| I | underprice |
|---|---|
| you | underprice |
| he/she/it | underprices |
| we | underprice |
| you | underprice |
| they | underprice |
| I | underpriced |
|---|---|
| you | underpriced |
| he/she/it | underpriced |
| we | underpriced |
| you | underpriced |
| they | underpriced |
| I | have | underpriced |
|---|---|---|
| you | have | underpriced |
| he/she/it | has | underpriced |
| we | have | underpriced |
| you | have | underpriced |
| they | have | underpriced |
| I | had | underpriced |
|---|---|---|
| you | had | underpriced |
| he/she/it | had | underpriced |
| we | had | underpriced |
| you | had | underpriced |
| they | had | underpriced |