I have studied
He estudiado chino mucho tiempo, pero no lo hablo con fluidez.
I've studied Chinese for a long time, but I don't speak it fluently.
Esta tarde he estudiado un rato.
I studied for a while this afternoon.
Este semestre no he estudiado mucho física.
I haven't studied much physics this semester.
He estudiado inglés durante cinco años.
I have studied English for five years.
He estudiado con el Maestro siglos antes que tú.
I studied with the Master centuries before you.
— Ne Zha (2019)
He estudiado los cómics a fondo.
I have studied comics thoroughly.
I have studied French.
El examen es mañana y todavía no he estudiado nada.
The exam is tomorrow and I haven't studied anything yet.