Verb ない + ことにする
Verb nai koto ni suru
JLPT N4 Neutral
Formation
Verb-ない form + ことにする
To decide not to do something.
When to use
'Decide not to' (食べないことにした): your own decision.
Explanation
The grammar point Verb ない + ことにする is used to express the decision not to do something. This structure shows that the speaker has made a conscious choice to not take the action expressed in the verb.
Example sentences
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I've decided not to go to tomorrow's party.
Ashita no paatii ni ikanai koto ni suru.
そのケーキを食べないことにします。
I've decided not to eat that cake.
Sono keeki wo tabenai koto ni shimasu.
今日はジョギングをしないことにする。
I've decided not to go jogging today.
Kyou wa jogingu wo shinai koto ni suru.
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I've decided not to meet him.
Kare to awanai koto ni shimashita.
Decisions (Decide To / It Was Decided)
- Verb ることにする〜ru koto ni suruN4Decide to do something, make a decision.
- Verb る ことになる〜ru koto ni naruN4Indicates that something has been decided or arranged; 'it…
- Verb ない ことになるVerb nai koto ni naruN4Expresses a result; 'end up not', 'it will become that'…
- ~ことにしている〜koto ni shite iruN3Express a personal rule or habit; 'I make it a rule to'…
- ~ことになっている〜koto ni natte iruN3Describes something that is decided, arranged, or expected.
Corpus examples (10)
あなたは橋は安全だというが、それでも私は気をつけることにする。
You say the bridge is safe; I will take care all the same.
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I'll talk it over with Marty and see what he thinks.
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I don't know what this word means. I'll look it up in the dictionary.
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Today is April Fools, so I'm telling nothing but lies.
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I'm going to keep my distance from her for a while.
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I'll sit and wait here for Tom.
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Here I decide, without hesitating, to take the alternative route.
寝ることにするよ。くたくたなんだ。
I'll say goodnight. I'm dead on my feet.
トムをここで待つことにするよ。
I'll wait for Tom here.
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If the shop is closed today, I'll try again tomorrow.