Japanese reference
仮定する
かていする
to assume; hypothesize
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 | かていする (kateisuru)assume |
| Polite, masu | かていします (kateishimasu)assume |
Negative
| Person, form or usage | Form and meaning |
|---|---|
| Negative, nai | かていしない (kateishinai)do not assume |
| Polite negative | かていしません (kateishimasen)do not assume |
Past
| Person, form or usage | Form and meaning |
|---|---|
| Past, ta | かていした (kateishita)assumed |
| Polite past | かていしました (kateishimashita)assumed |
Past negative
| Person, form or usage | Form and meaning |
|---|---|
| Past negative | かていしなかった (kateishinakatta)did not assume |
| Polite past negative | かていしませんでした (kateishimasendeshita)did not assume |
Linking
Te form
| Person, form or usage | Form and meaning |
|---|---|
| Te-form | かていして (kateishite)assuming (and then) |
| Polite te-form | かていしまして (kateishimashite)assuming (and then) |
Te iru
| Person, form or usage | Form and meaning |
|---|---|
| Te-iru: ongoing action / resulting state | かていしている (kateishiteiru)be assuming |
| Polite te-iru | かていしています (kateishiteimasu)be assuming |
Conditional, ba
| Person, form or usage | Form and meaning |
|---|---|
| Conditional, ba | かていすれば (kateisureba)if you assume |
| Rare literary polite conditional | かていしますれば (kateishimasureba)if you assume (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 | かていしたら (kateishitara)if you assume |
| Polite conditional, tara | かていしましたら (kateishimashitara)if you assume |
Mood
Potential
| Person, form or usage | Form and meaning |
|---|---|
| Potential | かていできる (kateidekiru)can assume |
| Polite potential | かていできます (kateidekimasu)can assume |
Volitional
| Person, form or usage | Form and meaning |
|---|---|
| Volitional | かていしよう (kateishiyou)let's assume! |
| Polite volitional | かていしましょう (kateishimashou)let's assume! |
Desire, tai
| Person, form or usage | Form and meaning |
|---|---|
| Desire, tai | かていしたい (kateishitai)want to assume |
| Polite desire, tai | かていしたいです (kateishitaidesu)want to assume |
Voice
Passive
| Person, form or usage | Form and meaning |
|---|---|
| Passive | かていされる (kateisareru)be affected when someone assumes |
| Polite passive | かていされます (kateisaremasu)be affected when someone assumes |
Causative
| Person, form or usage | Form and meaning |
|---|---|
| Causative | かていさせる (kateisaseru)make or let someone assume |
| Polite causative | かていさせます (kateisasemasu)make or let someone assume |
Causative passive
| Person, form or usage | Form and meaning |
|---|---|
| Causative-passive | かていさせられる (kateisaserareru)be made to assume |
| Polite causative-passive | かていさせられます (kateisaseraremasu)be made to assume |
Commands
Negative imperative
| Person, form or usage | Form and meaning |
|---|---|
| Negative imperative | かていするな (kateisuruna)do not assume! |
| Polite negative request | かていしないでください (kateishinaidekudasai)please do not assume |
Polite
Polite non past
| Person, form or usage | Form and meaning |
|---|---|
| Polite non-past form | かていします (kateishimasu)assume |
Polite negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite negative form | かていしません (kateishimasen)do not assume |
Polite past
| Person, form or usage | Form and meaning |
|---|---|
| Polite past form | かていしました (kateishimashita)assumed |
Polite past negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite past negative form | かていしませんでした (kateishimasendeshita)did not assume |
Requests
Request with kudasai
| Person, form or usage | Form and meaning |
|---|---|
| Request with kudasai | かていしてください (kateishitekudasai)please assume |
Negative request
| Person, form or usage | Form and meaning |
|---|---|
| Request not to act | かていしないでください (kateishinaidekudasai)please do not assume |
Invitation with mashou
| Person, form or usage | Form and meaning |
|---|---|
| Invitation with mashou | かていしましょう (kateishimashou)let's assume! |
Permission
| Person, form or usage | Form and meaning |
|---|---|
| Permission | かていしてもいい (kateishitemoii)may assume |
| Polite permission | かていしてもいいです (kateishitemoiidesu)may assume |
Not allowed
| Person, form or usage | Form and meaning |
|---|---|
| Not allowed | かていしてはいけない (kateishitehaikenai)must not assume |
| Polite prohibition | かていしてはいけません (kateishitehaikemasen)must not assume |
Instruction with nasai
| Person, form or usage | Form and meaning |
|---|---|
| Instruction with nasai | かていしなさい (kateishinasai)assume (instruction) |
Aspect
Try doing
| Person, form or usage | Form and meaning |
|---|---|
| Try doing | かていしてみる (kateishitemiru)try to assume |
| Polite try doing | かていしてみます (kateishitemimasu)try to assume |
Completion or regret
| Person, form or usage | Form and meaning |
|---|---|
| Completion or regret | かていしてしまう (kateishiteshimau)assume completely or regrettably |
| Polite completion or regret | かていしてしまいます (kateishiteshimaimasu)assume completely or regrettably |
Preparation
| Person, form or usage | Form and meaning |
|---|---|
| Preparation | かていしておく (kateishiteoku)assume in advance |
| Polite preparation | かていしておきます (kateishiteokimasu)assume in advance |
Past experience
| Person, form or usage | Form and meaning |
|---|---|
| Past experience | かていしたことがある (kateishitakotogaaru)have the experience of: assumed |
| Polite past experience | かていしたことがあります (kateishitakotogaarimasu)have the experience of: assumed |
Conditions
Automatic result, to
| Person, form or usage | Form and meaning |
|---|---|
| Automatic result, to | かていすると (kateisuruto)whenever you assume |
| Polite automatic result | かていしますと (kateishimasuto)whenever you assume |
Given that, nara
| Person, form or usage | Form and meaning |
|---|---|
| Given that, nara | かていするなら (kateisurunara)if you mean to assume |
Probability
| Person, form or usage | Form and meaning |
|---|---|
| Probability | かていするだろう (kateisurudarou)probably assume |
| Polite probability | かていするでしょう (kateisurudeshou)probably assume |
Additional forms
Strong command
| Person, form or usage | Form and meaning |
|---|---|
| Imperative | かていしろ (kateishiro)assume! |
| Polite request | かていしてください (kateishitekudasai)please assume |
Forms from the Loquus reference. Only supplied forms are shown. Browse all Japanese entries.