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The に Particle: A Multi-Function Workhorse

The に particle is a multi-function workhorse in Japanese. It pins a noun to a fixed point in time, space, transfer, or change of state.1 One particle fills seven syntactic slots, with a single underlying intuition tying them together.2

Overview

The case particle に does more work than almost any other one-kana particle a beginner meets. Reference grammars treat its uses as syntactically distinct, but they all descend from one historical core and share one mental model.1 2 This article sets out the seven N5-level functions, the one intuition that holds them together, and two forms that look similar but are not this に.3

What に is and is not

に belongs to the family of 格助詞 (kakujoshi), or case particles: the particles that mark grammatical roles on noun phrases. The full family in school grammar is , , に, で, へ, , から, より, and まで.3 4

Within that family, に carries an unusually heavy load. Standard reference grammars list its case roles across several slots: locative (where something exists), dative (the recipient of a transfer), allative (the destination of motion), temporal (a point in time), result-of-change (with なる and する), and agent of a passive verb.1 5 6 These are syntactically separate uses that share the same particle form. Their unity is morphological and historical, not lexical polysemy (one word with several related meanings).1 3

The kana に also appears in two places that are not this case particle, and learners often mix them up. The first is the copula continuative 〜に in phrases like 静かに 話す. The second is a family of compound particles that begin with に, such as について, に対して, によって, and に関して.

The case particle stands alone

The case particle に in modern Japanese never appears inside a word stem. When に sits between two kanji, follows a な-adjective stem (静かに), or anchors a fixed multi-word grammatical phrase (について), the surface form is not the particle treated in this article.1 3

わたし学生がくせいになる。7
"I will become a student."

しずかにはなす。3
"I speak quietly."

この問題もんだいについてはなす。4
"I will speak about this problem."

The first sentence uses the case particle to pin the end-state of a change. The second uses the continuative form of the na-adjective copula, modifying the verb adverbially. The third uses the compound particle について, which reference grammars list as a separate headword.

A single intuition: the fixed point

The seven uses of the case particle に share one mental model: に marks a fixed point, target, or anchor that the rest of the clause is positioned against. Tofugu frames it as "a pin on a map" that shows where you are, where you are headed, or where you were before.8

The same gesture unifies every sense.1 8 Time-に pins the moment on the calendar or clock. Destination-に pins the arrival point of a motion verb. Recipient-に pins the target of a transfer. Existence-に pins where a thing or person is. Purpose-に pins the goal of going somewhere. Result-に pins the end-state of a change. Agent-に pins the doer of a passive clause, the participant at whose feet the action lands.

This is not folk etymology, or a made-up origin story. The functional unity reflects the descent of に from an Old Japanese locative case marker, which spread by extension to mark dative, allative, and eventually the agent of passives.2 Modern reference grammars treat the senses as one particle with multiple syntactic licensings (grammar environments that allow a form), not as multiple homophones.1 3

For learners, the payoff is that the seven slots stop looking like seven coincidences. When に appears on a noun, the noun is the fixed point the verb, the change, or the transfer is pointed at.8 9

会議かいぎはじまる。10
"The meeting begins at 3 o'clock."

学校がっこうく。10
"I go to school."

友達ともだちほんをあげた。11
"I gave a book to my friend."

These three sentences show three different roles, with one particle pinning each role onto its noun.

The seven functions at a glance

For an N5 reader, the core inventory of the case particle に has seven functions. Standard reference grammars enumerate them in nearly this order.1 8 11 6

#FunctionCanonical exampleWhere it sits
1Point in time7時に起きるFunction 1
2Destination of motion学校に行くFunction 2
3Location of existence東京に住んでいるFunction 3
4Indirect object / recipient母に花をあげるFunction 4
5Purpose of motion食べに行くFunction 5
6Result of change静かになる / 先生になるFunction 6
7Passive agent先生に叱られたFunction 7

Reference grammars list further edge uses: frequency (一日に三回 "three times a day"), cause (結果に驚く "be surprised at the result"), and standard of comparison (駅に近い "near the station").11 1 These uses are real, but they sit outside the N5 scope and outside this article.

きる。10
"I wake up at 7." (Function 1.)

東京とうきょうんでいる。11
"I live in Tokyo." (Function 3.)

べにく。12
"I go to eat." (Function 5.)

先生せんせいしかられた。11
"I was scolded by the teacher." (Function 7.)

Function 1: Point in time

When に attaches to a time word

に attaches to time words that name a specific clock or calendar point: clock times (3時, 7時半), days of the week (月曜日), months (3月), years (2022年), dated holidays (クリスマス, お正月), and other numerically or institutionally fixed moments.1 13 14 10

The rule fits the fixed-point intuition neatly. A clock time, a calendar date, or a named holiday is a pin on a timeline.8 に does not modify the verb adverbially here; it case-marks the time noun as the anchor of the event.1

The standard N5 verb pairings are 起きる, 寝る, 始まる, 終わる, 会う, and 食べる. The pattern is [time-noun に] [event verb].13 14

きます。10
"I wake up at 7 o'clock."

会議かいぎはじまります。10
"The meeting begins at 3 o'clock."

月曜日げつようび学校がっこうきます。13
"I go to school on Monday."

がつ旅行りょこうするつもりです。11
"I plan to travel in June."

When に does not attach

に does not attach to relative time words whose reference is anchored to the moment of speech: 今日 ("today"), 明日 ("tomorrow"), 昨日 ("yesterday"), 今 ("now"), 毎日 ("every day"), 毎週 ("every week"), 来週 ("next week"), 先月 ("last month"), 今年 ("this year").1 13 14

The split has two buckets.1 An absolute time word names a specific clock or calendar point regardless of when you say it; に attaches (月曜日に, 7時に, 3月に, 2022年に, クリスマスに). A relative time word shifts its reference with the speaker's "now"; it stands bare (今日, 明日, 毎日, 来週).

Makino and Tsutsui explain that relative time words function adverbially on their own. They do not need the case particle to anchor them because the anchor is the speech moment itself.1

The gray-zone time words

A small set of time words sits on the boundary. 朝, 夜, 週末, and 春 can appear either bare or with に, with a subtle meaning shift. Bare あさべた is "in the morning I ate"; あさべた leans toward "specifically in the morning slot" with a contrastive or specifying flavour. Native speakers tend to prefer the bare form in casual speech, while either form can appear in writing.1 11

今日きょう学校がっこうきます。13
"I go to school today."

明日あした友達ともだちいます。14
"I will meet my friend tomorrow."

毎日まいにちきます。10
"I wake up at 7 every day."

あさはやきます。1
"I wake up early in the morning."

The third example is the clean diagnostic: 毎日 takes no particle, while the absolute time 7時 takes に. They appear in the same clause without conflict.

Function 2: Destination of motion

に with motion verbs

With motion verbs, に marks the destination: the arrival point that the motion is directed at and reaches.1 5 13 15 The canonical inventory of motion verbs that license destination-に is 行く ("go"), 来る ("come"), 帰る ("return home"), 着く ("arrive"), 入る ("enter"), 乗る ("board, get on"), and 戻る ("return").1 13 14 10

The pattern is [place or vehicle に] [motion verb]. The destination is the pinned arrival point. The motion completes "at" that point in the speaker's frame.8 9

入る and 乗る take に, not で

入る ("enter") and 乗る ("get on, board") are obligatory に. Using で is ungrammatical: ×部屋へやはいる, ×電車でんしゃる. The verbs themselves include the idea of arrival or attachment, so the place is understood as a destination, not a scene of action.1 8 11

学校がっこうきます。10
"I go to school."

いえかえる。8
"I return home."

部屋へやはいった。1
"I entered the room."

毎朝まいあさ電車でんしゃります。8
"I take the train every morning."

えきいた。10
"I arrived at the station."

に vs. へ for direction

に and both attach to a place noun before a motion verb and are often interchangeable in everyday speech (学校に行く ≈ 学校へ行く).1 8 The distinction is one of construal, or how the speaker frames the event, not basic meaning.

に pins the arrival point. The motion completes at the place, and the fixed point is the destination as a discrete location.1 8 へ marks the direction faced or moved toward. The place is framed as a vector, not a pin. Arrival is implied but not foregrounded.1 8

In speech, に is the unmarked default. へ carries a slightly more formal or written feel.8 On letters and packages, the addressing convention (山田様へ) is fixed to へ; に would be wrong there.1 The convention is so fixed that it is the one place where many learners see へ first.8

The two construals are compatible with the same real-world situation (you do go to school). That is why everyday speech tolerates either form.1 A full に / へ comparison belongs in a dedicated future article. This section establishes only that the contrast exists and that learners need not panic when they encounter both forms.8

日本にほんく。8
"I go to Japan."

日本にほんく。8
"I go to Japan."

山田やまださま1
"To Mr. Yamada."

The first two form the everyday interchangeable pair. The third is the fixed letter-address form, where に would be wrong.

Function 3: Location of existence

に with ある, いる, 住む

With stative existence verbs, に marks the place where something or someone exists or stays.1 13 14 6 The canonical N5 inventory is ある (inanimate existence), いる (animate existence), and 住む ("live, reside"). In early N5 and N4, it extends to 勤める ("work at, be employed by"), 泊まる ("stay overnight"), and 座る ("sit").1 13 14

The pattern is [place に] [stative-existence verb]. The verb describes a state at a point, not an action. The case particle marks that point.16 6 The intuition matches the unifying model: the place is the pin on which the existence sits.8 16

つくえうえほんがあります。13
"There is a book on the desk."

公園こうえん子供こどもがいます。11
"There are children in the park."

東京とうきょうんでいます。11
"I live in Tokyo."

銀行ぎんこうつとめています。1
"I work at a bank."

ホテルにまる。1
"I stay at a hotel."

に vs. で for location

Both に and attach to place nouns, but they describe different relations.1 16 11 に marks where something exists (with ある, いる, 住む) or where motion ends up (with 行く, 着く). The place is a state-anchor or arrival point. で marks where an action takes place; the place is the scene of an event.

Tofugu's framing is that で is "like the lines that demarcate the edges of a volleyball court," while に is "like a pushpin on a map."16 Both are place markers. The difference is whether the verb is stative (に) or eventive, meaning an action or event (で).

The minimal pair every learner needs is short and worth memorising:16 11

図書館としょかんにいます。16
"I am at the library."

図書館としょかん勉強べんきょうします。16
"I study at the library."

Same place, two particles, two different propositions. います is stative existence, so the place is pinned with に. 勉強します is an action, so the place is bounded by で. A full に / で treatment belongs in the dedicated comparison article. This section gives the diagnostic and the canonical pair.

渋谷しぶやんでいる。11
"I live in Shibuya."

渋谷しぶや仕事しごとをする。11
"I work in Shibuya."

The Shibuya pair generalises the diagnostic: 住む is stative (に), する is eventive (で).

Function 4: Indirect object and recipient

Giving, sending, telling

With verbs of transfer (giving, sending, telling, teaching), に marks the recipient: the participant the thing or message is directed at.1 5 13 14 The canonical N5 inventory is あげる ("give to others"), くれる ("give to me or us"), 送る ("send"), 教える ("teach, tell"), 言う ("say, tell"), 見せる ("show"), 書く ("write to"), and 電話する ("phone").1 13 14

The pattern is [agent が / は] [recipient に] [thing を] [transfer verb]. に locks the recipient role onto its noun. を marks the thing transferred. が or marks the giver.1 13 The case-marker logic mirrors the indirect-object slot in many other case-marking languages: the participant who receives the thing gets dative marking.1 5

はははなをあげました。13
"I gave flowers to my mother."

友達ともだちにメールをおくった。13
"I sent an email to my friend."

先生せんせい学生がくせい漢字かんじおしえます。14
"The teacher teaches kanji to the students."

はは電話でんわします。14
"I will phone my mother."

From whom, not just to whom

With a smaller class of verbs, に marks the source the thing is received from, not the destination it is sent to. The canonical N5 and N4 inventory is もらう ("receive"), 習う ("learn from"), 借りる ("borrow"), 聞く ("hear from, ask"), and 教わる ("be taught by").1 17 11

The fixed-point intuition still holds. The source is the pin the transfer starts from in the speaker's construal. Only the verb's direction (toward the speaker) flips. With あげる, you face the recipient. With もらう, you face the giver. The case particle marks the participant the verb is pointed at in both cases.1 8 17

に or から on the source

With もらう, 習う, 借りる, and 聞く, から is also grammatical and is often preferred when the source is impersonal, distant, or formality is foregrounded.17 11 ちちからおかねをもらう and ちちにおかねをもらう are both grammatical. から foregrounds the path ("starting from"), while に foregrounds the giver as a salient participant.17

The grammatical subject of もらう is the receiver; に sits on the source. Bunpro states the rule plainly: unlike あげる and くれる, に (or から) marks the giver, not the recipient.17

友達ともだちにおかねりた。1
"I borrowed money from a friend."

先生せんせい日本語にほんごならっています。11
"I am learning Japanese from a teacher."

友達ともだちあたたかいセーターをもらった。17
"I received a warm sweater from a friend."

ちちからおかねをもらった。17
"I received money from my father."

The last example shows the から alternation on the same role. Both forms work.

Function 5: Purpose of motion (〜に行く)

Verb-stem + に + motion verb

The pattern [verb-stem + に] + [行く / 来る / 帰る] expresses the purpose of motion: going, coming, or returning to do the action named by the verb stem.1 13 14 12 18

The structure is straightforward.12 18 Take the verb's 連用形 (the masu-stem), the form left when 〜ます is removed. Then attach に and a motion verb. べます → べ + に + く → べにく ("go to eat").

The standard N5 inventory of verb-stems used in this slot includes べる → べに, む → みに, る → に, う → いに, う → いに, and あそぶ → あそびに.13 14 12 18

The に here is the same case particle. It pins the purpose of the motion as the goal the motion is directed at.1 8 The verb-stem describes an event, and に pins that event as the journey's target.8

べにく。12
"I go to eat."

映画えいがきました。6
"I went to watch a movie."

みにきませんか。12
"Shall we go for a drink?"

友達ともだちいにく。18
"I go to meet my friend."

The last sentence clearly shows the same particle doing two jobs in one clause: 友達ともだちに is recipient-に on う, while いに is purpose-に on く.

Noun + に + motion verb

The same purpose pattern accepts a noun when that noun names an event or activity. The canonical inventory is suru-nouns (event nouns that pair with する) and a small set of activity nouns: もの ("shopping"), 散歩さんぽ ("walk, stroll"), 旅行りょこう ("travel"), 勉強べんきょう ("study"), 仕事しごと ("work"), and 食事しょくじ ("meal").13 14 12 18

The structure is [event-noun] + に + [行く / 来る / 帰る]. For suru-nouns, noun + に + 行く is the standard way to express "go to do X" without unpacking the noun into a full verb phrase. 旅行りょこうく is preferred over 旅行りょこうをしにく in most contexts.12 18

Purpose-に is not the て-form sequence

The て-form chain ってく expresses a sequence ("buy, then go"), not a purpose ("go for the purpose of buying"). The に-form is the dedicated purpose construction; the て-form is the sequential one.1

ものきます。12
"I go shopping."

散歩さんぽこう。12
"Let's go for a walk."

旅行りょこうきたい。12
"I want to go traveling."

京都きょうと勉強べんきょうく。18
"I am going to Kyoto to study."

The Kyoto sentence shows direction-へ and purpose-に on different nouns in the same clause. That is the textbook diagnostic that the two slots are syntactically distinct.

Function 6: Result of change (state-of-being)

〜になる with nouns and na-adjectives

The pattern [noun or na-adjective + に] + なる expresses change of state: becoming the noun or taking on the property named by the na-adjective.1 13 7 19 The に marks the end-state, the pin the change resolves onto.8 7

The structure depends on the part of speech.7 For nouns, the pattern is noun + に + なる (先生せんせいになる, 大人おとなになる, 病気びょうきになる). For na-adjectives, it is stem + に + なる (しずかになる, 元気げんきになる, きれいになる). For comparison, i-adjectives use the 〜くなる form, not に (さむくなる, たかくなる). That is a different morphology and falls outside the case-particle scope.

なる is a verb of arrival at a state, and に pins the state the change arrives at.8 7 It is the same case particle as on a destination, but with a different argument type: a property or category instead of a place.1

先生せんせいになった。7
"I became a teacher."

おとうとおこっているときはしずかになります。11
"My younger brother becomes quiet when he is angry."

ジェニーは宇宙飛行士うちゅうひこうしになった。8
"Jenny became an astronaut."

元気げんきになってください。7
"Please get well."

The boundary with the continuative-copula 〜に

The boundary between the case particle に (in 静かになる) and the continuative-copula 〜に (in 静かに話す) depends on the verb that follows.3 7 When 〜に is followed by なる or する, the に is the case particle. なる takes the end-state of the change as its case argument. When 〜に is followed by a verb other than なる or する (typically a manner verb like 話す, 歩く, 食べる), the 〜に is the continuative form of the na-adjective copula. It modifies the verb adverbially.3

しずかになる。7
"Become quiet."

しずかにはなす。3
"Speak quietly."

The two phrases look nearly identical, but only the first contains the case particle に. The verb that follows is the diagnostic.

〜にする (deliberate choice)

The pattern [noun or na-adjective + に] + する is the agentive counterpart of 〜になる. It means making something become the end-state, choosing the end-state, or selecting an option.1 7 19

The semantic split is clean.7 19 〜になる describes something becoming X on its own (intransitive change): 部屋へやがきれいになる ("the room becomes clean"). 〜にする describes an agent making something become X (transitive change): 部屋へやをきれいにする ("[I] make the room clean").

The choice-of-options use is the high-frequency N5 pattern. At a restaurant, なににしますか asks the customer to pin the order on a menu item; コーヒーにします pins the choice.19 11 It is the same case particle as in 〜になる. Only the verb, and therefore the argument structure, differs.1 19

部屋へやをきれいにします。7
"I will make the room clean."

なににしますか。19
"What will you have?"

コーヒーにします。19
"I'll have coffee."

子供こども医者いしゃにした。1
"I made my child a doctor."

Function 7: Passive agent

The doer in a passive sentence

In a passive sentence formed with the auxiliary 〜られる or 〜れる, に marks the agent ("by X").1 5 20 15 11 The pattern is [patient が / は] [agent に] [verb-PASS].

The unifying intuition holds. The passive verb's action lands "at" the agent's feet in the speaker's construal; に pins the doer in the construction.1 8 The passive auxiliary licenses the agent role. That means it is not syntactically the same slot as the dative recipient on a non-passive verb, but it is the same case particle.5 20 Shibatani's analysis treats this as one case marker covering the dative, locative, and agent-of-passive cluster, with the licensing differing by verb class.5

によって is the formal written variant

In writing and formal speech, the agent can also be marked by the compound particle によって ("by, by means of"), especially in technical prose: この小説しょうせつ漱石そうせきによってかれた ("this novel was written by Soseki"). によって is a separate compound particle, treated separately in reference grammars, and is more prominent at N3 and above. For N5, the bare に on the agent is the form to learn.1 4

先生せんせいしかられた。11
"I was scolded by the teacher."

おとうとにケーキをべられた。1
"My cake was eaten by my younger brother."

先生せんせいめられた。11
"I was praised by the teacher."

された。1
"I was bitten by a mosquito."

キャメロンはジェニーにそのレストランをすすめられた。8
"Cameron was recommended that restaurant by Jenny."

Good to know

Why one particle does so much

The synchronic unity of に, its unity in modern Japanese, is not a coincidence. It is the residue of a diachronic spread, or historical spread over time, from an Old Japanese locative case marker.2 In Old Japanese, に primarily marked location ("at, in") and anchored noun phrases to a place.

Frellesvig's historical account is that に extended from its locative base to mark the destination of motion (allative), the recipient of transfer (dative), the point in time (temporal locative), the agent of passive (a cross-linguistically common extension of the dative), and the end-state of change (a metaphorical "location" the change arrives at).2 Modern reference grammars list these as distinct entries because they have distinct syntactic licensings. The historical core is one particle.1 2

Traditional Japanese grammarians grouped many of these uses under 連用格 (continuative case). This reflects the same intuition: に marks a noun phrase that the verb is anchored against.3 For learners, the fixed-point intuition is not a memory aid layered on top of unrelated facts. It is the grammatical core those facts grew out of.2 8

The mnemonic: pin it here

A single mnemonic gesture covers every case-particle use of に for N5 readers. The gesture stays the same; only what gets pinned changes.8 7

Pin a time (7時に). Pin a destination (学校に). Pin a recipient (友達に). Pin a location of existence (東京に). Pin a purpose of going (食べに). Pin an end-state of change (先生に). Pin an agent of a passive (先生に叱られた). Tofugu's framing is that に is "a pin on a map. It shows where you are, where you are headed, or where you were before."8 The mnemonic generalises cleanly to the temporal and abstract uses of に. That is the test of a good mnemonic for a multi-function particle.8

Compound particles that begin with に

A family of compound particles begins with に: について ("about, regarding"), に対して ("toward, in contrast with"), によって ("by, by means of"), に関して ("concerning"), and に対する ("toward, against"). について is the high-frequency one at N5 and N4.1 4

These are multi-morpheme grammatical units, meaning units built from several meaningful parts, and reference grammars list them as separate headwords. The に inside them is historically the case particle, but in modern Japanese the compound is the unit to analyze.1 4 The case particle に never appears inside a word stem in modern Japanese. When に shows up as part of a fixed multi-word grammatical phrase, the reader is parsing the compound.

このほんについてはなします。4
"I will talk about this book."

Using に with a relative time word

Relative time words (今日, 明日, 毎日, 来週) reject the case particle. The common error is to attach に by analogy with absolute time words. The wrong form is ×今日きょう学校がっこうきます.

今日きょう学校がっこうきます。13
"I go to school today."

The reason is that 今日, 明日, 毎日, and 来週 are anchored to the speech moment. They function adverbially on their own and do not need the case particle to position them. The rule is the absolute / relative split: 7時に, 月曜日に, and 3月に take に. 今日, 明日, and 毎日 do not.1

Using で where に belongs with ある, いる, 住む

ある, いる, and 住む are stative existence verbs. They describe a state at a point, not an action. The case particle for that state is に, not で. The wrong form is ×図書館としょかんほんがあります.

図書館としょかんほんがあります。16
"There is a book in the library."

で is reserved for the place of an action (図書館としょかん勉強べんきょうします "I study at the library"). English often uses one preposition ("at") for both types of place, and that habit produces this error.16

Using に where へ is the addressing convention

The addressing convention on letters, packages, and gift tags is fixed: use へ. In a regular motion-verb sentence (山田やまださんに手紙てがみした "I sent a letter to Mr. Yamada"), に is the right particle for the recipient role. But the address line on the envelope itself takes へ. The wrong form on an envelope is ×山田やまださまに.

山田やまださま1
"To Mr. Yamada."

The convention is so consistent that this is one place where learners reliably see へ before に.8

Dropping に with もらう, 習う, 借りる

もらう and its source-marking siblings (習う, 借りる, 聞く) require the source argument to carry a case marker. に or から works. The bare noun is ungrammatical because the source role would be unmarked. The wrong form is ×友達ともだちかねをもらった.

友達ともだちにおかねをもらった。17
"I received money from a friend."

The English-trained instinct to drop "from" before a known person is what produces this error. The case marker has to be there in Japanese, either に or から.1 17

See also

References

Footnotes

  1. Makino, Seiichi, and Michio Tsutsui. A Dictionary of Basic Japanese Grammar. The Japan Times, 1986. ISBN 978-4-7890-0454-1. Entries: "ni¹" (location of existence), "ni²" (indirect object / recipient), "ni³" (point in time), "ni⁴" (agent in passive), "ni⁵" (purpose with motion verb), and "ni⁶" (result of change). 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

  2. Frellesvig, Bjarke. A History of the Japanese Language. Cambridge University Press, 2010. ISBN 978-0-521-65320-6. Treatment of Old Japanese case particles, the locative-dative function of に, and the spread of に into adverbial and result-of-change uses. 2 3 4 5 6 7

  3. 庵功雄 (Iori, Isao). 『新しい日本語学入門』(Atarashii Nihongogaku Nyūmon), 2nd ed. スリーエーネットワーク (3A Network), 2012. ISBN 978-4-88319-606-5. Chapters on 格助詞 (case particles); treatment of に as a multi-function case particle and the boundary with the continuative-form adverbial 〜に. 2 3 4 5 6 7 8 9 10

  4. Wikipedia contributors. "Japanese particles." Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/wiki/Japanese_particles (limitation: encyclopedic reference; used only for the standard taxonomic label 格助詞 / kakujoshi and the case-particle inventory.) 2 3 4 5 6

  5. Shibatani, Masayoshi. The Languages of Japan. Cambridge University Press, 1990. ISBN 978-0-521-36918-3. Chapters on case-marking and the dative / locative / allative functions unified by に; treatment of the passive construction and the にagent. 2 3 4 5 6 7

  6. Wikipedia contributors. "Japanese grammar." Wikipedia, The Free Encyclopedia. https://en.wikipedia.org/wiki/Japanese_grammar (limitation: encyclopedic reference; used only for the locative-dative classification of に and the inclusion of 〜になる / 〜にする in the standard case-particle inventory.) 2 3 4 5

  7. Bunpro. "~になる・~くなる (JLPT N5 Grammar Point)." https://bunpro.jp/grammar_points/%E3%81%AB%E3%81%AA%E3%82%8B-%E3%81%8F%E3%81%AA%E3%82%8B (limitation: language-learning publisher; used for the 〜になる / 〜にする contrast and verified beginner example forms.) 2 3 4 5 6 7 8 9 10 11 12 13

  8. Tofugu. "Particle に: For Pin Pointing Locations." https://www.tofugu.com/japanese-grammar/particle-ni/ (limitation: language-learning publisher; used for pedagogical example sentences and the "pin on a map" unifying metaphor.) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

  9. Wasabi. "Objects of Japanese Verbs with Particles: を, に, and と." https://wasabi-jpn.com/magazine/japanese-grammar/objects-of-japanese-verbs-with-particles-o-ni-and-to/ (limitation: language-learning publisher; used for the "feet move toward" gloss on destination-に and the contrast with path-を.) 2

  10. Bunpro. "に (JLPT N5 Grammar Point)." https://bunpro.jp/grammar_points/%E3%81%AB (limitation: language-learning publisher; used for JLPT-level confirmation and verified beginner example forms.) 2 3 4 5 6 7 8 9 10

  11. Coto Japanese Academy. "Particle に: All You Need to Know." https://cotoacademy.com/ni-particle-japanese/ (limitation: language-learning publisher; used for verified beginner example sentences across time, destination, existence, recipient, purpose, passive, and 〜になる uses.) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

  12. Bunpro. "Verb + にいく (JLPT N5 Grammar Point)." https://bunpro.jp/grammar_points/verb-%E3%81%AB%E3%81%84%E3%81%8F (limitation: language-learning publisher; used for the 〜に行く purpose pattern, verb-stem + に + 行く structure, and verified beginner example forms.) 2 3 4 5 6 7 8 9 10 11

  13. Banno, Eri, Yoko Ikeda, Yutaka Ohno, Chikako Shinagawa, and Kyoko Tokashiki. Genki I: An Integrated Course in Elementary Japanese, 3rd ed. The Japan Times, 2020. ISBN 978-4-7890-1730-5. Chapter 3 introduces に for time and destination; chapter 4 introduces に for location of existence with あります / います; chapter 5 introduces 〜に行く / 来る / 帰る; chapter 9 introduces 〜になる. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

  14. スリーエーネットワーク (3A Network). 『みんなの日本語 初級I 本冊』(Minna no Nihongo Shokyū I), 2nd ed. 3A Network, 2012. ISBN 978-4-88319-603-4. Lessons 3–13 introduce に for time, destination, indirect object, location of existence, and purpose of motion; lesson 19 introduces 〜になる. 2 3 4 5 6 7 8 9 10 11 12 13 14

  15. JLPTsensei. "JLPT N5 Grammar: に (ni) Destination Particle Meaning." https://jlptsensei.com/learn-japanese-grammar/%E3%81%AB-ni-destination-particle-meaning/ (limitation: language-learning publisher; used for JLPT-level confirmation and verified N5 example sentences.) 2

  16. Tofugu. "Particle で: Where Actions Happen." https://www.tofugu.com/japanese-grammar/particle-de/ (limitation: language-learning publisher; used for the volleyball-court / pushpin contrast between で and に for location.) 2 3 4 5 6 7 8 9

  17. Bunpro. "もらう (JLPT N5 Grammar Point)." https://bunpro.jp/grammar_points/%E3%82%82%E3%82%89%E3%81%86 (limitation: language-learning publisher; used for the source-of-motion-into-recipient construction and the に / から alternation on the giver.) 2 3 4 5 6 7 8 9

  18. JLPTsensei. "JLPT N5 Grammar: に行く (ni iku) Meaning." https://jlptsensei.com/learn-japanese-grammar/%E3%81%97%E3%81%AB%E3%81%84%E3%81%8F-ni-iku-meaning/ (limitation: language-learning publisher; used for the verb-stem + に + 行く and noun + に + 行く patterns.) 2 3 4 5 6 7

  19. Tofugu. "なる: To Become." https://www.tofugu.com/japanese-grammar/naru/ (limitation: language-learning publisher; used for the なる / する contrast and the noun + に + なる pattern.) 2 3 4 5 6 7

  20. Kuno, Susumu. The Structure of the Japanese Language. MIT Press, 1973. ISBN 978-0-262-11049-5. Chapters on the case particles and the direct vs indirect passive; the にagent and its semantic restrictions. 2