Particles In Depth: に・が・で・を — Which to Use? [JLPT N2]
By Nihongo to Japan · Updated July 3, 2026
A deep comparison of the most-confused Japanese particles
Particles In Depth: How to Choose Among に・が・で・を
Particles are the “skeleton” of Japanese, and に・が・で・を are the easiest to confuse. They decide a noun's role in the sentence: に = direction/destination/location of existence/time; で = where an action happens / means; を = the object of an action / space passed through; が = the subject / the target of potential & likes. Master these four and sentences click.
🧠 Core idea: particles mark the noun-verb relationship
Don't memorize blindly — ask: what is this noun's relationship to the verb? Use に for “where it exists,” で for “where an action is done,” を for “what the action is done to,” and が for “who/what is the subject in focus.” For the same place, 「公園にいる」 (existence) and 「公園で遊ぶ」 (action) take different particles — the key is the verb's nature.
📌 Core Uses of the Four Particles
| Particle | Core | Example |
|---|---|---|
| に | destination・location・time・target | 東京に行く/部屋にいる/3時に |
| で | place of action・means・scope | 公園で遊ぶ/バスで行く |
| を | object of action・space passed/left | パンを食べる/橋を渡る |
| が | subject・target of potential/likes | 雨が降る/日本語が話せる |
💬 Example Sentences
- 子供たちが公園で元気に走っている。(The kids are running energetically in the park.) — で = place of action
- 猫が部屋にいる。(The cat is in the room.) — に = location of existence
- 毎朝この橋を渡って学校へ行く。(Every morning I cross this bridge to school.) — を = space passed through
- 彼は日本語が上手に話せる。(He can speak Japanese well.) — が = target of potential
- 来週、東京に行く予定だ。(I plan to go to Tokyo next week.) — に = destination
🔄 Trickiest: に vs で/が vs を
| Contrast | Difference | Example |
|---|---|---|
| に vs で | に = existence/arrival (いる・着く); で = action (遊ぶ・する) | 家にいる/家で食べる |
| を vs に (movement) | を = space passed (渡る・歩く); に = destination (行く・着く) | 道を歩く/駅に着く |
| が vs を (potential) | potential/likes take が; regular transitives take を | 水が飲める/水を飲む |
| が vs は | が = new info/focus; は = topic/contrast | 誰が来た/私は学生だ |
⚠️ Common Mistakes
- で for existence: ✗ 部屋でいる → ✓ 部屋にいる (existence uses に).
- に for action: ✗ 公園に遊ぶ → ✓ 公園で遊ぶ (place of action uses で).
- を with potential: ✗ 日本語を話せる → potential usually uses が (日本語が話せる).
- に for space passed through: ✗ 橋に渡る → ✓ 橋を渡る (space of movement uses を).
💡 Nuance & When to Use
に・が・で・を are basic particles you use every day; choosing right makes sentences natural. Master the mapping “existence/arrival/time→に, place of action/means→で, object/passing→を, subject/potential→が,” then drill contrasts like 公園にいる vs 公園で遊ぶ, and particles become intuitive. They appear from N5 yet are tested through N2 — nail them and your whole Japanese steadies.
🎯 JLPT Exam Tips
- Tested N4–N2: に (destination/existence/time) vs で (place of action/means) vs を (object/passing) vs が (subject/potential).
- Common traps: existence いる/ある → に; action する/遊ぶ → で; movement-through → を; potential → が.
- Usually fill-in-the-particle items — judge by the verb's nature.
🖊️ 練習題(5 題)
Q1. 「子供たちが公園___元気に走っている。」(孩子們在公園精神奕奕地跑著)
(A) で (B) に (C) を (D) へ
Q2. 「彼は日本語___上手に話せる。」(他能說一口流利的日語)最も自然な助詞は?
(A) が (B) を (C) に (D) で
Q3. 「毎朝この橋___渡って学校へ行く。」(每天早上過這座橋去學校)
(A) を (B) に (C) で (D) と
Q4. 「公園にいる」と「公園で遊ぶ」の助詞の使い分けとして正しいものは?
(A) に=存在的場所(いる/ある);で=動作發生的場所(遊ぶ/する)
(B) 兩者完全相同
(C) に 只能接動作動詞
(D) で 只能接存在動詞
Q5. 「来週、東京___行く予定だ。」(下週預定去東京)最も適切な助詞は?
(A) に (B) で (C) を (D) が
答案解析
1. (A) で ── 動作發生的場所用「で」(走る是動作)。
2. (A) が ── 可能形前通常用「が」(日本語が話せる)。
3. (A) を ── 移動動詞通過的空間用「を」(橋を渡る)。
4. (A) ── に=存在場所(いる/ある);で=動作場所(遊ぶ/する)。
5. (A) に ── 移動的目標方向用「に」(東京に行く)。