Japanese reference
失敗する
しっぱいする
to fail, make a mistake
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 | しっぱいする (shippaisuru)fail |
| Polite, masu | しっぱいします (shippaishimasu)fail |
Negative
| Person, form or usage | Form and meaning |
|---|---|
| Negative, nai | しっぱいしない (shippaishinai)do not fail |
| Polite negative | しっぱいしません (shippaishimasen)do not fail |
Past
| Person, form or usage | Form and meaning |
|---|---|
| Past, ta | しっぱいした (shippaishita)failed |
| Polite past | しっぱいしました (shippaishimashita)failed |
Past negative
| Person, form or usage | Form and meaning |
|---|---|
| Past negative | しっぱいしなかった (shippaishinakatta)did not fail |
| Polite past negative | しっぱいしませんでした (shippaishimasendeshita)did not fail |
Linking
Te form
| Person, form or usage | Form and meaning |
|---|---|
| Te-form | しっぱいして (shippaishite)failing (and then) |
| Polite te-form | しっぱいしまして (shippaishimashite)failing (and then) |
Te iru
| Person, form or usage | Form and meaning |
|---|---|
| Te-iru: ongoing action / resulting state | しっぱいしている (shippaishiteiru)be failing |
| Polite te-iru | しっぱいしています (shippaishiteimasu)be failing |
Conditional, ba
| Person, form or usage | Form and meaning |
|---|---|
| Conditional, ba | しっぱいすれば (shippaisureba)if you fail |
| Rare literary polite conditional | しっぱいしますれば (shippaishimasureba)if you fail (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 | しっぱいしたら (shippaishitara)if you fail |
| Polite conditional, tara | しっぱいしましたら (shippaishimashitara)if you fail |
Mood
Potential
| Person, form or usage | Form and meaning |
|---|---|
| Potential | しっぱいできる (shippaidekiru)can fail |
| Polite potential | しっぱいできます (shippaidekimasu)can fail |
Volitional
| Person, form or usage | Form and meaning |
|---|---|
| Volitional | しっぱいしよう (shippaishiyou)let's fail! |
| Polite volitional | しっぱいしましょう (shippaishimashou)let's fail! |
Desire, tai
| Person, form or usage | Form and meaning |
|---|---|
| Desire, tai | しっぱいしたい (shippaishitai)want to fail |
| Polite desire, tai | しっぱいしたいです (shippaishitaidesu)want to fail |
Voice
Passive
| Person, form or usage | Form and meaning |
|---|---|
| Passive | しっぱいされる (shippaisareru)be affected when someone fails |
| Polite passive | しっぱいされます (shippaisaremasu)be affected when someone fails |
Causative
| Person, form or usage | Form and meaning |
|---|---|
| Causative | しっぱいさせる (shippaisaseru)make or let someone fail |
| Polite causative | しっぱいさせます (shippaisasemasu)make or let someone fail |
Causative passive
| Person, form or usage | Form and meaning |
|---|---|
| Causative-passive | しっぱいさせられる (shippaisaserareru)be made to fail |
| Polite causative-passive | しっぱいさせられます (shippaisaseraremasu)be made to fail |
Commands
Negative imperative
| Person, form or usage | Form and meaning |
|---|---|
| Negative imperative | しっぱいするな (shippaisuruna)do not fail! |
| Polite negative request | しっぱいしないでください (shippaishinaidekudasai)please do not fail |
Polite
Polite non past
| Person, form or usage | Form and meaning |
|---|---|
| Polite non-past form | しっぱいします (shippaishimasu)fail |
Polite negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite negative form | しっぱいしません (shippaishimasen)do not fail |
Polite past
| Person, form or usage | Form and meaning |
|---|---|
| Polite past form | しっぱいしました (shippaishimashita)failed |
Polite past negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite past negative form | しっぱいしませんでした (shippaishimasendeshita)did not fail |
Requests
Request with kudasai
| Person, form or usage | Form and meaning |
|---|---|
| Request with kudasai | しっぱいしてください (shippaishitekudasai)please fail |
Negative request
| Person, form or usage | Form and meaning |
|---|---|
| Request not to act | しっぱいしないでください (shippaishinaidekudasai)please do not fail |
Invitation with mashou
| Person, form or usage | Form and meaning |
|---|---|
| Invitation with mashou | しっぱいしましょう (shippaishimashou)let's fail! |
Permission
| Person, form or usage | Form and meaning |
|---|---|
| Permission | しっぱいしてもいい (shippaishitemoii)may fail |
| Polite permission | しっぱいしてもいいです (shippaishitemoiidesu)may fail |
Not allowed
| Person, form or usage | Form and meaning |
|---|---|
| Not allowed | しっぱいしてはいけない (shippaishitehaikenai)must not fail |
| Polite prohibition | しっぱいしてはいけません (shippaishitehaikemasen)must not fail |
Instruction with nasai
| Person, form or usage | Form and meaning |
|---|---|
| Instruction with nasai | しっぱいしなさい (shippaishinasai)fail (instruction) |
Aspect
Try doing
| Person, form or usage | Form and meaning |
|---|---|
| Try doing | しっぱいしてみる (shippaishitemiru)try to fail |
| Polite try doing | しっぱいしてみます (shippaishitemimasu)try to fail |
Completion or regret
| Person, form or usage | Form and meaning |
|---|---|
| Completion or regret | しっぱいしてしまう (shippaishiteshimau)fail completely or regrettably |
| Polite completion or regret | しっぱいしてしまいます (shippaishiteshimaimasu)fail completely or regrettably |
Preparation
| Person, form or usage | Form and meaning |
|---|---|
| Preparation | しっぱいしておく (shippaishiteoku)fail in advance |
| Polite preparation | しっぱいしておきます (shippaishiteokimasu)fail in advance |
Past experience
| Person, form or usage | Form and meaning |
|---|---|
| Past experience | しっぱいしたことがある (shippaishitakotogaaru)have the experience of: failed |
| Polite past experience | しっぱいしたことがあります (shippaishitakotogaarimasu)have the experience of: failed |
Conditions
Automatic result, to
| Person, form or usage | Form and meaning |
|---|---|
| Automatic result, to | しっぱいすると (shippaisuruto)whenever you fail |
| Polite automatic result | しっぱいしますと (shippaishimasuto)whenever you fail |
Given that, nara
| Person, form or usage | Form and meaning |
|---|---|
| Given that, nara | しっぱいするなら (shippaisurunara)if you mean to fail |
Probability
| Person, form or usage | Form and meaning |
|---|---|
| Probability | しっぱいするだろう (shippaisurudarou)probably fail |
| Polite probability | しっぱいするでしょう (shippaisurudeshou)probably fail |
Additional forms
Strong command
| Person, form or usage | Form and meaning |
|---|---|
| Imperative | しっぱいしろ (shippaishiro)fail! |
| Polite request | しっぱいしてください (shippaishitekudasai)please fail |
Forms from the Loquus reference. Only supplied forms are shown. Browse all Japanese entries.