Present
| I | undervalue |
| You | undervalue |
| She | undervalues |
| We | undervalue |
| They | undervalue |
Past
| I | undervalued |
| You | undervalued |
| She | undervalued |
| We | undervalued |
| They | undervalued |
Perfect
| I | have | undervalued |
| You | have | undervalued |
| She | has | undervalued |
| We | have | undervalued |
| They | have | undervalued |
Future
| I | will | undervalue |
| You | will | undervalue |
| She | will | undervalue |
| We | will | undervalue |
| They | will | undervalue |
Past Perfect
| I | had | undervalued |
| You | had | undervalued |
| She | had | undervalued |
| We | had | undervalued |
| They | had | undervalued |
Future Perfect
| I | will | have | undervalued |
| You | will | have | undervalued |
| She | will | have | undervalued |
| We | will | have | undervalued |
| They | will | have | undervalued |
Present - Conditional
| I | would | undervalue |
| You | would | undervalue |
| She | would | undervalue |
| We | would | undervalue |
| They | would | undervalue |
Perfect - Conditional
| I | would | have | undervalued |
| You | would | have | undervalued |
| She | would | have | undervalued |
| We | would | have | undervalued |
| They | would | have | undervalued |