落伍する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 落伍する | 落伍しない |
| Polite | 落伍します | 落伍しません |
| Past polite | 落伍しました | 落伍しませんでした |
| Past | 落伍した | 落伍しなかった |
| Te-form | 落伍して | 落伍しないで |
| Desire | 落伍したい | 落伍したくない |
| Potential | 落伍できる | 落伍できない |
| Passive | 落伍される | 落伍されない |
| Causative | 落伍させる | 落伍させない |
| Causative passive | 落伍させられる | 落伍させられない |
| Volitional | 落伍しよう | |
| Polite volitional | 落伍しましょう | |
| Imperative | 落伍しろ | 落伍するな |
| Conditional | 落伍すれば | 落伍しなければ |
| Tara conditional | 落伍したら | 落伍しなかったら |
noun, noun or participle which takes 'suru'
falling behind; being left behind; dropping out
Figurative use: failing to keep up with a group, trend, or competition; often implies being left out or dropping out from a collective effort.
He fell behind in the competition.
I keep studying so as not to be left behind by the changing times.
noun, noun or participle which takes 'suru'
falling out of line; straggling from the ranks
Literal military or marching use: dropping out of formation or falling behind the ranks. Less common in everyday speech.
Some soldiers fell out of line during the march.