Conjugation

投資する

とうしするtōshi suru

invest

Irregular verb, group 3, noun + する.

Conjugated like する, 勉強する, 注文する, 手加減する, 抑制する, 拒否する

  • Like する

    投資する conjugates like する: only する changes, and its potential is 投資できる.

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投資しますとうししますtōshi shimasu
    2. negative投資しませんとうししませんtōshi shimasen

  2. Polite past · -mashita

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

    1. affirmative投資しましたとうししましたtōshi shimashita
    2. negative投資しませんでしたとうししませんでしたtōshi shimasen deshita

  3. Te-form

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

    1. 投資してとうししてtōshi shite
    2. request投資してくださいとうししてくださいtōshi shite kudasai

  4. Let’s · -mashō

    To suggest doing something together: let’s…

    1. 投資しましょうとうししましょうtōshi shimashō

  5. Wanting to · -tai

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

    1. affirmative投資したいとうししたいtōshi shitai
    2. negative投資したくないとうししたくないtōshi shitakunai
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投資するとうしするtōshi suru
    2. negative投資しないとうししないtōshi shinai

  2. Plain past · -ta

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

    1. affirmative投資したとうししたtōshi shita
    2. negative投資しなかったとうししなかったtōshi shinakatta

  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投資しているとうししているtōshi shite iru
    2. polite投資していますとうししていますtōshi shite imasu

  4. Potential

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

    1. plain投資できるとうしできるtōshi dekiru
    2. polite投資できますとうしできますtōshi dekimasu

  5. If, when · -tara

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

    1. 投資したらとうししたらtōshi shitara

  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投資されるとうしされるtōshi sareru
    2. polite投資されますとうしされますtōshi saremasu
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. 投資しようとうししようtōshi shiyō

  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投資しろとうししろtōshi shiro
    2. ban投資するなとうしするなtōshi suru 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投資すればとうしすればtōshi sureba
    2. negative投資しなければとうししなければtōshi shinakereba

  4. Causative

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

    1. plain投資させるとうしさせるtōshi saseru
    2. polite投資させますとうしさせますtōshi sasemasu

  5. Causative passive

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

    1. plain投資させられるとうしさせられるtōshi saserareru
    2. polite投資させられますとうしさせられますtōshi saseraremasu