Present
| I | thwart |
| You | thwart |
| She | thwarts |
| We | thwart |
| They | thwart |
Past
| I | thwarted |
| You | thwarted |
| She | thwarted |
| We | thwarted |
| They | thwarted |
Perfect
| I | have | thwarted |
| You | have | thwarted |
| She | has | thwarted |
| We | have | thwarted |
| They | have | thwarted |
Future
| I | will | thwart |
| You | will | thwart |
| She | will | thwart |
| We | will | thwart |
| They | will | thwart |
Past Perfect
| I | had | thwarted |
| You | had | thwarted |
| She | had | thwarted |
| We | had | thwarted |
| They | had | thwarted |
Future Perfect
| I | will | have | thwarted |
| You | will | have | thwarted |
| She | will | have | thwarted |
| We | will | have | thwarted |
| They | will | have | thwarted |
Present - Conditional
| I | would | thwart |
| You | would | thwart |
| She | would | thwart |
| We | would | thwart |
| They | would | thwart |
Perfect - Conditional
| I | would | have | thwarted |
| You | would | have | thwarted |
| She | would | have | thwarted |
| We | would | have | thwarted |
| They | would | have | thwarted |