Present
| I | retrogress |
| You | retrogress |
| She | retrogresses |
| We | retrogress |
| They | retrogress |
Past
| I | retrogressed |
| You | retrogressed |
| She | retrogressed |
| We | retrogressed |
| They | retrogressed |
Perfect
| I | have | retrogressed |
| You | have | retrogressed |
| She | has | retrogressed |
| We | have | retrogressed |
| They | have | retrogressed |
Future
| I | will | retrogress |
| You | will | retrogress |
| She | will | retrogress |
| We | will | retrogress |
| They | will | retrogress |
Past Perfect
| I | had | retrogressed |
| You | had | retrogressed |
| She | had | retrogressed |
| We | had | retrogressed |
| They | had | retrogressed |
Future Perfect
| I | will | have | retrogressed |
| You | will | have | retrogressed |
| She | will | have | retrogressed |
| We | will | have | retrogressed |
| They | will | have | retrogressed |
Present - Conditional
| I | would | retrogress |
| You | would | retrogress |
| She | would | retrogress |
| We | would | retrogress |
| They | would | retrogress |
Perfect - Conditional
| I | would | have | retrogressed |
| You | would | have | retrogressed |
| She | would | have | retrogressed |
| We | would | have | retrogressed |
| They | would | have | retrogressed |