役する · suru verb (special)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 役する | 役さない |
| Polite | 役します | 役しません |
| Past polite | 役しました | 役しませんでした |
| Past | 役した | 役さなかった |
| Te-form | 役して | 役さないで |
| Desire | 役したい | 役したくない |
| Potential | 役せる | 役せない |
| Passive | 役されるalso formal 役せられる | 役されないalso formal 役せられない |
| Causative | 役させる | 役させない |
| Causative passive | 役させられる | 役させられない |
| Volitional | 役そう | |
| Polite volitional | 役しましょう | |
| Imperative | 役せ | 役するな |
| Conditional | 役せば | 役さなければ |
| Tara conditional | 役したら | 役さなかったら |
suru verb (special), transitive verb
set to work; employ by force; put to use
Used for compelling people to work, often with a nuance of official or forced labor. The object is typically citizens, laborers, or subordinates.
The government set the disaster victims to work on recovery operations.
In ancient times, captives were sometimes employed by force on farms.
suru verb (special), transitive verb
use; utilize
Broader sense of putting something to use, not limited to people. Can apply to tools, resources, or abilities. Less common than 使う in everyday speech.
We use this machine to increase productivity.