson, we practice using verbs. Nouns and similar words must first form a predicate; they cannot take 「ことで」 directly.

  7. Although the results in the examples have already happened, 「減らす」 and 「運動する」 stay in dictionary form to describe the methods used.

    Although the results in the examples have already happened, 「減らす」 and 「運動する」 stay in dictionary form to describe the methods used.

Example sentences

  • 夜よるyoruのnoスマホすまほsumaho時間じかんjikanをo減らすへらすherasuことkotoで、de、よくyoku眠れるねむれるnemureruようになりました。youninarimashita。

In a conversation

Check yourself

  1. Level 1 · Recognise

    Which sentence is correct?

  2. Level 1 · Recognise

    Listen and choose the meaning

  3. Level 2 · Build

    Put the words in order

    By going to bed early and getting up early, it becomes much easier to concentrate on work in the morning.

  4. Level 3 · Use

    What goes in the blank?

    毎日ニュースを見る____、社会の動きが分かるようになりました。

    By watching the news every day, I can understand what's happening in society.

More grammar in this theme

  • 〜ことでby doing; through

Keep practising

Test your Japanese vocabulary12 adaptive questions, freeCheck your pronunciationRead aloud and get a scorePractise verb forms10-question conjugation quizSee the whole courseGrammar, vocabulary and quizzes by theme

By cutting down on smartphone time at night, I've been able to sleep well.

  • A
    最近、さいきん、夜ふかしよふかしをやめて早くはやく寝るねるようにしているんです。

    A: Recently, I've stopped staying up late and am trying to go to bed early.

  • B
    いいですね。早くはやく寝るねることで、朝あさの気分きぶんはわどう変わりましたかわりましたか。

    B: That's great. By going to bed early, how has your mood in the morning changed?

  • 毎日まいにちmainichi少しすこしsukoshi運動うんどうundouするsuruことkotoで、de、体調たいちょうtaichouがgaよくyokuなりました。narimashita。

    By exercising a little every day, my physical condition has improved.

  • A
    朝あさすっきり起きられるようになっおきられるようになって、朝食ちょうしょくを食べるたべる余裕よゆうもできました。

    A: I can wake up feeling refreshed in the morning now, and I also have enough time to eat breakfast.

  • 〜はずがないcannot possibly; no way
    〜なんてsurprise; can you believe
    〜ば〜ほどthe more…, the more…
    こんな・そんな・あんな・どんなthis, that, what kind
    こんなふうにin this way
    〜なぁsoftly voiced wish
    〜ことがありますsometimes happens
    〜こともありますsometimes also happens
    〜にとってfrom someone’s perspective
    〜ことだしsince, given that
    〜てくれない?casual request for help
    〜てくれる?could you do it for me
    〜じゃない?・〜んじゃない?right?; gentle suggestion
    Previousこんなふうに
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