警告する

けいこくするkeikoku suru

warn

Irregular verb, group 3, noun + する.

Conjugated like する, 勉強する, 注文する, 調達する, 警備する, 警戒する

  • Like する

    警告する conjugates like する: only する changes, and its potential is 警告できる.

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警告しますけいこくしますkeikoku shimasu
    2. negative警告しませんけいこくしませんkeikoku shimasen

  2. Polite past · -mashita

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

    1. affirmative警告しましたけいこくしましたkeikoku shimashita
    2. negative警告しませんでしたけいこくしませんでしたkeikoku shimasen deshita

  3. Te-form

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

    1. 警告してけいこくしてkeikoku shite
    2. request警告してくださいけいこくしてくださいkeikoku shite kudasai

  4. Let’s · -mashō

    To suggest doing something together: let’s…

    1. 警告しましょうけいこくしましょうkeikoku shimashō

  5. Wanting to · -tai

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

    1. affirmative警告したいけいこくしたいkeikoku shitai
    2. negative警告したくないけいこくしたくないkeikoku 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警告するけいこくするkeikoku suru
    2. negative警告しないけいこくしないkeikoku shinai

  2. Plain past · -ta

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

    1. affirmative警告したけいこくしたkeikoku shita
    2. negative警告しなかったけいこくしなかったkeikoku 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警告しているけいこくしているkeikoku shite iru
    2. polite警告していますけいこくしていますkeikoku shite imasu

  4. Potential

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

    1. plain警告できるけいこくできるkeikoku dekiru
    2. polite警告できますけいこくできますkeikoku dekimasu

  5. If, when · -tara

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

    1. 警告したらけいこくしたらkeikoku 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警告されるけいこくされるkeikoku sareru
    2. polite警告されますけいこくされますkeikoku 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. 警告しようけいこくしようkeikoku 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警告しろけいこくしろkeikoku shiro
    2. ban警告するなけいこくするなkeikoku 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警告すればけいこくすればkeikoku sureba
    2. negative警告しなければけいこくしなければkeikoku shinakereba

  4. Causative

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

    1. plain警告させるけいこくさせるkeikoku saseru
    2. polite警告させますけいこくさせますkeikoku 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警告させられるけいこくさせられるkeikoku saserareru
    2. polite警告させられますけいこくさせられますkeikoku saseraremasu