Transitive vs. Intransitive Verb Pairs

The Pattern Nobody Teaches You

Language Deep-Dive

{{first_name | みんな}}さん、こんにちは ☕

English gives you one verb: "break."

Japanese gives you two. One for when you break something. One for when it breaks on its own.

こわ

you did it.

こわれる

it just... happened. No agent needed.

That's not redundancy. That's precision. And it tells you something about how 125 million people see the world differently than you do.

If you've ever frozen mid-sentence trying to remember which one to use — or worse, slapped を onto an intransitive verb and gotten corrected by a native speaker — we're about to fix that. Not with a list of 300 pairs to memorize. With a system.

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Transitive vs intransitive verb pairs — the pattern nobody teaches you

The worldview shift you didn't know you needed

In our first issue, we talked about how は and が reveal something fundamental about how Japanese frames the world. は sets context. が identifies what has a quality or does the action.

Today we go deeper. Because that same principle is baked into Japanese verbs.

Here's the part most resources miss: transitive/intransitive pairs aren't a vocabulary problem — they're also a worldview problem.

And if you want a gentle label for it: English tends to default to an agent-first framing — not in a bad way, just as a habit baked into the language. "I opened the door." "She broke the vase." "We started the meeting." You're always the star of the sentence.

Japanese? It often prefers to describe what happened instead of who did it.

ドアいた。

"The door opened."

Not "I opened the door." Just... the door opened. Event-centered. The が is doing the same job it did in Issue #001 — marking the thing with the quality. The door has the quality of having opened. No agent needed.

There's a reason Japanese speakers choose intransitive even when they did do the action. (We'll get there. It has to do with politeness — and it's going to change how you construct sentences.)

Two verbs, one kanji — the minimal pair

ドアけた。

"I opened the door." (Transitive — agent did it)

ドアいた。

"The door opened." (Intransitive — it happened)

The difference: Same kanji. Same door. But を + ける = you caused it. が + く = it just happened. The particle and the verb changed together — because in Japanese, they're the same decision. ☝️

One more, to prove this isn't a one-off:

電気でんきした。

"I turned off the light." (Transitive — you did it)

電気でんきえた。

"The light went out." (Intransitive — it happened)

Same pattern. を + す = you caused it. が + える = it just happened. That's Pattern A — we'll get there in a minute.

The names Japanese gave these verbs are better than ours

Before we go further — forget the words "transitive" and "intransitive." Even linguists admit those labels are terrible for learners.

Japanese names its own categories more clearly:

他動詞たどうし

"other-move verb." You move something else.

自動詞じどうし

"self-move verb." It moves itself.

= other. = self. That's it. Is the thing moving itself, or are you making it move?

Every verb pair we're about to look at fits this question. And here's a study hack that most resources skip entirely:

The particle trick

Most textbooks give you a table of pairs and say "memorize them." We spent three weeks trying that approach once. Got through maybe 20 pairs before our brain started treating はじめる and はじまる as the same word with two random endings.

Here's what actually worked: learn the verb together with its particle.

Not: "ける = to open (transitive), く = to open (intransitive)."

Instead: ドアをける / ドアがく.

Always. Every time. The particle is the clue.

+ verb = you're doing something to something (他動詞たどうし)

+ verb = something is happening on its own (自動詞じどうし)

When you study a new verb pair, learn the whole phrase: thing + particle + verb. The particle becomes your anchor. After enough pairs, you'll hear を and instinctively know someone is acting on something. You'll hear が and know the event is describing itself.

This isn't just a memorization trick — it's how Japanese actually works. The particle and the verb are one decision, not two.

(We'll come back to this in a future issue on vocabulary — and how to actually retain verb pairs without brute-force memorization.)

⚠️ Abunai!

If you're translating from English to Japanese and you start with "I..." — stop. Ask yourself: does Japanese even need an "I" here? Often the intransitive version (no agent) is what a native speaker would actually say.

Verb pairs with particles — the particle trick

The three patterns behind most verb pairs

Now for the shortcuts. These aren't "rules with exceptions" — they're the actual phonetic patterns that generated most pairs historically. Three patterns. You already know one of them.

Pattern A: -す = transitive

Think of す as related to する — someone is doing this.

他動詞 (you do it) 自動詞 (it happens) Meaning
take out / go out
える turn off / vanish
こわ こわれる break / get broken
うごかす うご move something / move
なお なお fix / get fixed
かえ かえ return something / return

In verb pairs, -す is almost always the transitive partner. (A few standalone -す verbs like す "to increase" can also be used intransitively, but within pairs? Rock-solid.)

Pattern B: The -まる/-かる ending = intransitive

Memory hook: think of ある — "to exist." These endings carry that same energy. Nobody did it. It just is.

他動詞 (you do it) 自動詞 (it happens) Meaning
める まる close / be closed
はじめる はじまる start something / start
める まる decide / be decided
あつめる あつまる collect / gather
つける つかる find / be found

And yes — ける/く doesn't fit this table. The intransitive く ends in -く, not -まる. Just learn that one as-is. (It's also the most common pair you'll encounter, so it'll stick fast.)

☝️ Chotto

く has two readings. As あく, it's intransitive — ドアがく "the door opens." As ひらく, it can be bothほんひらく "open a book" is transitive. For the pair with ける, we're talking about あく.

Pattern C: する/なる — the big picture

This isn't a phonetic pattern like A and B. It's the underlying logic behind the whole system.

する = "do" (transitive). なる = "become" (intransitive).

しずかにする

"Make it quiet." (You cause the change.)

しずかになる

"It becomes quiet." (The change just happens.)

That's the question at the heart of every verb pair: Am I describing someone doing this? Or something becoming/happening on its own?

☝️ Chotto

You don't need to memorize all three pattern tables today. The -す = transitive rule alone covers about a third of common pairs. Start there.

Where English speakers crash (every time)

We keep a running list of the most common transitive/intransitive mistakes we see from English speakers. Three patterns show up over and over:

Mistake 1: "I broke it" → こわした (always)

In English, "the vase broke" and "I broke the vase" use the same verb. In Japanese, those are different verbs entirely.

花瓶かびんこわれた

"The vase broke." (No blame. Could've been the cat.)

花瓶かびんこわした

"I broke the vase." (You did it. Taking responsibility.)

If you always reach for こわした, you sound like you're claiming credit for every accident. Native speakers default to こわれた unless they specifically want to assign blame.

Mistake 2: Using を with intransitive verbs

ドアく ← Wrong.

を doesn't go with the intransitive. It's ドアく.

This happens because English trains you to think in "subject + object" structure. "The door opened" has no object in English — but your brain still wants to mark "door" with を because it feels like the object. It's not. In Japanese, the door is the subject of the intransitive verb.

Mistake 3: Always being the main character

English speakers default to agent-centered sentences. "I started the meeting." "I turned on the lights." But in a Japanese office, you'd more naturally hear:

会議かいぎはじまりました

"The meeting started." (Neutral, professional)

会議かいぎはじめました

"I/we started the meeting." (Claims agency)

This matters. And it leads us to the part of this topic nobody else teaches.

The subtlety of choosing intransitive in Japanese

Why Japanese speakers choose intransitive — even when they did it

Remember that open loop from earlier? Here's the payoff.

Intransitive isn't just a grammar category. It's a communication strategy. Choosing こわれた over こわした isn't laziness — it's a deliberate softening.

In practice, Japanese communication often avoids assigning responsibility directly. The intransitive gives you that exit. Nobody gets blamed. The event happened. Moving on.

Same situation. Three framings. Watch the social temperature shift:

ドアいた

"The door opened." (Event. Neutral.)

わたしがドアけた

"I opened the door." (Agent. Direct.)

ドアけてもらった

"I had the door opened for me." (Social. Receiving.)

Three Japanese sentences for one English situation. Not because Japanese is "complicated." Because Japanese is precise about social context in ways English doesn't bother with.

⬆️ Level up レベルアップ

For experienced learners — the core takeaway is just が vs を.

Blame avoidance: いえけた (house burned) vs いえいた (burned the house) — news uses intransitive

Describing states: ドアがいている (door is open) vs ドアをけている (opening the door) — が = state, を = action

Business speak: げががった (sales rose) vs げをげた (we raised sales) — reports favor intransitive

Kanji of the Week

ドウ ・ うご・く / うご・かす

Move, motion

Key words

うごく (to move, intransitive) · うごかす (to move something, transitive) · 運動うんどう (exercise) · 自動じどう (automatic — "self-moving")

Radical: ちから — power, force

Memory hint: Look at the components: おもい (heavy) + ちから (power). To move something heavy, you need force — an agent applying power. That's the transitive energy right there. But うごく (intransitive) means the thing moves on its own. Same kanji, same concept — with or without the force.

This week's connection: うごく vs うごかす perfectly demonstrates Pattern A (す = transitive). And the kanji itself — "heavy + power" — is a built-in mnemonic for the agent-centered vs event-centered choice this entire issue is about.

Renshuu Time 練習れんしゅう 📝

The Transitive/Intransitive Sort

Below are 6 sentences. For each one, decide: is the verb 他動詞たどうし or 自動詞じどうし? Then identify which pattern (A, B, or C) it follows.

(Answers drop in next week's brew — try sorting them first!)

1. 電気でんきえた。

2. まどめてください。

3. 授業じゅぎょうはじまった。

4. かれはケーキをいた。 (bonus — this one's tricky!)

5. かばんがつかった。

6. しずかになった。

Starter: Just sort them into 他動詞たどうし or 自動詞じどうし. Use the particle as your clue — が or を?

Standard: Sort them AND identify the pattern (A: す, B: -まる/-かる, C: する/なる).

Challenge: Rewrite each sentence using the opposite transitivity verb. Notice how the particles have to change too.

You'll know you did it when: You can look at the particle before a verb and immediately think "that's 他動詞たどうし" or "that's 自動詞じどうし" — without checking a list.

🎉 Yatta!

Even if you only sorted 3 of the 6, you've already started seeing verbs differently. That's the pattern recognition kicking in. It'll keep firing every time you read Japanese from now on.

⬆️ Level up (optional)

For each sentence, write both the transitive AND intransitive version. Then ask: which one would a native speaker actually use in this context? (Hint: it's usually the intransitive.)

You just learned something that most Japanese textbooks get wrong: transitive and intransitive isn't about memorizing pairs. It's about understanding why Japanese has them — and that "why" connects to the same worldview shift from は and が that we covered in Issue #001.

If that connection clicked for you today — even a little — you're thinking in Japanese now. Not translating from English. Thinking.

This week, try the particle trick with one verb pair you already know. Write both versions — the を sentence and the が sentence. Notice how the meaning shifts.

Then reply and tell us: which pair did you pick? We read every reply. Seriously.

Next week: Kanji radicals — actually useful or just busywork? We settle the debate.

これからも一緒いっしょ頑張がんばりましょうね〜 💪

— Kotoba Brew Editorial Desk

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