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While; before (a change occurs)
Definition
The grammar pattern 'V-辞書形 / V-ている / V-ない / Adj / N-の + うちに' is used to express the idea of doing something while a certain state or situation lasts, before it changes. It can also imply that a change occurred naturally while doing something, without the speaker noticing. This pattern is often used to convey a sense of continuity or transition from one state to another. The nuance of this pattern is to emphasize the relationship between the action and the state, highlighting the timing and sequence of events.
Structure
| Form | Pattern | Example |
|---|---|---|
| V-辞書形 | V-ます形 | 食べます |
| V-ている | V-ている | 食べている |
| V-ない | V-ない | 食べない |
| Adj | 形容詞 | 大変 |
| N-の + うちに | 名詞の + うちに | 時間のうちに |
Examples
スープが食べるうちに、召し上がってください。
スープがたべるうちに、しょうじょうってください。
Please finish eating the soup while it's still hot.
スープが食べるうちに = while eating the soup, 召し上がってください = please finish eating
何度も聞いているうちに、歌を忘れてしまった。
なんどもききているうちに、うたをわすれてしまった。
I forgot the song while listening to it repeatedly.
何度も聞いているうちに = while listening to it repeatedly, 歌を忘れてしまった = I forgot the song
時間のうちに、家へ帰りましょう。
じかんのうちに、いえへかえりましょう。
Let's go home before the time runs out.
時間のうちに = before the time runs out, 家へ帰りましょう = let's go home
雨が降っているうちに、傘を忘れてしまった。
あめがふっているうちに、かさをわすれてしまった。
I forgot my umbrella while it was raining.
雨が降っているうちに = while it was raining, 傘を忘れてしまった = I forgot my umbrella
何度も練習しているうちに、技術が上達しました。
なんどもれんしゅうしているうちに、ぎじゅつがじょうたつしました。
My skills improved while I practiced repeatedly.
何度も練習しているうちに = while practicing repeatedly, 技術が上達しました = my skills improved
Context
This pattern is used to express the idea of doing something while a certain state or situation lasts, before it changes. It can also imply that a change occurred naturally while doing something, without the speaker noticing. This pattern is often used to convey a sense of continuity or transition from one state to another. The nuance of this pattern is to emphasize the relationship between the action and the state, highlighting the timing and sequence of events. This pattern is commonly used in spoken language and is often used in informal conversations.
Watch out
aida ni is a more general pattern that can be used to express 'during' without the specific nuance of 'before it changes'.
cannot use specific time durations like '3 hours' because the pattern is used to express a general state or situation, not a specific time duration.
use 'na' for na-adj because it is the correct connector for na-adj in this pattern.
Strategy
Pay attention to the nuance of the pattern and the relationship between the action and the state. Make sure to use the correct verb form and connector. Practice using this pattern in different contexts to get a feel for its usage.
In context
Worked examples drawn from JLPT N2 test-style questions. Each sentence shows V-辞書形 / V-ている / V-ない / Adj / N-の + うちに used correctly, with a brief note on what the pattern is doing.
スープが温かいうちに、召し上がってください。
Pattern used: 温かい
'Uchi ni' uses the present form to mean 'while it is still in this state'.
何度も聞いているうちに、歌を覚えてしまった。
Pattern used: 覚えて
This describes a natural change that occurred while repeating an action.
明るいうちに、家へ帰りましょう。
Pattern used: 明るい
Meaning 'before it gets dark', so 'akarui uchi ni' is used.
Interactive
スープが______うちに、召し上がってください。
Adaptive practice
Our adaptive engine will quiz you on this grammar pattern and track your progress toward mastery.