en el diccionario PONS
work up V. trans.
1. work up (generate):
| I | work up |
|---|---|
| you | work up |
| he/she/it | works up |
| we | work up |
| you | work up |
| they | work up |
| I | worked up |
|---|---|
| you | worked up |
| he/she/it | worked up |
| we | worked up |
| you | worked up |
| they | worked up |
| I | have | worked up |
|---|---|---|
| you | have | worked up |
| he/she/it | has | worked up |
| we | have | worked up |
| you | have | worked up |
| they | have | worked up |
| I | had | worked up |
|---|---|---|
| you | had | worked up |
| he/she/it | had | worked up |
| we | had | worked up |
| you | had | worked up |
| they | had | worked up |