1. Basic structure
| Usage | Formation with ～に～ | Structure example | Notes |
|---|
| Destination | N(場所)+に+行く/来る/帰る | 学校に行く | Indicates a specific destination |
| Location of existence | N(場所)+に+ある/いる | 机に本がある | Static state |
| Point in time | 時刻/日付+に | ３時に会う | Not used with “today/tomorrow” unless emphasizing |
| Indirect object | N(person)+に+あげる/くれる/もらう | 彼に本をあげる | “give/receive from someone” |
| Purpose | Vます-stem + に + 行く/来る | 買いに行く | Go to do V |
| Result/change | N/Adj-na+に+なる | 先生になる／静かになる | Adj-i → くなる (do not use に) |
| Frequency/unit | 期間/単位+に+回数 | 一日に三回 | “per/for each” |
| Agent in passive | N + に + Vられる | 先生に褒められた | Equivalent to “by …” |
2. Main meanings & detailed analysis
- Specific destination/goal: emphasizes the stop/endpoint, unlike へ (only indicates direction).
- Location of existence: used with ある/いる to say “to be, to exist.”
- Specific point in time: hour, date, month; general time words (今日、明日) usually do not take に.
- Purpose with Vます-stem: “go/come to …”.
- Indicates resulting change: N/Adj-na + になる; with i-adjectives use くなる.
- Indirect object: recipient/giver in give-receive verbs.
- Unit/frequency: 一日に, 一時間に, 一人に…
- Agent in passive sentences: NにVられる.
3. Illustrative examples
- 図書館に行きます。
I’m going to the library. - 部屋に猫がいる。
There is a cat in the room. - 明日９時に会いましょう。
Let’s meet at 9 o’clock tomorrow. - 母に花をあげた。
I gave flowers to my mother. - 日本語を勉強しに来ました。
I came to study Japanese. - 医者になりたい。
I want to become a doctor. - 冬になると日が短くなります。
In winter the days get shorter. - 一日に二回薬を飲む。
Take medicine twice a day. - 先生に褒められた。
I was praised by the teacher.
4. Usage & nuances
- に (destination) emphasizes specificity; へ is neutral direction; で emphasizes the place where the action occurs.
- Vます+に行く: the verb must be an action you can move to perform (× ある/いる).
- General time expressions (今日・明日・来週) usually drop に: 明日Ø行く; add に when emphasizing exactness.
- なる/する: Adj-na/N + に, Adj-i + く; avoid mixing them up.
5. Comparison, distinctions, and similar patterns
| Pattern | Meaning | Distinction | Short example |
|---|
| に | Destination, existence, point in time | Static/destination | 駅にいる |
| へ | Direction | Does not emphasize destination | 駅へ行く |
| で | Place where the action happens | Action takes place at | 駅で待つ |
| になる／にする | Become / make | Natural change vs intentional | 静かになる／静かにする |
6. Additional notes
- に in passive can be replaced by には when emphasizing the topic: 先生には褒められた.
- Perception/affective verbs often take に for the target: 音に驚く／彼女に感動する.
- Attachment location for objects: 壁に絵を掛ける (hang it “on” the wall) vs 壁で (not used).
7. Variants & fixed expressions
- ～について (about…)
- ～にとって (for…)
- ～に対して (toward/against)
- ～になる／～にする
- Vます + にくい／やすい (hard/easy to do)
8. Common mistakes & JLPT traps
- Confusing で and に: 図書館に勉強する (wrong) → 図書館で勉強する.
- Mistaking Adj-i + に: 早いになる (wrong) → 早くなる.
- Unnecessarily adding に with general times: 今日に行く (often wrong) → 今日行く.
- Vます + に行く with an incompatible verb: いるに行く (wrong).
Basic Particles & Structures
