同行する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 同行する | 同行しない |
| Polite | 同行します | 同行しません |
| Past polite | 同行しました | 同行しませんでした |
| Past | 同行した | 同行しなかった |
| Te-form | 同行して | 同行しないで |
| Desire | 同行したい | 同行したくない |
| Potential | 同行できる | 同行できない |
| Passive | 同行される | 同行されない |
| Causative | 同行させる | 同行させない |
| Causative passive | 同行させられる | 同行させられない |
| Volitional | 同行しよう | |
| Polite volitional | 同行しましょう | |
| Imperative | 同行しろ | 同行するな |
| Conditional | 同行すれば | 同行しなければ |
| Tara conditional | 同行したら | 同行しなかったら |
noun, noun or participle which takes 'suru', intransitive verb
accompanying; going together; traveling with
Used for going somewhere together with someone, often in a formal or business context. Can be used as a noun or with する as an intransitive verb.
The department head is also planning to accompany us to tomorrow's meeting.
He went abroad, accompanied by his family.
the same bank; the said bank
Formal written usage, typically in legal or financial documents, referring to a bank previously mentioned.
The contract stated that the said bank would execute the loan.
He was asked by the police to accompany them.
Please transfer the funds to the said bank's account.
I traveled together with a colleague on a business trip.
同行 means accompanying someone in a broader sense (not necessarily by vehicle), while 同乗 specifically refers to riding together in the same car, taxi, or train.
同行 is often used as a softer, more neutral term for someone accompanying police voluntarily, whereas 連行 implies the person is being taken against their will.