| 現在 (Present) "darken" | I | darken | |
| 現在継続 (Present Continuous) "darken" | I | am darkening | |
| 単純な過去 (Simple past) "darken" | I | darkened | |
| 過去継続 (Past Continuous) "darken" | I | was darkening | |
| 現在完了 (Present perfect) "darken" | I | have darkened | |
| 連続完璧な存在 (Present perfect continuous) "darken" | I | have been darkening | |
| 過去完了 (Past perfect) "darken" | I | had darkened | |
| 過去の完璧な連続 (Past perfect continuous) "darken" | I | had been darkening | |
| 未来 (Future) "darken" | I | will darken | |
| 連続将来 (Future continuous) "darken" | I | will be darkening | |
| 未来完了 (Future perfect) "darken" | I | will have darkened | |
| 連続完璧な将来 (Future perfect continuous) "darken" | I | will have been darkening |