Present
| I | ventilate |
| You | ventilate |
| She | ventilates |
| We | ventilate |
| They | ventilate |
Past
| I | ventilated |
| You | ventilated |
| She | ventilated |
| We | ventilated |
| They | ventilated |
Perfect
| I | have | ventilated |
| You | have | ventilated |
| She | has | ventilated |
| We | have | ventilated |
| They | have | ventilated |
Future
| I | will | ventilate |
| You | will | ventilate |
| She | will | ventilate |
| We | will | ventilate |
| They | will | ventilate |
Past Perfect
| I | had | ventilated |
| You | had | ventilated |
| She | had | ventilated |
| We | had | ventilated |
| They | had | ventilated |
Future Perfect
| I | will | have | ventilated |
| You | will | have | ventilated |
| She | will | have | ventilated |
| We | will | have | ventilated |
| They | will | have | ventilated |
Present - Conditional
| I | would | ventilate |
| You | would | ventilate |
| She | would | ventilate |
| We | would | ventilate |
| They | would | ventilate |
Perfect - Conditional
| I | would | have | ventilated |
| You | would | have | ventilated |
| She | would | have | ventilated |
| We | would | have | ventilated |
| They | would | have | ventilated |