sono stato io a

I was the one who

→ essere
phrase Rare #25,281
I was the one who Emphasizes that the speaker was the person who did something. A female speaker says “sono stata io a.”
IT: Sono stato io a rompere il vaso.
EN: I was the one who broke the vase.

E dì loro che sono stato io a dirlo.

And tell them I was the one who said it.

— Malcolm X (1992)

Sono stato io a dirle di farlo.

I was the one who told her to do it.

— Marty Supreme (2025)

Sono stato io a gridare "Al ladro!"

I was the one who shouted, “Thief!”

— Kiki - Consegne a domicilio (1989)

Sono stato io a presentare Tom a sua moglie.

I was the one who introduced Tom to his wife.

Sono stato io a ucciderlo.

I was the one who killed him.

— La fiamma del peccato (1944)

Sì, sono stato io a rubare la Perla dello Spirito.

Yes, I was the one who stole the Spirit Pearl.

— 哪吒之魔童降世 (2019)