se tu fossi

if you were

→ se
phrase Rare #31,399
if you were Used to introduce a hypothetical or unreal situation. Fòssi is the imperfect subjunctive form of essere (to be), used with tu.
IT: Se tu fossi qui, parleremmo tutta la notte.
EN: If you were here, we would talk all night.

Se tu fossi mio figlio, ti apprezzerei.

If you were my son, I would appreciate you.

— Peaky Blinders - The Immortal Man (2026)

Sarei contenta qui, se tu fossi con me.

I would be happy here, if you were with me.

— Mademoiselle (2016)

Se tu fossi qui al nostro posto, torneresti sulla Terra?

If you were here in our place, would you return to Earth?

— Salyut 7 - La storia di un'impresa (2017)

Se tu fossi bloccato su un'isola deserta.

If you were stranded on a desert island.

— Passengers (2016)

Se tu fossi nei miei panni, cosa penseresti?

If you were in my shoes, what would you think?

Se tu fossi al posto mio che faresti?

If you were in my place what would you do?

— Love Actually - L'amore davvero (2003)