急変する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 急変する | 急変しない |
| Polite | 急変します | 急変しません |
| Past polite | 急変しました | 急変しませんでした |
| Past | 急変した | 急変しなかった |
| Te-form | 急変して | 急変しないで |
| Desire | 急変したい | 急変したくない |
| Potential | 急変できる | 急変できない |
| Passive | 急変される | 急変されない |
| Causative | 急変させる | 急変させない |
| Causative passive | 急変させられる | 急変させられない |
| Volitional | 急変しよう | |
| Polite volitional | 急変しましょう | |
| Imperative | 急変しろ | 急変するな |
| Conditional | 急変すれば | 急変しなければ |
| Tara conditional | 急変したら | 急変しなかったら |
noun, noun or participle which takes 'suru', intransitive verb
sudden change; sudden turn
Describes a rapid, often unexpected shift in a situation, condition, or state. Used as both a noun and a suru-verb.
The weather suddenly changed, so the game was canceled.
His condition took a sudden turn, requiring emergency surgery.
emergency; sudden accident
Refers to a sudden, serious incident or crisis, often medical or safety-related. Used as a noun.
We conducted a disaster drill to prepare for emergencies.
If a sudden change occurs in the patient, call a doctor immediately.
His attitude suddenly changed.
In the mountains, the weather can suddenly change.
In the middle of the night, the patient's condition suddenly deteriorated.
The nurse responded quickly to the emergency.