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