Present
| I | tamper |
| You | tamper |
| She | tampers |
| We | tamper |
| They | tamper |
Past
| I | tampered |
| You | tampered |
| She | tampered |
| We | tampered |
| They | tampered |
Perfect
| I | have | tampered |
| You | have | tampered |
| She | has | tampered |
| We | have | tampered |
| They | have | tampered |
Future
| I | will | tamper |
| You | will | tamper |
| She | will | tamper |
| We | will | tamper |
| They | will | tamper |
Past Perfect
| I | had | tampered |
| You | had | tampered |
| She | had | tampered |
| We | had | tampered |
| They | had | tampered |
Future Perfect
| I | will | have | tampered |
| You | will | have | tampered |
| She | will | have | tampered |
| We | will | have | tampered |
| They | will | have | tampered |
Present - Conditional
| I | would | tamper |
| You | would | tamper |
| She | would | tamper |
| We | would | tamper |
| They | would | tamper |
Perfect - Conditional
| I | would | have | tampered |
| You | would | have | tampered |
| She | would | have | tampered |
| We | would | have | tampered |
| They | would | have | tampered |