貢献する

こうけんするkōken suru

contribute

Irregular verb, group 3, noun + する.

Conjugated like する, 勉強する, 注文する, 警戒する, 負担する, 貯金する

  • Like する

    貢献する conjugates like する: only する changes, and its potential is 貢献できる.

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貢献しますこうけんしますkōken shimasu
    2. negative貢献しませんこうけんしませんkōken shimasen

  2. Polite past · -mashita

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

    1. affirmative貢献しましたこうけんしましたkōken shimashita
    2. negative貢献しませんでしたこうけんしませんでしたkōken shimasen deshita

  3. Te-form

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

    1. 貢献してこうけんしてkōken shite
    2. request貢献してくださいこうけんしてくださいkōken shite kudasai

  4. Let’s · -mashō

    To suggest doing something together: let’s…

    1. 貢献しましょうこうけんしましょうkōken shimashō

  5. Wanting to · -tai

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

    1. affirmative貢献したいこうけんしたいkōken shitai
    2. negative貢献したくないこうけんしたくないkōken 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貢献するこうけんするkōken suru
    2. negative貢献しないこうけんしないkōken shinai

  2. Plain past · -ta

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

    1. affirmative貢献したこうけんしたkōken shita
    2. negative貢献しなかったこうけんしなかったkōken 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貢献しているこうけんしているkōken shite iru
    2. polite貢献していますこうけんしていますkōken shite imasu

  4. Potential

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

    1. plain貢献できるこうけんできるkōken dekiru
    2. polite貢献できますこうけんできますkōken dekimasu

  5. If, when · -tara

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

    1. 貢献したらこうけんしたらkōken 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貢献されるこうけんされるkōken sareru
    2. polite貢献されますこうけんされますkōken 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. 貢献しようこうけんしようkōken 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貢献しろこうけんしろkōken shiro
    2. ban貢献するなこうけんするなkōken 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貢献すればこうけんすればkōken sureba
    2. negative貢献しなければこうけんしなければkōken shinakereba

  4. Causative

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

    1. plain貢献させるこうけんさせるkōken saseru
    2. polite貢献させますこうけんさせますkōken 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貢献させられるこうけんさせられるkōken saserareru
    2. polite貢献させられますこうけんさせられますkōken saseraremasu