買う

かうkau

buy

Godan verb, group 1, ending -u.

Conjugated like 言う, 思う, 使う, しまう, 行う, もらう

Newbie

The polite forms to talk about now, the future, and the past, and the te-form of requests.

  1. Polite present · -masu

    What you do, usually or soon, said politely. Japanese has one form for the present and the future.

    1. affirmative買いますかいますkaimasu
    2. negative買いませんかいませんkaimasen

  2. Polite past · -mashita

    What you did, or did not do, said politely.

    1. affirmative買いましたかいましたkaimashita
    2. negative買いませんでしたかいませんでしたkaimasen deshita

  3. Te-form

    Links actions (and then…), and with ください asks politely.

    1. 買ってかってkatte
    2. request買ってくださいかってくださいkatte kudasai

  4. Let’s · -mashō

    To suggest doing something together: let’s…

    1. 買いましょうかいましょうkaimashō

  5. Wanting to · -tai

    What you want to do. Add です to be polite.

    1. affirmative買いたいかいたいkaitai
    2. negative買いたくないかいたくないkaitakunai
BeginnerThe plain forms of everyday speech, what is going on, what you can do, conditions, and the passive.Plain present · dictionary form · Plain past · -ta · Ongoing · -te iru · Potential · If, when · -tara · PassiveAlso show the Beginner forms (6)

  1. Plain present · dictionary form

    Between friends and family, and before a noun or many phrases. It also says the future.

    1. affirmative買うかうkau
    2. negative買わないかわないkawanai

  2. Plain past · -ta

    The past between friends and family, and before a noun.

    1. affirmative買ったかったkatta
    2. negative買わなかったかわなかったkawanakatta

  3. Ongoing · -te iru

    What is going on now, a habit, or a state that lasts: 結婚している, to be married.

    1. plain買っているかっているkatte iru
    2. polite買っていますかっていますkatte imasu

  4. Potential

    What you can do. Its object often takes が: 日本語が話せる.

    1. plain買えるかえるkaeru
    2. polite買えますかえますkaemasu

  5. If, when · -tara

    If or once something happens, and what you found when it did.

    1. 買ったらかったらkattara

  6. Passive

    What is done to someone, often to their regret: に marks who does it. It is also a respectful way to speak of others.

    1. plain買われるかわれるkawareru
    2. polite買われますかわれますkawaremasu
IntermediateIntentions, orders, conditions, making someone do something, and the verbs of respect and modesty.Volitional · -ō, -yō · Command · Condition · -ba · Causative · Causative passiveAlso show the Intermediate forms (5)

  1. Volitional · -ō, -yō

    Let’s, between friends; with と思う, what you intend to do.

    1. 買おうかおうkaō

  2. Command

    A blunt order or ban (〜な), heard in sports, on signs, and between men. Politely, say 〜てください.

    1. order買えかえkae
    2. ban買うなかうなkau na

  3. Condition · -ba

    If…: the condition for what follows. In the negative, it also says what you must do: 〜なければならない.

    1. affirmative買えばかえばkaeba
    2. negative買わなければかわなければkawanakereba

  4. Causative

    Making or letting someone do something: に or を marks who does it.

    1. plain買わせるかわせるkawaseru
    2. polite買わせますかわせますkawasemasu

  5. Causative passive

    Being made to do something you did not want to. In speech, godan verbs often shorten -aserareru to -asareru.

    1. plain買わせられるかわせられるkawaserareru
    2. polite買わせられますかわせられますkawaseraremasu