Color Key
| Regular | Irregular |
| Ortho. Change | Not Used |
precisar
to state precisely, specify
Imperative (Command) / Imperativo
| yo | — — — |
| tú | precisa |
| él / Ud. | precise |
| nosotros | precisemos |
| vosotros | precisad |
| ellos / Uds. | precisen |
Negative Imperative (Command) / Imperativo Negativo
| yo | — — — |
| tú | no precises |
| él / Ud. | no precise |
| nosotros | no precisemos |
| vosotros | no preciséis |
| ellos / Uds. | no precisen |