行動する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 行動する | 行動しない |
| Polite | 行動します | 行動しません |
| Past polite | 行動しました | 行動しませんでした |
| Past | 行動した | 行動しなかった |
| Te-form | 行動して | 行動しないで |
| Desire | 行動したい | 行動したくない |
| Potential | 行動できる | 行動できない |
| Passive | 行動される | 行動されない |
| Causative | 行動させる | 行動させない |
| Causative passive | 行動させられる | 行動させられない |
| Volitional | 行動しよう | |
| Polite volitional | 行動しましょう | |
| Imperative | 行動しろ | 行動するな |
| Conditional | 行動すれば | 行動しなければ |
| Tara conditional | 行動したら | 行動しなかったら |
noun, noun or participle which takes 'suru', intransitive verb, noun which may take the genitive case particle 'no'
action; conduct; behavior; mobilization
Broad term covering what a person or group does, from everyday behavior to organized campaigns. The 'mobilization' sense appears in contexts like social movements or military action.
彼の行動はいつも予測できない。
His actions are always unpredictable.
Let's take action for environmental protection.
The students mobilized against the tuition hike.
During the trip, I stayed with the guide the whole time.
The researcher observed the animal's behavior.
He's quick to act, which is a big help.
The teacher was keeping an eye on the students' behavior.
行動 is a broad, neutral word for any action or activity, while 挙動 narrows to a person's observable bearing or manner, often with a hint of suspicion.
行動 is a general word for action or behavior, whereas 進退 implies choosing between two contrasting courses, such as staying or leaving.
行動 is a neutral word for behavior or action, whereas 真似 in its 'behavior' sense usually implies something foolish or improper.
行動 describes broader actions or conduct, while 仕草 refers specifically to small gestures or mannerisms.
ethology; behavioral science