Japanese reference
成功する
せいこうする
to succeed
Irregular · 32 form tables
Rows describe verb forms and levels of politeness. Honorific and humble forms are labeled separately. Strong commands appear under additional forms.
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Basic
Non past
| Person, form or usage | Form and meaning |
|---|---|
| Dictionary form | せいこうする (seikousuru)succeed |
| Polite, masu | せいこうします (seikoushimasu)succeed |
Negative
| Person, form or usage | Form and meaning |
|---|---|
| Negative, nai | せいこうしない (seikoushinai)do not succeed |
| Polite negative | せいこうしません (seikoushimasen)do not succeed |
Past
| Person, form or usage | Form and meaning |
|---|---|
| Past, ta | せいこうした (seikoushita)succeeded |
| Polite past | せいこうしました (seikoushimashita)succeeded |
Past negative
| Person, form or usage | Form and meaning |
|---|---|
| Past negative | せいこうしなかった (seikoushinakatta)did not succeed |
| Polite past negative | せいこうしませんでした (seikoushimasendeshita)did not succeed |
Linking
Te form
| Person, form or usage | Form and meaning |
|---|---|
| Te-form | せいこうして (seikoushite)succeeding (and then) |
| Polite te-form | せいこうしまして (seikoushimashite)succeeding (and then) |
Te iru
| Person, form or usage | Form and meaning |
|---|---|
| Te-iru: ongoing action / resulting state | せいこうしている (seikoushiteiru)be succeeding |
| Polite te-iru | せいこうしています (seikoushiteimasu)be succeeding |
Conditional, ba
| Person, form or usage | Form and meaning |
|---|---|
| Conditional, ba | せいこうすれば (seikousureba)if you succeed |
| Rare literary polite conditional | せいこうしますれば (seikoushimasureba)if you succeed (rare and literary). In ordinary polite conversation, use the plain conditional and make the main clause polite |
Conditional, tara
| Person, form or usage | Form and meaning |
|---|---|
| Conditional, tara | せいこうしたら (seikoushitara)if you succeed |
| Polite conditional, tara | せいこうしましたら (seikoushimashitara)if you succeed |
Mood
Potential
| Person, form or usage | Form and meaning |
|---|---|
| Potential | せいこうできる (seikoudekiru)can succeed |
| Polite potential | せいこうできます (seikoudekimasu)can succeed |
Volitional
| Person, form or usage | Form and meaning |
|---|---|
| Volitional | せいこうしよう (seikoushiyou)let's succeed! |
| Polite volitional | せいこうしましょう (seikoushimashou)let's succeed! |
Desire, tai
| Person, form or usage | Form and meaning |
|---|---|
| Desire, tai | せいこうしたい (seikoushitai)want to succeed |
| Polite desire, tai | せいこうしたいです (seikoushitaidesu)want to succeed |
Voice
Passive
| Person, form or usage | Form and meaning |
|---|---|
| Passive | せいこうされる (seikousareru)be affected when someone succeeds |
| Polite passive | せいこうされます (seikousaremasu)be affected when someone succeeds |
Causative
| Person, form or usage | Form and meaning |
|---|---|
| Causative | せいこうさせる (seikousaseru)make or let someone succeed |
| Polite causative | せいこうさせます (seikousasemasu)make or let someone succeed |
Causative passive
| Person, form or usage | Form and meaning |
|---|---|
| Causative-passive | せいこうさせられる (seikousaserareru)be made to succeed |
| Polite causative-passive | せいこうさせられます (seikousaseraremasu)be made to succeed |
Commands
Negative imperative
| Person, form or usage | Form and meaning |
|---|---|
| Negative imperative | せいこうするな (seikousuruna)do not succeed! |
| Polite negative request | せいこうしないでください (seikoushinaidekudasai)please do not succeed |
Polite
Polite non past
| Person, form or usage | Form and meaning |
|---|---|
| Polite non-past form | せいこうします (seikoushimasu)succeed |
Polite negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite negative form | せいこうしません (seikoushimasen)do not succeed |
Polite past
| Person, form or usage | Form and meaning |
|---|---|
| Polite past form | せいこうしました (seikoushimashita)succeeded |
Polite past negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite past negative form | せいこうしませんでした (seikoushimasendeshita)did not succeed |
Requests
Request with kudasai
| Person, form or usage | Form and meaning |
|---|---|
| Request with kudasai | せいこうしてください (seikoushitekudasai)please succeed |
Negative request
| Person, form or usage | Form and meaning |
|---|---|
| Request not to act | せいこうしないでください (seikoushinaidekudasai)please do not succeed |
Invitation with mashou
| Person, form or usage | Form and meaning |
|---|---|
| Invitation with mashou | せいこうしましょう (seikoushimashou)let's succeed! |
Permission
| Person, form or usage | Form and meaning |
|---|---|
| Permission | せいこうしてもいい (seikoushitemoii)may succeed |
| Polite permission | せいこうしてもいいです (seikoushitemoiidesu)may succeed |
Not allowed
| Person, form or usage | Form and meaning |
|---|---|
| Not allowed | せいこうしてはいけない (seikoushitehaikenai)must not succeed |
| Polite prohibition | せいこうしてはいけません (seikoushitehaikemasen)must not succeed |
Instruction with nasai
| Person, form or usage | Form and meaning |
|---|---|
| Instruction with nasai | せいこうしなさい (seikoushinasai)succeed (instruction) |
Aspect
Try doing
| Person, form or usage | Form and meaning |
|---|---|
| Try doing | せいこうしてみる (seikoushitemiru)try to succeed |
| Polite try doing | せいこうしてみます (seikoushitemimasu)try to succeed |
Completion or regret
| Person, form or usage | Form and meaning |
|---|---|
| Completion or regret | せいこうしてしまう (seikoushiteshimau)succeed completely or regrettably |
| Polite completion or regret | せいこうしてしまいます (seikoushiteshimaimasu)succeed completely or regrettably |
Preparation
| Person, form or usage | Form and meaning |
|---|---|
| Preparation | せいこうしておく (seikoushiteoku)succeed in advance |
| Polite preparation | せいこうしておきます (seikoushiteokimasu)succeed in advance |
Past experience
| Person, form or usage | Form and meaning |
|---|---|
| Past experience | せいこうしたことがある (seikoushitakotogaaru)have the experience of: succeeded |
| Polite past experience | せいこうしたことがあります (seikoushitakotogaarimasu)have the experience of: succeeded |
Conditions
Automatic result, to
| Person, form or usage | Form and meaning |
|---|---|
| Automatic result, to | せいこうすると (seikousuruto)whenever you succeed |
| Polite automatic result | せいこうしますと (seikoushimasuto)whenever you succeed |
Given that, nara
| Person, form or usage | Form and meaning |
|---|---|
| Given that, nara | せいこうするなら (seikousurunara)if you mean to succeed |
Probability
| Person, form or usage | Form and meaning |
|---|---|
| Probability | せいこうするだろう (seikousurudarou)probably succeed |
| Polite probability | せいこうするでしょう (seikousurudeshou)probably succeed |
Additional forms
Strong command
| Person, form or usage | Form and meaning |
|---|---|
| Imperative | せいこうしろ (seikoushiro)succeed! |
| Polite request | せいこうしてください (seikoushitekudasai)please succeed |
Forms from the Loquus reference. Only supplied forms are shown. Browse all Japanese entries.