Present
| I | regress |
| You | regress |
| She | regresses |
| We | regress |
| They | regress |
Past
| I | regressed |
| You | regressed |
| She | regressed |
| We | regressed |
| They | regressed |
Perfect
| I | have | regressed |
| You | have | regressed |
| She | has | regressed |
| We | have | regressed |
| They | have | regressed |
Future
| I | will | regress |
| You | will | regress |
| She | will | regress |
| We | will | regress |
| They | will | regress |
Past Perfect
| I | had | regressed |
| You | had | regressed |
| She | had | regressed |
| We | had | regressed |
| They | had | regressed |
Future Perfect
| I | will | have | regressed |
| You | will | have | regressed |
| She | will | have | regressed |
| We | will | have | regressed |
| They | will | have | regressed |
Present - Conditional
| I | would | regress |
| You | would | regress |
| She | would | regress |
| We | would | regress |
| They | would | regress |
Perfect - Conditional
| I | would | have | regressed |
| You | would | have | regressed |
| She | would | have | regressed |
| We | would | have | regressed |
| They | would | have | regressed |