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