| Present "regret" | I | regret | |
| Present Continuous "regret" | I | am regretting | |
| Simple past "regret" | I | regretted | |
| Past Continuous "regret" | I | was regretting | |
| Present perfect "regret" | I | have regretted | |
| Present perfect continuous "regret" | I | have been regretting | |
| Past perfect "regret" | I | had regretted | |
| Past perfect continuous "regret" | I | had been regretting | |
| Future "regret" | I | will regret | |
| Future continuous "regret" | I | will be regretting | |
| Future perfect "regret" | I | will have regretted | |
| Future perfect continuous "regret" | I | will have been regretting |