Si se sentara en la mesa, podríamos hablar más cómodamente.
If he would sit at the table, we could talk more comfortably.
Context: society Mi profesor dice que si alguien se sentara en su lugar, no podría escuchar bien.
My teacher says that if someone were to sit in his place, they wouldn't be able to hear well.
Context: education El médico recomendó que se sentara para tomar un descanso durante la consulta.
The doctor recommended that he sit down to take a break during the consultation.
Context: health