This is the 37th most frequent Spanish word.
sido
"Sido" is the past participle of the verb "ser," meaning "been."
This sentence uses 'sido' in the present perfect tense as the past participle of 'ser,' indicating a completed action describing an identity or state.
He sido un estudiante dedicado.
I have been a dedicated student.
Here, 'sido' again functions as the past participle of 'ser,' used in a question to inquire about the nature or characteristics of an experience.
¿Cómo ha sido la experiencia hasta ahora?
How has the experience been so far?
'Sido' in this sentence reflects a past condition or state, used in the present perfect tense to describe what adapting has been like.