Present
| I | attest |
| You | attest |
| She | attests |
| We | attest |
| They | attest |
Past
| I | attested |
| You | attested |
| She | attested |
| We | attested |
| They | attested |
Perfect
| I | have | attested |
| You | have | attested |
| She | has | attested |
| We | have | attested |
| They | have | attested |
Future
| I | will | attest |
| You | will | attest |
| She | will | attest |
| We | will | attest |
| They | will | attest |
Past Perfect
| I | had | attested |
| You | had | attested |
| She | had | attested |
| We | had | attested |
| They | had | attested |
Future Perfect
| I | will | have | attested |
| You | will | have | attested |
| She | will | have | attested |
| We | will | have | attested |
| They | will | have | attested |
Present - Conditional
| I | would | attest |
| You | would | attest |
| She | would | attest |
| We | would | attest |
| They | would | attest |
Perfect - Conditional
| I | would | have | attested |
| You | would | have | attested |
| She | would | have | attested |
| We | would | have | attested |
| They | would | have | attested |