Questions & Answers about Buscamos un sitio tranquilo en el parque para estudiar.
The form buscamos is the same for:
- present tense, nosotros: we look for / we are looking for
- preterite (simple past), nosotros: we looked for
Spanish often has identical forms for 1st person plural in present and preterite.
You know which one it is from context or from time expressions:
- Cada día buscamos un sitio tranquilo. → present (every day)
- Ayer buscamos un sitio tranquilo. → past (yesterday)
In your sentence, with no time marker, most people will understand it as present unless the context clearly talks about a past event.