Present
| I | whistle |
| You | whistle |
| She | whistles |
| We | whistle |
| They | whistle |
Past
| I | whistled |
| You | whistled |
| She | whistled |
| We | whistled |
| They | whistled |
Perfect
| I | have | whistled |
| You | have | whistled |
| She | has | whistled |
| We | have | whistled |
| They | have | whistled |
Future
| I | will | whistle |
| You | will | whistle |
| She | will | whistle |
| We | will | whistle |
| They | will | whistle |
Past Perfect
| I | had | whistled |
| You | had | whistled |
| She | had | whistled |
| We | had | whistled |
| They | had | whistled |
Future Perfect
| I | will | have | whistled |
| You | will | have | whistled |
| She | will | have | whistled |
| We | will | have | whistled |
| They | will | have | whistled |
Present - Conditional
| I | would | whistle |
| You | would | whistle |
| She | would | whistle |
| We | would | whistle |
| They | would | whistle |
Perfect - Conditional
| I | would | have | whistled |
| You | would | have | whistled |
| She | would | have | whistled |
| We | would | have | whistled |
| They | would | have | whistled |