LESSON NOTES · レッスンノート

N4Grammar that clicks · Sep 22, 2026

Japanese plurals: 〜たち, 〜ら, 〜がた — and why 本ほん means both book and books

Japanese nouns have no plural form — 本ほん is "book" or "books" depending on context — and the suffixes learners treat as plurals (〜たち, 〜ら, 〜がた, 〜ども) attach almost only to people, adding "and the group around them" rather than simple number.

This is a place where translating from English produces sentences that are not wrong so much as strange. 本ほんたち is not an error in grammar; it is an error in worldview, and it makes your books sound like a small society.

The basics

How does Japanese show "more than one"?

Usually it does not. Number comes from context, or from a counter when it matters.

本ほんを買かいました。 — I bought a book / I bought books. (polite, number unspecified) 本ほんを三冊さんさつ買かいました。 — I bought three books. (polite, counter specifies) たくさんの人ひとがいます。 — There are a lot of people. (polite, quantity word)

If the number matters, you say the number. If it does not, Japanese leaves it out, which is why "how many" questions come up more often than in English — the full set of counting words is in Japanese counters.

What does 〜たち actually do?

It marks a group centred on the noun, and it attaches to people and other animate nouns.

学生がくせいたち。 — The students. (a group of students) 私わたしたち。 — We / us. (the group including me) 子供こどもたち。 — The children. (polite-neutral)

On a person's name it does something English has no single word for: it means "that person and the people with them."

田中たなかさんたちは先さきに帰かえりました。 — Tanaka and the others went home first. (polite)

田中たなかさんたち is not several people called Tanaka. It is Tanaka's group, which is enormously useful once you notice it — and impossible to guess from the English word "plural."

Can you use 〜たち on objects?

Not normally. 本ほんたち, 車くるまたち and 机つくえたち all read as personification — sweet in a children's book, odd in conversation.

× 本ほんたちを買かいました。 — (sounds like the books are a group of friends) ○ 本ほんをたくさん買かいました。 — I bought a lot of books. (polite, the natural version)

The exception is deliberate: fiction, advertising and pet-owner speech do it on purpose to make objects feel alive. If you are not aiming for that effect, use a quantity word instead.

What is the difference between 〜たち and 〜ら?

〜ら is the rougher, more casual sibling. It attaches to the same kinds of nouns and lowers the register.

僕ぼくら。 — We. (casual, friendly) 彼かれら。 — They. (neutral-written, the standard word for "they") お前まえら。 — You lot. (rude, common in fiction)

彼かれら is the odd one out: despite the ら, it is the ordinary word for "they" in writing and speech. お前まえら is genuinely rough, which is why it is everywhere in anime and nowhere in a polite conversation — the same register problem as the first-person pronouns in おれ, ぼく, わたし.

Beyond the basics

The four suffixes, compared

Suffix Attaches to Register Example
〜たち People, animals, some animate nouns Neutral, safe default 学生がくせいたち, 私わたしたち
〜ら People, pronouns Casual to rough 僕ぼくら, あいつら
〜がた People you are honouring Honorific 先生せんせいがた, あなたがた
〜ども Yourself/your side, or contempt Humble or rude 私わたしども, 野郎やろうども

〜ども is the strange one because it points in two opposite directions. 私わたしども is a humble "we" used by shop staff and companies about themselves. Attached to someone else, it is insulting. Humble about yourself, rude about others — a split that runs through a lot of Japanese, and the same instinct behind honorifics.

What about 人々ひとびと and the repeat mark?

A small set of nouns pluralises by doubling, written with the repeat mark 々々.

人々ひとびと。 — People. (written, slightly literary) 山々やまやま。 — Mountains. (written) 国々くにぐに。 — Countries / nations. (written) 時々ときどき。 — Sometimes. (everyday — note this one is an adverb, not a plural)

This is a closed set. You cannot invent 本ほん々々 or 猫ねこ々々; the ones that exist are fixed vocabulary, and most feel written rather than spoken. 時々ときどき has drifted into "from time to time" and no longer works as a plural of 時とき at all.

How do you say "we", "you" and "they"?

By adding a plural suffix to the singular pronoun — which is why the pronoun choice carries all the register information.

私わたしたち / 僕ぼくら / 俺おれたち。 — We. (polite / casual / rough) あなたたち / 君くんたち / お前まえら。 — You (plural). (polite / casual / rough) 彼かれら / 彼女かのじょたち。 — They (m or mixed) / they (f). (neutral)

In practice Japanese drops all of these whenever context allows. うちの会社かいしゃ ("our company") and みんな ("everyone") do far more work than 私わたしたち does, and over-using pronouns is one of the clearest markers of a translated sentence.

What do you say instead of a plural?

Four things, all more natural than a suffix:

  • A counter. 学生がくせいが三人さんにんいます — three students, exactly.
  • A quantity word. たくさん, 多おおくの, いくつか — many, much, several.
  • みんな or 全員ぜんいん. みんな来きました, "everyone came."
  • Nothing at all. 犬いぬが好すきです means "I like dogs," with no plural marking anywhere.

That last one is the habit to build. English forces a choice between "dog" and "dogs" in every sentence; Japanese lets you say the noun and move on, and learning to leave it unmarked is most of what sounding natural means here.

Does 〜たち change the grammar of the sentence?

No. Japanese verbs and adjectives do not agree with number, so adding たち changes nothing else.

学生がくせいが来きました。 — The student came / the students came. (polite) 学生がくせいたちが来きました。 — The students came. (polite, group emphasised)

The verb is identical in both. This is why the suffix is optional in a way an English plural never is — it adds emphasis on the group, not grammatical information the sentence needs. The particle in front of it does the real structural work, which is the subject of は vs が.

Common mistakes

  • 本ほんたち, 車くるまたち, 猫ねこたち for ordinary objects. Personification. Use a counter or たくさん. (猫ねこたち is acceptable — animals are borderline — but 猫ねこが三匹さんびき is more natural.)
  • Assuming 田中たなかさんたち means several Tanakas. It means Tanaka and the people with them.
  • Using 私わたしたち in every sentence. Japanese drops pronouns. うち, みんな, or nothing at all is usually better.
  • お前まえら because anime uses it. It is rough. 皆みなさん is the word you want for a group you are addressing.
  • Treating 〜ども as a neutral plural. 私わたしども is humble; 〜ども on someone else is contemptuous.
  • Inventing 々々 forms. 人々ひとびと and 山々やまやま exist; 本ほん々々 does not. The set is closed.

Practice

Answers are hidden — build yours first, then open. Questions 1 and 2 are a pair: the same English sentence, two different structures.

1. Say "I bought books" — quantity unspecified.

Show answer

本ほんを買かいました — no plural marking at all. Japanese leaves number out unless it matters.

2. Now say "I bought three books."

Show answer

本ほんを三冊さんさつ買かいました — the counter carries the number. This is the pair to question 1: 本ほんたち was never an option in either.

3. Say "Tanaka and the others went home first," politely.

Show answer

田中たなかさんたちは先さきに帰かえりました — 〜たち on a name means that person plus their group, not several Tanakas.

4. What is wrong with 机つくえたちを買かいました?

Show answer

〜たち personifies objects — it makes the desks sound like a group of people. Say 机つくえをたくさん買かいました or use a counter.

5. Say "we" three ways: polite, casual, rough.

Show answer

私わたしたち / 僕ぼくら / 俺おれたち — the pronoun carries the register; the suffix only marks the group.

6. You are a shop assistant speaking about your own company. Say "we."

Show answer

私わたしども — the humble plural, standard in business. Used about anyone else, 〜ども is insulting.

7. Address a group of teachers respectfully.

Show answer

先生せんせいがた — 〜がた is the honorific plural. 先生せんせいたち is not rude, but がた is the respectful choice.

8. Say "there are three students," politely.

Show answer

学生がくせいが三人さんにんいます — a counter, not a plural suffix. 学生がくせいたちがいます would be about the group, not the number.

9. Say "I like dogs."

Show answer

犬いぬが好すきです — no plural anywhere. This is the habit to build: state the noun and move on.

10. A character shouts お前まえら! — what register is that, and what would you say instead?

Show answer

Rough and confrontational; say 皆みなさん — お前まえら is fine in fiction and between very close friends, and nowhere else.

FAQ

Is 〜たち ever wrong with animals? Not wrong. 犬いぬたち and 猫ねこたち are used, especially when the animals are familiar or pets. For plain counting, 犬いぬが三匹さんびき is more natural.

Why is 彼かれら the normal word for "they" if ら is casual? Because 彼かれら fossilised as ordinary vocabulary. It appears in newspapers and formal writing without sounding rough, unlike 僕ぼくら or あいつら.

How do I make a name plural properly? You do not — 〜たち on a name creates "that person's group." If you genuinely mean several people with the same surname, you would say 田中たなかさんという人ひとが二人ふたり.

Does Japanese ever need a plural? Almost never grammatically. The only places it matters are when the group itself is the point (私わたしたち vs 私わたし) or when a counter is required for clarity.

Is 皆みなさん a plural? Effectively yes — it means "everyone" as a polite address, and it is what to use for a group you are speaking to. 皆みなさんたち is redundant and wrong.

What about 我々われわれ? A formal, slightly grand "we," used in speeches and by characters who want to sound weighty. Correct, and noticeably stiff in ordinary conversation.

Vocabulary from this article

Tap the block to select all of it, then copy. In Anki: File → Import, note type Basic, separator Tab — the first column becomes the front, the second the back.

〜たち	たち — plural suffix for people (group of)
〜ら	ら — plural suffix, casual to rough
〜がた	がた — plural suffix, honorific
〜ども	ども — plural suffix, humble or contemptuous
私たち	わたしたち — we (polite)
僕ら	ぼくら — we (casual)
彼ら	かれら — they
彼女たち	かのじょたち — they (female)
君たち	きみたち — you (plural, casual)
お前ら	おまえら — you lot (rough)
私ども	わたくしども — we (humble, business)
我々	われわれ — we (formal, weighty)
先生がた	せんせいがた — teachers (honorific)
皆さん	みなさん — everyone (polite address)
全員	ぜんいん — all members, everyone
人々	ひとびと — people
山々	やまやま — mountains
国々	くにぐに — countries
時々	ときどき — sometimes
多くの	おおくの — many, much
いくつか	いくつか — several, a few

I'm Yuuki, a Japanese teacher based in Tokyo. I've taught on italki as a Top 1% teacher and watched over 1,500 anime. Students find the missing plural unsettling for about a week and then stop noticing it — the one that never stops being useful is 〜たち on a name, because "Tanaka and the people he came with" is a thing English needs a whole clause to say.

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Sources: the author's own lessons and standard reference grammars.

More drills like the ones above, plus a timed JLPT-style mock test: Practice · N4

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