Yo busqué.
The simple past perfect must be used to mention something that has finished or has been completed.
Past perfect simple of the indicative of the verb "buscar" (search):
- Yo busqué
- Tú buscaste
- Usted buscó
- Él buscó
- Ella buscó
- Nosotros/as buscamos
- Vosotros/as buscastéis
- Ustedes buscaron
- Ellos/as buscan
MissSpanish