Japanese Grammer

The auxiliary verb ～てしまう(～te shimau) attaches to the te-form of a verb and has two main functions: 1. Completion / Finish doing something It emphasizes that an action has been completed, often with a sense of finality. ・食べてしまいました。(Tabete shimai mashita.) （ I (completely) finished eating.） ・ 宿題をしてしまった。(Shukudai wo shite shimatta.) （ I finished my homework (all of it).） Here, しまう is neutral or even positive, showing that something is done thoroughly. 2. Regret / Unintended action It expresses that something happened by accident, against one’s will, or with regret. ・財布を忘れてしまった。(Saihu wo wasurete shimatta.) (I (unfortunately) forgot my wallet.) ・彼に秘密を話してしまいました。(Kare ni himitsu wo hanashite shmai mashita.) (I ended up telling him the secret (though I didn’t want to).) So, the nuance depends on context: If neutral: completion. If negative: regret / mistake. Spoken Contractions In casual speech, ～てしまう often gets shortened: ～てしまう(～te shimau) → ～ちゃう（～chau） ～でしまう（～de sh...

     Japanese classifiers (also called counters) are a unique feature of the language. They are words that you must use when counting or quantifying nouns. Unlike English, where you can just say “three books” or “five people,” in Japanese you need to insert the right classifier between the number and the noun. In Japanese: ・You don’t just say "三りんご" for “three apples.” ・Instead, you need a classifier (counter) : りんご三個 (ringo san-ko ) 　 “three apples.” Each classifier is chosen based on the type, shape, or nature of the item being counted. ◆Common Japanese Classifiers 1. つ (tsu) General-purpose counter (used for many objects if you don’t know the proper one). Used with native Japanese numbers (ひとつ, ふたつ, みっつ, etc. up to ten). Example: ・りんごを　 三つ　 食べました。(Ringo wo mittsu tabemashita.) (I ate three apples.) ・ 五つ の　シュークリームが　テーブルの上に　あります。( Itsutsu no shūkurīmu ga tēburu no ue ni  arimasu.) (There are five cream puffs on the table.) 一つ(1)　ひとつ　　hitotsu 二つ(2)　ふたつ　　hutats...

  1. Basic Functions が (ga) Marks the subject of the sentence (who/what is doing the action or in focus). Used when introducing new information or when the subject itself is the focus. Often answers the question “Who/What … ?” Example 1: X: だれ が 　来ましたか。(Dare ga kimashita ka?) ( Who came? ) Y: 田中さん が 　来ました。(Tanaka-san ga kimashita.) ( Tanaka came. )  Example 2 : ・テーブルの上に　猫 が います。(Tēburu no ue ni neko ga imasu.) (There is a cat on the table.) ★★★Subject is focused, new information は (wa) Marks the topic of the sentence (what the sentence is “about”). Often contrasts, emphasizes, or gives known/background information. Often states general facts or habits in a general way. Answers the question “As for … ?” / “What about … ?”  Example1: 田中さん は 　来ました。(Tanaka-san wa kimashita.) ( As for Tanaka, he came.)   【Tanaka is the topic, maybe in contrast to others.】 Example 2: 猫 は 　好きです。(Neko wa suki desu.) ( As for cats, I like them. ) 【Cats ...

に(ni) and で(de) are used when they mark places in Japanese. But there are some differences between these. 1. に(ni) as a place marker に(ni) marks the existence or destination of someone/something. It answers the question “Where is something/someone?” or “Where does someone/something go/arrive?” Example: ・猫が いすの上 に いる。(Neko ga isu no ue ni iru.)【Exsistance】 (The cat is on the chair. ) ・机の上 に ペンが ある。(Tsukue no ue ni pen ga aru.)【Exsistance】 (There is a pen on the desk.) ・学校 に 行きます。(Gakkō ni ikimasu.)【Destination】 (I go to school.) ・ちょうど 駅 に 着きました。(Choudo eki ni tsukimashita.)【Destination】 (I jusu arrived at the station.) So, に is used when: ●Something exists somewhere (いる / ある). ●Someone arrives or moves toward a place. 2. で as a place marker で marks the location of an action (where something is done) . It answers the question “Where does an action take place?” Examples: ・学校 で 勉強します。(Gakkou de benkyou shimasu.)【Action happens here】 (I study at school. ) ・レストラン で ピザを食べました。(Resut...

  1. What is 受け身（うけみ） (Passive voice)? The passive form in Japanese is used when the subject of the sentence receives an action, rather than performing it. It’s similar to the English passive voice (“The book was read by me”). 2. How to form P assive  (1) U-verbs (Godan-verbs) Change the final u → a row + れる(reru) Example: 書く(kaku) → 書かれる(kakareru) (to be written) 読む(yomu) → 読まれる(yomareru) (to be read) (2) Ru-verbs (Ichidan-verbs) Drop る(ru) , add られる(rareru) Example: 食べる(taberu) → 食べられる(taberareru) (to be eaten) 見る(miru) → 見られる(mirareru) (to be seen) (3) Irregular verbs する(suru) → される(sareru) 来る(kuru)→ 来られる(korareru) 2. Types of Passive in Japanese Japanese has 2  main uses of passive : (A) Direct Passive Definition The subject of the sentence is directly affected by the action .  Structure :  X が Y に Verb-れる   (X = person affected, Y = actor) Examples 私は 先生に ほめられた。(Watashi wa sensei ni homerareta.) (I was praised by the teacher.)   ...

  How to Make the Te-form (〜テ形)（～テけい） The te-form changes depending on the verb group . 1. U-verbs (Godan verbs) U-verbs have several sound change rules based on the final syllable. Rules: Verbs ending in -u, -tsu, -ru → って(tte) Example: 会う ( au , to meet) → 会って ( atte ) Example: 待つ ( matsu , to wait) → 待って ( matte ) Example: 取る ( toru , to take) → 取って ( totte ) Verbs ending in -mu, -bu, -nu → んで(nde) Example: 飲む ( nomu , to drink) → 飲んで ( nonde ) Example: 遊ぶ ( asobu , to play) → 遊んで ( asonde ) Example: 死ぬ ( shinu , to die) → 死んで ( shinde ) Verbs ending in -ku → いて(ite) Example: 書く ( kaku , to write) → 書いて ( kaite ) ⚠️ Exception: 行く ( iku , to go) → 行って ( itte ) Verbs ending in -gu → いで(ide) Example: 泳ぐ ( oyogu , to swim) → 泳いで ( oyoide ) Verbs ending in -su → して(shite) Example: 話す ( hanasu , to speak) → 話して ( hanashite ) 2. Ru-verbs (Ichidan verbs) Very simple rule: Drop -ru, add -て(te) Example: 食べる ( taberu , to eat) →...