| 1. | Base Form (Infinitive): | Regret |
| 2. | Simple Past: | Regretted |
| 3. | Past Participle: | Regretted |
| 4. | Present Participle: | Regretting |
| 5. | 3rd Person Singular: | Regrets |

Regret past tense
| Regretted |
| Regretted is the past tense of the word regret. |
Regret past participle
| Regretted |
| Regretted is the past participle of the word regret. |
Regret verb forms V1 V2 V3 V4
| Infinitive | Past Simple | Past Participle | Present Participle |
|---|---|---|---|
| Regret | Regretted | Regretted | Regretting |
Conjugation of Regret
| Simple / Indefinite Present Tense |
| I regret saying that. |
| He/She/It regret saying that. |
| You/We/They regret saying that. |
| Simple Past Tense |
| I regretted saying that. |
| He/She/It regretted saying that. |
| You/We/They regretted saying that. |
| Simple Future Tense |
| I will/shall regret saying that. |
| He/She/It will regret saying that. |
| You/We/They will/shall regret saying that. |
| Present Continuous Tense |
| I am regretting saying that. |
| He/She/It is regretting saying that. |
| You/We/They are regretting saying that. |
| Past Continuous Tense |
| I was regretting saying that. |
| He/She/It was regretting saying that. |
| You/We/They were regretting saying that. |
| Future Continuous Tense |
| I will be regretting saying that. |
| He/She/It will be regretting saying that. |
| You/We/They will be regretting saying that. |
| Present Perfect Tense |
| I have regretted saying that. |
| He/She/It has regretted saying that. |
| You/We/They have regretted saying that. |
| Past Perfect Tense |
| I had regretted saying that. |
| He/She/It had regretted saying that. |
| You/We/They had regretted saying that. |
| Future Perfect Tense |
| I will have regretted saying that. |
| He/She/It will have regretted saying that. |
| You/We/They will have regretted saying that. |
| Present Perfect Continuous Tense |
| I have been regretting saying that. |
| He/She/It has been regretting saying that. |
| You/We/They have been regretting saying that. |
| Past Perfect Continuous Tense |
| I had been regretting saying that. |
| He/She/It had been regretting saying that. |
| You/We/They had been regretting saying that. |
| Future Perfect Continuous Tense |
| I will have been regretting saying that. |
| He/She/It will have been regretting saying that. |
| You/We/They will have been regretting saying that. |
More verb past tense