必着する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 必着する | 必着しない |
| Polite | 必着します | 必着しません |
| Past polite | 必着しました | 必着しませんでした |
| Past | 必着した | 必着しなかった |
| Te-form | 必着して | 必着しないで |
| Desire | 必着したい | 必着したくない |
| Potential | 必着できる | 必着できない |
| Passive | 必着される | 必着されない |
| Causative | 必着させる | 必着させない |
| Causative passive | 必着させられる | 必着させられない |
| Volitional | 必着しよう | |
| Polite volitional | 必着しましょう | |
| Imperative | 必着しろ | 必着するな |
| Conditional | 必着すれば | 必着しなければ |
| Tara conditional | 必着したら | 必着しなかったら |
noun, noun or participle which takes 'suru', intransitive verb
must arrive by; must be received by; deadline for delivery
Used in formal instructions for documents, applications, or items that must reach a destination by a specified date/time. Often seen as 必着 on envelopes or in submission guidelines.
Application documents must arrive no later than October 31st.
Please send the application form so that it arrives by Friday.
noun, noun or participle which takes 'suru', transitive verb
must wear; must be worn; mandatory to have on
Used in rules or notices requiring the wearing of something, especially safety equipment like seatbelts or helmets. Often appears in the pattern ～必着.
Hard hats must be worn at this construction site.
Seatbelts must be worn even in the back seat.
Application documents must arrive by May 31.
Please note that submitted documents must be received by the deadline.