Present
| I | devitalise |
| You | devitalise |
| She | devitalises |
| We | devitalise |
| They | devitalise |
Past
| I | devitalised |
| You | devitalised |
| She | devitalised |
| We | devitalised |
| They | devitalised |
Perfect
| I | have | devitalised |
| You | have | devitalised |
| She | has | devitalised |
| We | have | devitalised |
| They | have | devitalised |
Future
| I | will | devitalise |
| You | will | devitalise |
| She | will | devitalise |
| We | will | devitalise |
| They | will | devitalise |
Past Perfect
| I | had | devitalised |
| You | had | devitalised |
| She | had | devitalised |
| We | had | devitalised |
| They | had | devitalised |
Future Perfect
| I | will | have | devitalised |
| You | will | have | devitalised |
| She | will | have | devitalised |
| We | will | have | devitalised |
| They | will | have | devitalised |
Present - Conditional
| I | would | devitalise |
| You | would | devitalise |
| She | would | devitalise |
| We | would | devitalise |
| They | would | devitalise |
Perfect - Conditional
| I | would | have | devitalised |
| You | would | have | devitalised |
| She | would | have | devitalised |
| We | would | have | devitalised |
| They | would | have | devitalised |