| I | understate | |
|---|---|---|
| you | understate | |
| he/she/it | understates | |
| we | understate | |
| you | understate | |
| they | understate |
| I | understated | |
|---|---|---|
| you | understated | |
| he/she/it | understated | |
| we | understated | |
| you | understated | |
| they | understated |
| I | have | understated | |
|---|---|---|---|
| you | have | understated | |
| he/she/it | has | understated | |
| we | have | understated | |
| you | have | understated | |
| they | have | understated |
| I | had | understated | |
|---|---|---|---|
| you | had | understated | |
| he/she/it | had | understated | |
| we | had | understated | |
| you | had | understated | |
| they | had | understated |