Present
| I | oxygenate |
| You | oxygenate |
| She | oxygenates |
| We | oxygenate |
| They | oxygenate |
Past
| I | oxygenated |
| You | oxygenated |
| She | oxygenated |
| We | oxygenated |
| They | oxygenated |
Perfect
| I | have | oxygenated |
| You | have | oxygenated |
| She | has | oxygenated |
| We | have | oxygenated |
| They | have | oxygenated |
Future
| I | will | oxygenate |
| You | will | oxygenate |
| She | will | oxygenate |
| We | will | oxygenate |
| They | will | oxygenate |
Past Perfect
| I | had | oxygenated |
| You | had | oxygenated |
| She | had | oxygenated |
| We | had | oxygenated |
| They | had | oxygenated |
Future Perfect
| I | will | have | oxygenated |
| You | will | have | oxygenated |
| She | will | have | oxygenated |
| We | will | have | oxygenated |
| They | will | have | oxygenated |
Present - Conditional
| I | would | oxygenate |
| You | would | oxygenate |
| She | would | oxygenate |
| We | would | oxygenate |
| They | would | oxygenate |
Perfect - Conditional
| I | would | have | oxygenated |
| You | would | have | oxygenated |
| She | would | have | oxygenated |
| We | would | have | oxygenated |
| They | would | have | oxygenated |