改める
改める · ichidan verb
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 改める | 改めない |
| Polite | 改めます | 改めません |
| Past polite | 改めました | 改めませんでした |
| Past | 改めた | 改めなかった |
| Te-form | 改めて | 改めないで |
| Desire | 改めたい | 改めたくない |
| Potential | 改められるalso 改めれる | 改められないalso 改めれない |
| Passive | 改められる | 改められない |
| Causative | 改めさせる | 改めさせない |
| Causative passive | 改めさせられる | 改めさせられない |
| Volitional | 改めよう | |
| Polite volitional | 改めましょう | |
| Imperative | 改めろ | 改めるな |
| Conditional | 改めれば | 改めなければ |
| Tara conditional | 改めたら | 改めなかったら |
Meanings
ichidan verb, transitive verb
change; alter; revise; replace
Broadly used for changing something into a new state, revising plans, or replacing old with new. Often implies a deliberate, formal, or thorough change.
The company decided to revise its management policy.
Replace the old system with a new one.
ichidan verb, transitive verb
reform; correct; mend; improve
Used for improving behavior, habits, or systems; often implies fixing something wrong or making a moral correction.
He should correct his attitude.
It's hard to break a bad habit.
ichidan verb, transitive verb
Formal or official inspection, such as checking documents, tickets, or luggage. The kanji 検める is specifically associated with this sense.
The station staff are checking tickets.
My luggage was inspected at customs.
ichidan verb, transitive verb
do properly; do formally
Used in set phrases like 改めて (anew, formally) or when an action is done again in a more proper or formal manner. Often appears as 改めて~する.
I will contact you again formally at a later date.
I would like to express my gratitude once again properly.
Usage patterns
- 〈事〉を改めるto revise or change (a plan, rule, policy)
The company decided to revise its old rules.
- 態度を改めるto correct or reform one's attitude
He corrected his attitude after being warned by the teacher.
- 改めて〈動詞〉to do something again, this time properly or formally
I will contact you again formally at a later date.
- 服装を改めるto make one's appearance or dress proper/formal
I made myself presentable before the ceremony.
Expressions· 7
- 版を改めるrevise an edition
- 稿を改めるrewrite a manuscript; revise a draft
- 章を改めるbegin a new chapter; turn over a new leaf
- 行を改めるstart a new paragraph; begin a new line
- 切符を改めるexamine tickets; check tickets
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- 過ちを改めるcorrect a fault; mend one's ways
- 過ちて改めざるこれを過ちというA mistake uncorrected is a mistake indeed; Not correcting a mistake is itself a mistake