Sisear means to produce a high-pitched sound by forcing air through the lips or a similar method, often used to attract attention or express disapproval.
El Imperativo Negativo - used to give orders and commands, telling someone not to do something
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| Pronoun | Conjugation |
|---|---|
| Yo | no sisée |
| Tú | no sisées |
| Él / Ella / Usted | no sisée |
| Nosotros / Nosotras | no sisíamos |
| Vosotros / Vosotras | no siséis |
| Ellos / Ellas / Ustedes | no siséan |
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