This is the 85th most frequent Portuguese word.
sido
"Sido" is the past participle of the verb "ser," meaning "been."
In this sentence, 'sido' is used as the past participle of the verb 'ser' (to be) in the present perfect tense 'tem sido' (has been), indicating an ongoing or recent action.
Ela tem sido muito gentil recentemente.
She has been very kind recently.
Here, 'sido' is the past participle of 'ser' (to be) and forms part of the past perfect tense 'tinha sido' (had been), showing an action completed before another past action.
Eu não sabia que isso tinha sido decidido tão rapidamente.
I didn't know that it had been decided so quickly.
In this example, 'sido' is used in the phrase 'tem sido' to refer to an ongoing situation, implying continuity or effort over time.