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: = direction/destination/location of existence/time; = where an action happens / means; = the object of an action / space passed through; = 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, 「公園いる」 (existence) and 「公園遊ぶ」 (action) take different particles — the key is the verb's nature.

📌 Core Uses of the Four Particles

ParticleCoreExample
destination・location・time・target東京行く/部屋いる/3時
place of action・means・scope公園遊ぶ/バス行く
object of action・space passed/leftパン食べる/橋渡る
subject・target of potential/likes降る/日本語話せる

💬 Example Sentences

🔄 Trickiest: に vs で/が vs を

ContrastDifferenceExample
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

  1. で for existence: ✗ 部屋でいる → ✓ 部屋いる (existence uses に).
  2. に for action: ✗ 公園に遊ぶ → ✓ 公園遊ぶ (place of action uses で).
  3. を with potential: ✗ 日本語を話せる → potential usually uses (日本語が話せる).
  4. に for space passed through: ✗ 橋に渡る → ✓ 橋渡る (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

🖊️ 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)。