Japanese reference
通す
とおす
to let something through
Regular · 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 | とおす (toosu)let something through |
| Polite, masu | とおします (tooshimasu)let something through |
Negative
| Person, form or usage | Form and meaning |
|---|---|
| Negative, nai | とおさない (toosanai)do not let something through |
| Polite negative | とおしません (tooshimasen)do not let something through |
Past
| Person, form or usage | Form and meaning |
|---|---|
| Past, ta | とおした (tooshita)let something through |
| Polite past | とおしました (tooshimashita)let something through |
Past negative
| Person, form or usage | Form and meaning |
|---|---|
| Past negative | とおさなかった (toosanakatta)did not let something through |
| Polite past negative | とおしませんでした (tooshimasendeshita)did not let something through |
Linking
Te form
| Person, form or usage | Form and meaning |
|---|---|
| Te-form | とおして (tooshite)letting something through (and then) |
| Polite te-form | とおしまして (tooshimashite)letting something through (and then) |
Te iru
| Person, form or usage | Form and meaning |
|---|---|
| Te-iru: ongoing action / resulting state | とおしている (tooshiteiru)be letting something through |
| Polite te-iru | とおしています (tooshiteimasu)be letting something through |
Conditional, ba
| Person, form or usage | Form and meaning |
|---|---|
| Conditional, ba | とおせば (tooseba)if you let something through |
| Rare literary polite conditional | とおしますれば (tooshimasureba)if you let something through (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 | とおしたら (tooshitara)if you let something through |
| Polite conditional, tara | とおしましたら (tooshimashitara)if you let something through |
Mood
Potential
| Person, form or usage | Form and meaning |
|---|---|
| Potential | とおせる (tooseru)can let something through |
| Polite potential | とおせます (toosemasu)can let something through |
Volitional
| Person, form or usage | Form and meaning |
|---|---|
| Volitional | とおそう (toosou)let's let something through! |
| Polite volitional | とおしましょう (tooshimashou)let's let something through! |
Desire, tai
| Person, form or usage | Form and meaning |
|---|---|
| Desire, tai | とおしたい (tooshitai)want to let something through |
| Polite desire, tai | とおしたいです (tooshitaidesu)want to let something through |
Voice
Passive
| Person, form or usage | Form and meaning |
|---|---|
| Passive | とおされる (toosareru)be let through |
| Polite passive | とおされます (toosaremasu)be let through |
Causative
| Person, form or usage | Form and meaning |
|---|---|
| Causative | とおさせる (toosaseru)make or let someone let something through |
| Polite causative | とおさせます (toosasemasu)make or let someone let something through |
Causative passive
| Person, form or usage | Form and meaning |
|---|---|
| Causative-passive | とおさせられる (toosaserareru)be made to let something through |
| Polite causative-passive | とおさせられます (toosaseraremasu)be made to let something through |
Commands
Negative imperative
| Person, form or usage | Form and meaning |
|---|---|
| Negative imperative | とおすな (toosuna)do not let something through! |
| Polite negative request | とおさないでください (toosanaidekudasai)please do not let something through |
Polite
Polite non past
| Person, form or usage | Form and meaning |
|---|---|
| Polite non-past form | とおします (tooshimasu)let something through |
Polite negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite negative form | とおしません (tooshimasen)do not let something through |
Polite past
| Person, form or usage | Form and meaning |
|---|---|
| Polite past form | とおしました (tooshimashita)let something through |
Polite past negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite past negative form | とおしませんでした (tooshimasendeshita)did not let something through |
Requests
Request with kudasai
| Person, form or usage | Form and meaning |
|---|---|
| Request with kudasai | とおしてください (tooshitekudasai)please let something through |
Negative request
| Person, form or usage | Form and meaning |
|---|---|
| Request not to act | とおさないでください (toosanaidekudasai)please do not let something through |
Invitation with mashou
| Person, form or usage | Form and meaning |
|---|---|
| Invitation with mashou | とおしましょう (tooshimashou)let's let something through! |
Permission
| Person, form or usage | Form and meaning |
|---|---|
| Permission | とおしてもいい (tooshitemoii)may let something through |
| Polite permission | とおしてもいいです (tooshitemoiidesu)may let something through |
Not allowed
| Person, form or usage | Form and meaning |
|---|---|
| Not allowed | とおしてはいけない (tooshitehaikenai)must not let something through |
| Polite prohibition | とおしてはいけません (tooshitehaikemasen)must not let something through |
Instruction with nasai
| Person, form or usage | Form and meaning |
|---|---|
| Instruction with nasai | とおしなさい (tooshinasai)let something through (instruction) |
Aspect
Try doing
| Person, form or usage | Form and meaning |
|---|---|
| Try doing | とおしてみる (tooshitemiru)try to let something through |
| Polite try doing | とおしてみます (tooshitemimasu)try to let something through |
Completion or regret
| Person, form or usage | Form and meaning |
|---|---|
| Completion or regret | とおしてしまう (tooshiteshimau)let something through completely or regrettably |
| Polite completion or regret | とおしてしまいます (tooshiteshimaimasu)let something through completely or regrettably |
Preparation
| Person, form or usage | Form and meaning |
|---|---|
| Preparation | とおしておく (tooshiteoku)let something through in advance |
| Polite preparation | とおしておきます (tooshiteokimasu)let something through in advance |
Past experience
| Person, form or usage | Form and meaning |
|---|---|
| Past experience | とおしたことがある (tooshitakotogaaru)have the experience of: let something through |
| Polite past experience | とおしたことがあります (tooshitakotogaarimasu)have the experience of: let something through |
Conditions
Automatic result, to
| Person, form or usage | Form and meaning |
|---|---|
| Automatic result, to | とおすと (toosuto)whenever you let something through |
| Polite automatic result | とおしますと (tooshimasuto)whenever you let something through |
Given that, nara
| Person, form or usage | Form and meaning |
|---|---|
| Given that, nara | とおすなら (toosunara)if you mean to let something through |
Probability
| Person, form or usage | Form and meaning |
|---|---|
| Probability | とおすだろう (toosudarou)probably let something through |
| Polite probability | とおすでしょう (toosudeshou)probably let something through |
Additional forms
Strong command
| Person, form or usage | Form and meaning |
|---|---|
| Imperative | とおせ (toose)let something through! |
| Polite request | とおしてください (tooshitekudasai)please let something through |
Forms from the Loquus reference. Only supplied forms are shown. Browse all Japanese entries.