Present
| I | untie |
| You | untie |
| She | unties |
| We | untie |
| They | untie |
Past
| I | untied |
| You | untied |
| She | untied |
| We | untied |
| They | untied |
Perfect
| I | have | untied |
| You | have | untied |
| She | has | untied |
| We | have | untied |
| They | have | untied |
Future
| I | will | untie |
| You | will | untie |
| She | will | untie |
| We | will | untie |
| They | will | untie |
Past Perfect
| I | had | untied |
| You | had | untied |
| She | had | untied |
| We | had | untied |
| They | had | untied |
Future Perfect
| I | will | have | untied |
| You | will | have | untied |
| She | will | have | untied |
| We | will | have | untied |
| They | will | have | untied |
Present - Conditional
| I | would | untie |
| You | would | untie |
| She | would | untie |
| We | would | untie |
| They | would | untie |
Perfect - Conditional
| I | would | have | untied |
| You | would | have | untied |
| She | would | have | untied |
| We | would | have | untied |
| They | would | have | untied |