Meaning
Used when something is done in advance as preparation for a future situation, or to leave something in its current state: 窓を開けておいてください — please leave the window open.
Formation
- て form + おく — 買っておきます
- Colloquial contraction: ておく → とく, でおく → どく
When to use it
- Core use
- Do in advance; leave as is
Examples
20 sentences-
寝る前にドアを閉めておきます
I close the door in advance before going to bed.
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旅行の前に切符を買っておきます
I buy the tickets in advance before the trip.
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明日の会議のために資料をコピーしておきました
I copied the materials in advance for tomorrow’s meeting.
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忘れないようにノートに名前を書いておきました
To avoid forgetting, I wrote the name in my notebook beforehand.
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客が来る前に部屋を暖かくしておきます
I warm up the room in advance before guests come.
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台風が来るかもしれないのでベランダの植木鉢を中に入れておきました
Because a typhoon might come, I brought the flowerpots inside beforehand.
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出かける前に天気を調べておきます
I will check the weather before going out.
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夜遅くなるので先に家族に連絡しておきます
I will be home late, so I will let my family know in advance.
12 more examples
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パーティーの飲み物を冷やしておきました
I chilled the drinks for the party in advance.
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後で使うのでこの箱は捨てないでおきます
I will leave this box without throwing it away because I will use it later.
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エアコンはつけておいてください
Please leave the air conditioner on.
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机の上の物はそのままにしておいてください
Please leave the things on the desk as they are.
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明日までに読んどくね
I'll have it read by tomorrow.
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台所の窓を開けておきます
I'll leave the kitchen window open.
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授業で紹介するので、旅行の写真を見ておきます
I will look through the travel photos beforehand because I will present them in class.
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寒いので、ドアは閉めておいてください
It is cold, so please keep the door closed.
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発表の前に、友達の意見を聞いておきます
I will ask for my friend's opinion before the presentation.
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テストまでにこの言葉を覚えておいてください
Please have these words learned by the test.
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地震のときのために、水を買っておきます
I will buy some water in advance in case of an earthquake.
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晩ご飯の準備をしておきます
I will prepare dinner in advance.
Important notes
- ておく can mean preparation or maintaining a state: 窓を開けておく.
Common mistakes
- Preparation is ておく; a prepared result viewed as a state is てある.
Check yourself
Pick the translation of each sentence. The wrong options translate similar patterns, so watch the grammar rather than the words.
Similar grammar
Hear it in podcasts
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