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