| I | underpay | |
|---|---|---|
| you | underpay | |
| he/she/it | underpays | |
| we | underpay | |
| you | underpay | |
| they | underpay |
| I | underpaid | |
|---|---|---|
| you | underpaid | |
| he/she/it | underpaid | |
| we | underpaid | |
| you | underpaid | |
| they | underpaid |
| I | have | underpaid | |
|---|---|---|---|
| you | have | underpaid | |
| he/she/it | has | underpaid | |
| we | have | underpaid | |
| you | have | underpaid | |
| they | have | underpaid |
| I | had | underpaid | |
|---|---|---|---|
| you | had | underpaid | |
| he/she/it | had | underpaid | |
| we | had | underpaid | |
| you | had | underpaid | |
| they | had | underpaid |