| singular | plural |
| Infinitive | | |
| regret | |
| present simple | | |
| 1 | I regret | we regret |
| 2 | you regret | you regret |
| 3 | he/she/it regrets | they regret |
| past simple | | |
| 1 | I regretted | we regretted |
| 2 | you regretted | you regretted |
| 3 | he/she/it regretted | they regretted |
| future simple | | |
| 1 | I will/shall regret | we will/shall regret |
| 2 | you will/shall regret | you will/shall regret |
| 3 | he/she/it will/shall regret | they will/shall regret |
| conditional simple | | |
| 1 | I would regret | we would regret |
| 2 | you would regret | you would regret |
| 3 | he/she/it would regret | they would regret |
| present continuous | | |
| 1 | I am regretting | we are regretting |
| 2 | you are regretting | you are regretting |
| 3 | he/she/it is regretting | they are regretting |
| past continuous | | |
| 1 | I was regretting | we were regretting |
| 2 | you were regretting | you were regretting |
| 3 | he/she/it was regretting | they were regretting |
| future continuous | | |
| 1 | I will be regretting | we will be regretting |
| 2 | you will be regretting | you will be regretting |
| 3 | he/she/it will be regretting | they will be regretting |
| conditional continuous | | |
| 1 | I would be regretting | we would be regretting |
| 2 | you would be regretting | you would be regretting |
| 3 | he/she/it would be regretting | they would be regretting |
| present perfect | | |
| 1 | I have regretted | we have regretted |
| 2 | you have regretted | you have regretted |
| 3 | he/she/it has regretted | they have regretted |
| past perfect | | |
| 1 | I had regretted | we had regretted |
| 2 | you had regretted | you had regretted |
| 3 | he/she/it had regretted | they had regretted |
| future perfect | | |
| 1 | I will have regretted | we will have regretted |
| 2 | you will have regretted | you will have regretted |
| 3 | he/she/it will have regretted | they will have regretted |
| conditional perfect | | |
| 1 | I would have regretted | we would have regretted |
| 2 | you would have regretted | you would have regretted |
| 3 | he/she/it would have regretted | they would have regretted |
