The Particle “de”: Place, Means, Cause, Scope, Material, Quantity [JLPT N5]
By Nihongo to Japan · Updated July 3, 2026
「電車で行く」「日本語で話す」「五人で食べる」 — で's common thread is the ‘frame.'
The Particle “de”: Place, Means, Cause, Scope, Material, Quantity
The particle 「で」's common thread is ‘the frame/condition of an action,' with six main uses: ① place of action “at/in 〜” (with action verbs): 「図書館で勉強する」 (study at the library); ② means/tool “by/with/in 〜”: 「電車で行く」 (go by train), 「日本語で話す」 (speak in Japanese); ③ cause “because of 〜”: 「風邪で休む」 (take leave due to a cold); ④ scope “within 〜”: 「クラスで一番」 (the best in class); ⑤ material “make with 〜”: 「木で作る」 (make with wood); ⑥ quantity/unit “for/with 〜”: 「三人で食べる」 (eat with three people), 「千円で買う」 (buy for 1000 yen). ⚠️ Key: で = the place where an action happens (図書館で勉強); に = existence/arrival (図書館にいる/行く)! Don't confuse them.
🧠 Core nuance: an action's ‘frame' — where, with what, why, within what scope
The core is で marks the frame/condition in which an action proceeds: place, means, cause, scope, material, quantity: ① place of action — where an action proceeds (with action verbs: 図書館で勉強する = study at the library, 公園で遊ぶ = play in the park, レストランで食べる); ② means/tool/method — with what (電車で行く = by train, ペンで書く = write with a pen, 日本語で話す = speak in Japanese, ネットで調べる); ③ cause/reason — because of (風邪で休む = take leave due to a cold, 地震で電車が止まる, 病気で死ぬ); ④ scope — within a range (クラスで一番 = the best in class, 世界で最も = the most in the world, 日本で人気); ⑤ material — make with … (visible raw material: 木で作る = make with wood, 紙で折る = fold with paper); ⑥ quantity/unit/limit — for/with … (三人で食べる = eat with three people, 千円で買う = buy for 1000 yen, 一日で終わる = finish within a day). ⚠️ Core: で = an action's ‘frame/condition' (where it's done, with what, why, how much)! ⚠️ Most important contrast with 「に」: 「で」 = the place where an action happens (図書館で勉強する = the action of studying at the library); 「に」 = a point of existence/arrival (図書館にいる = be at the library, 図書館に行く = go to the library) — an action happening uses で, existence/arrival uses に! A core N5 particle.
📌 Six Uses
| Use | Nuance | Example |
|---|---|---|
| place of action | at/in (doing an action) | 図書館で勉強する |
| means/tool | by/with | 電車で行く |
| cause/reason | because of | 風邪で休む |
| scope | within 〜 | クラスで一番 |
| material | make with 〜 | 木で作る |
| quantity/unit | for/with | 三人で食べる |
💬 Example Sentences
- 公園でジョギングします。(I jog in the park.) — place of action
- 何で行きますか、電車ですか、バスですか?(How will you go — by train or bus?) — means
- 風邪で学校を休みました。(I took leave from school due to a cold.) — cause
- 三人でこのピザを食べましょう。(Let's eat this pizza with three people.) — quantity/unit
- これは木で作りました。(This was made with wood.) — material
🔄 Compare: で vs に vs を vs から
| Particle | Nuance | Example |
|---|---|---|
| で(place of action) | at 〜 (doing an action) | 図書館で勉強する |
| に(existence/arrival) | at/to 〜 (static) | 図書館にいる/行く |
| で(means) | by/with | バスで行く |
| で(cause) | because of | 風邪で休む |
⚠️ Common Mistakes
- で vs に: an action happening uses で (図書館で勉強); existence/arrival uses に (図書館にいる/行く)! Most-tested.
- Means uses で: 電車で行く, 日本語で話す, ペンで書く (tool/method).
- Cause uses で: 風邪で休む, 地震で止まる (because of); a weightier cause.
- Quantity/unit uses で: 三人で食べる, 千円で買う, 一日で終わる (for/with).
💡 Nuance & When to Use
The particle 「で」 marks an action's ‘frame/condition,' with six uses: place of action (図書館で勉強), means/tool (電車で, 日本語で), cause (風邪で), scope (クラスで一番), material (木で作る), quantity/unit (三人で, 千円で). ⚠️ Most important: で (the place where an action happens) vs に (a point of existence/arrival)! An action → で, static → に. A core N5 particle — memorize it.
🎯 JLPT Exam Tips
- N5 core: で = place of action (図書館で勉強), means (電車で), cause (風邪で), scope (クラスで一番), material (木で), quantity (三人で).
- Most important distinction: で (the place where an action happens) vs に (a point of existence/arrival) — 図書館で勉強する vs 図書館にいる/行く.
- How to judge: an action happening uses で, static existence/arrival uses に.
🖊️ Practice Quiz
Q1. 「公園___ジョギングします。」Which particle is correct?
(A) に (B) で (C) を (D) が
Q2. 「___行きますか、電車ですか、バスですか？」Fill the blank.
(A) 何で (B) 何に (C) 何が (D) 何を
Q3. 「風邪___学校を休みました。」Which particle is correct?
(A) が (B) に (C) で (D) から
Q4. 「三人___このピザを食べましょう。」Which particle is correct?
(A) に (B) が (C) を (D) で
Q5. Which 「で」 has the same use as in 「図書館で勉強する」?
(A) 風邪で休む
(B) 木で作る
(C) 公園で遊ぶ
(D) 三人で行く
Answer Key
1. (B) で ── jogging is an action done in the park, so the place of action uses で. に is for existence (公園にいる).
2. (A) 何で ── asking “by what means/transport,” the means uses で.
3. (C) で ── 風邪で休む = take leave due to a cold; cause uses で.
4. (D) で ── 三人で = with three people; quantity/unit uses で.
5. (C) 公園で遊ぶ ── this is a place of action (same as 図書館で勉強する); the others are cause/material/quantity.