Present
| I | understate |
| You | understate |
| She | understates |
| We | understate |
| They | understate |
Past
| I | understated |
| You | understated |
| She | understated |
| We | understated |
| They | understated |
Perfect
| I | have | understated |
| You | have | understated |
| She | has | understated |
| We | have | understated |
| They | have | understated |
Future
| I | will | understate |
| You | will | understate |
| She | will | understate |
| We | will | understate |
| They | will | understate |
Past Perfect
| I | had | understated |
| You | had | understated |
| She | had | understated |
| We | had | understated |
| They | had | understated |
Future Perfect
| I | will | have | understated |
| You | will | have | understated |
| She | will | have | understated |
| We | will | have | understated |
| They | will | have | understated |
Present - Conditional
| I | would | understate |
| You | would | understate |
| She | would | understate |
| We | would | understate |
| They | would | understate |
Perfect - Conditional
| I | would | have | understated |
| You | would | have | understated |
| She | would | have | understated |
| We | would | have | understated |
| They | would | have | understated |