Grammar Info

N5 Lesson 8: 9/13

になる・くなるTo become (Adjective)

Structure

[な]Adjective + + なる
[い]Adjective[く]+ なる
Noun + + なる

Exceptions:
いいよくなる

Details

  • Part of Speech

    Expression

  • Word Type

    Verb

  • Register

    Standard

About ~になる・~くなる

になる (with な-Adjectives), or くなる (with い-Adjectives) is an expression used in Japanese to show that something is 'becoming (A)'. It can be used with any form of なる, to highlight that something will become (non-past), is becoming (continuous), or has become (past). It can even be used with negative forms, to show that something 'will not become (A)'.

In the example with the tea getting cold, we can see how ている sometimes highlights something that exists in an ongoing state, rather than changing any further. In other words, 'the tea has gotten cold, and remains to be cold'.

Additionally, the adjective いい 'good' is an exception to the regular conjugation rules for い-Adjectives, and will conjugate as よくなる, not いくなる.

Examples

--:--

    (むずか)しくなる

    To become difficult.

    (うれ)しくなる

    To become happy.

    (はや)くなる

    To become fast.

    よくなる

    To become better.

    綺麗(きれい)になる

    To become pretty/clean.

  • Get more example sentences!

    Premium users get access to 12 example sentences on all Grammar Points.

Self-Study Sentences

Study your own way!

Add sentences and study them alongside Bunpro sentences.

  • Online


    • Offline

        • Genki I

          Page 196

        • Genki I 2nd Edition

          Page 234

        • Marugoto Elementary 2 (A2) Rikai

          Page 149

        • Tae Kim's Japanese Grammar Guide

          Page 129 & 130

        • みんなの日本語 I

          Page 122 [CH 19]

      • Track Resources!

        Bunpro tracks all of the resources you’ve visited, and offers relevant bookmarks of physical books to help with offline tracking.

      ~になる・~くなる – Grammar Discussion

      Most Recent Replies (46 in total)

      • Jake

        Jake

        to become

        Structure

        • なAdjective + なる
        • いAdjective + なる

        View on Bunpro

      • Marcus

        Marcus

        I think this is my first ever post on the BP forums (after thousands over at WK!), so hello to everyone (anyone?) reading!

        I start with a question! (One of many I fear as my Japanese, despite all my best efforts, is awful)!

        Regarding “didn’t become quiet”… I get this one wrong again and again! I only got it right this time as it was the last in my queue and I repeated it a dozen times first.

        I know it is “quiet”, しずか, plus になる (に because しずか is a na-adjective), and then the なる has to go into past tense negative - ならなかった.

        It should be simple, but I keep putting しずかになかった! And tips on getting this straight? Where does that extra な and か come from?!

      • mrnoone

        mrnoone

        Welcome on community forums

        Glad to see a new face

        Not a problem, ask as many questions as you want, this is the purpose of this forum!

      • Marcus

        Marcus

        It certainly does help! A wonderfully clear explanation! Thank you so much! Much appreciated!

      • mrnoone

        mrnoone

        No problemo

      • Aythreuk

        Aythreuk

        I’m afraid I don’t understand this one.
        Why doesn’t it become いくなる?

        I feel bad “reviving this old topic,” but this seems like the most relevant place to post my question.

      • s1212z

        s1212z

        いい has special adjective rules that just need to be memorized but conjugates like an i-adjective

        Unless grammar is going out of style, its all relevant I really like how all the questions are organized under grammar points and can easily be read for future users (as long as users search their question before creating new topics that already exist). WK has struggled with this, new topics keep getting posted on the same questions from new users.

      • Aythreuk

        Aythreuk

        Thank you, you have cleared that up for me.
        Before posting I did try to do my due diligence. I searched “ii” on jisho.org and “yoi” was the first thing to pop up, but for whatever reason I still couldn’t figure it out.

      • mrnoone

        mrnoone

        @Aythreuk @s1212z

        I have added information about the exception to the grammar point itself!

        Thank you for your feedback

      • kanelbullar

        kanelbullar

        I don’t understand the following as an answer for “It didn’t become quiet.”

        しずかにならなかった

        Why is it なら instead of なる? There’s nothing explaining this change on either grammar page. I’m so confused.

      • Pushindawood

        Pushindawood

        @kanelbullar Hey! The structure of this grammar point is な-Adjective + になる い-Adjective + くなる where なる is a verb meaning “to become.” Therefore, しずかになる means “to become quiet.” なる is a godan verb, so the negative (ならない) + past (かった) would be ならなかった. Since this sentence is not “It will become quiet,” but “It didn’t become quiet,” the negative past conjugation of なる is used. Hope this helps! Cheers.

      • Redglare

        Redglare

        Hello. I keep coming back to this grammar point and wonder why it doesn’t say anything about nouns. Are there any another grammar point that covers noun + になる? If not, wouldn’t it be better to add nouns (and example sentences) to this grammar point?

        Example: 会社員になる

        I had to look it up in Genki I to make sure I wasn’t going crazy xD

      • mrnoone

        mrnoone

        Hey

        We are most likely going to add Noun + になる as separate gramamr point. It is on the to do list.

        Cheers!

      • Evueimeimei

        Evueimeimei

        I suppose this is more of an English problem than a Japanese problem, and I suppose it sounds odd coming from a native English speaker, but I’m having a lot of trouble with this grammar point simply because I’m having issues telling when it should be present versus past tense.

        Could anyone go through the tenses of to become with me in both English and Japanese?

      • Pushindawood

        Pushindawood

        @Evueimeimei Hey! I have updated the review questions for this grammar point to include hints about tense. Hopefully this will make the answer more clear. Below is a list of tenses of “to become” in both English and Japanese. Cheers!

        Tense Affirmative Negative Affirmative Negative
        Non-past To become/will become To not become/will not become なる ならない
        Non-past, polite “” “” なります なりません
        Past Became Did not become なった ならなかった
        Past, polite “” “” なりました なりませんでした
      • Evueimeimei

        Evueimeimei

        Thank you! That helps a lot.

      • artmales

        artmales

        冬に5時から暗くなります.

        In the winter, it becomes dark after five p.m.

        What is “夜” (night) doing in this sentence? Why do not just say it this way:

        冬に5時から暗くなります.

      • matt_in_mito

        matt_in_mito

        In this instance, 夜 means p.m.
        You can also say 午後 if you want but I don’t generally hear that in day-to-day life.
        5時 would generally mean 5a.m. So many people also say 17時

      • artmales

        artmales

        Thank you very much, I only seen the 午後 version before

      • koko191

        koko191

        I thought of this while keeping conjugating 静かにならなかった incorrectly:
        静かにならなかった means “did not become quiet”
        then what would “became not quiet” is?

      Got questions about ~になる・~くなる? Join us to discuss, ask, and learn together!

      Join the Discussion