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Verb inflections
| Form | Inflected form |
|---|---|
| Base | 고사하다 |
| Present | 고사한다 |
| Polite | 고사해요 |
| Formal | 고사합니다 |
| Past | 고사했다 |
| Past + Polite | 고사했어요 |
| Guess + Polite | 고사하겠어요 |
| Connective | 고사하고 |
| Conditional | 고사하면 |
| Volitional | 고사하자 |
| Imperative | 고사해라 |
| Imperative + Polite | 고사하세요 |
| Attributive | 고사하는 / 고사한 / 고사할 |
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