Meaning
Marks a period while a state lasts: do something before it changes (温かいうちに食べて), or describe a change that happens in the course of an action (読んでいるうちに眠くなった).
Formation
- Before うちに: ている or ない (読んでいるうちに、忘れないうちに); dictionary form for a state (日本にいるうちに) or repeated activity meaning ‘in the course of’ (何度も聞くうちに覚えた); い-adjective, な-adjective+な or noun+の.
- Two uses: act while the condition still holds, or note a change that happens during a process: 読んでいるうちに眠くなった
When to use it
- Core use
- While it lasts, before it changes
Examples
20 sentences-
温かいうちに食べてください
Please eat it while it is warm.
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日本にいるうちに京都へ行きたいです
I want to visit Kyoto while I am in Japan.
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明るいうちに海の写真を撮りましょう
Let's take pictures of the sea while it is still light.
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両親が元気なうちに一緒に旅行したいです
I want to travel with my parents while they are healthy.
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アイスが溶けないうちに食べてください
Please eat the ice cream before it melts.
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忘れないうちに手帳に書いておきます
I will write it in my planner before I forget.
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店がすいているうちに買い物を済ませましょう
Let's finish shopping while the store is not crowded.
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若いうちにいろいろなことに挑戦したいです
I want to try many things while I am young.
12 more examples
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野菜が新しいうちにスープを作りました
I made soup while the vegetables were fresh.
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子どもが寝ているうちに誕生日のケーキを飾りました
I decorated the birthday cake while the child was asleep.
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野菜が安いうちにたくさん買っておきましょう
Let's buy plenty of vegetables while they are cheap.
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暗くならないうちに帰りましょう
Let's go home before it gets dark.
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元気なうちにいろいろな所へ行きたいです
While I am healthy, I want to visit many places.
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学生のうちに留学したいです
I want to study abroad while I am still a student.
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朝のうちに洗濯をしておきます
I will do the laundry while it is still morning.
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日本語を聞いているうちに少し分かるようになりました
As I kept listening to Japanese, I began to understand a little.
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何度も読むうちに好きになりました
As I read it repeatedly, I came to like it.
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話しているうちに不安がなくなりました
My anxiety disappeared as we talked.
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音楽を聞いているうちに寝てしまいました
I fell asleep while listening to music.
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雨が降らないうちに洗濯物を入れてください
Please bring in the laundry before it rains.
Important notes
- うちに can mean before a state ends or during a process that brings change.
Common mistakes
- Dictionary form fits states and repeated activity: 日本にいるうちに; 何度も聞くうちに. It is not freely interchangeable with ている for any action.
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
The pattern appears in these episodes. They open in the app with the transcript and translation.
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