Present
| I | treble |
| You | treble |
| She | trebles |
| We | treble |
| They | treble |
Past
| I | trebled |
| You | trebled |
| She | trebled |
| We | trebled |
| They | trebled |
Perfect
| I | have | trebled |
| You | have | trebled |
| She | has | trebled |
| We | have | trebled |
| They | have | trebled |
Future
| I | will | treble |
| You | will | treble |
| She | will | treble |
| We | will | treble |
| They | will | treble |
Past Perfect
| I | had | trebled |
| You | had | trebled |
| She | had | trebled |
| We | had | trebled |
| They | had | trebled |
Future Perfect
| I | will | have | trebled |
| You | will | have | trebled |
| She | will | have | trebled |
| We | will | have | trebled |
| They | will | have | trebled |
Present - Conditional
| I | would | treble |
| You | would | treble |
| She | would | treble |
| We | would | treble |
| They | would | treble |
Perfect - Conditional
| I | would | have | trebled |
| You | would | have | trebled |
| She | would | have | trebled |
| We | would | have | trebled |
| They | would | have | trebled |