Present
| I | double |
| You | double |
| She | doubles |
| We | double |
| They | double |
Past
| I | doubled |
| You | doubled |
| She | doubled |
| We | doubled |
| They | doubled |
Perfect
| I | have | doubled |
| You | have | doubled |
| She | has | doubled |
| We | have | doubled |
| They | have | doubled |
Future
| I | will | double |
| You | will | double |
| She | will | double |
| We | will | double |
| They | will | double |
Past Perfect
| I | had | doubled |
| You | had | doubled |
| She | had | doubled |
| We | had | doubled |
| They | had | doubled |
Future Perfect
| I | will | have | doubled |
| You | will | have | doubled |
| She | will | have | doubled |
| We | will | have | doubled |
| They | will | have | doubled |
Present - Conditional
| I | would | double |
| You | would | double |
| She | would | double |
| We | would | double |
| They | would | double |
Perfect - Conditional
| I | would | have | doubled |
| You | would | have | doubled |
| She | would | have | doubled |
| We | would | have | doubled |
| They | would | have | doubled |