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