対する · suru verb (special)
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 対する | 対さない |
| Polite | 対します | 対しません |
| Past polite | 対しました | 対しませんでした |
| Past | 対した | 対さなかった |
| Te-form | 対して | 対さないで |
| Desire | 対したい | 対したくない |
| Potential | 対せる | 対せない |
| Passive | 対されるalso formal 対せられる | 対されないalso formal 対せられない |
| Causative | 対させる | 対させない |
| Causative passive | 対させられる | 対させられない |
| Volitional | 対そう | |
| Polite volitional | 対しましょう | |
| Imperative | 対せ | 対するな |
| Conditional | 対せば | 対さなければ |
| Tara conditional | 対したら | 対さなかったら |
face; be facing
Describes physical or metaphorical facing, often with に or と. Used for two entities facing each other or one facing another.
The two are facing each other across the table.
His house faces the sea.
be directed toward; be in response to; be related to
Abstract direction or relation. Common with 未来, 質問, 問題, etc. Often used as ～に対して.
He has great hopes for the future.
He didn't answer anything in response to that question.
Used for receiving clients, guests, or patients. Often in business or service contexts.
The lawyer attended to the client with sincere care.
The doctor dealt with the patient kindly.
compare with; contrast with; be opposed to
Used for comparison or contrast, often with と or に. Can also mean being in opposition to something.
This year's sales increased by 10% compared to last year.
His opinion is directly opposed to my idea.
confront; oppose; compete with
Active confrontation or competition. Often used in sports, debates, or conflicts.
He fought bravely against a strong opponent.
The team competed evenly against the championship favorite.
He answered that question politely.
We ended up facing a strong team in the finals.
For every 10 people in favor, there were 3 opposed.
You shouldn't act rudely toward your senior.
反対する explicitly means to oppose or object to something, whereas 対する can express facing, relating to, or comparing without necessarily implying opposition.
対 is the noun/prefix used in compounds and set phrases (対米, 三対一), while 対する is the verb form used in predicate position, as in 学生に対する態度 (an attitude toward students).