si stia

is ...ing

→ si
phrase Rare #31,820
is ...ing Used with a gerund to describe an ongoing action; the subjunctive form stia commonly follows expressions of thought, doubt, or emotion. Si may be reflexive or have another role depending on the verb.
IT: Spero che si stia divertendo.
EN: I hope he’s having fun.

Non so perché si stia agitando così tanto.

I don't know why he's getting so worked up.

— Together (2025)

Sembra che Tom si stia stancando.

It looks like Tom is getting tired.

Spero che Mary si stia comportando bene.

I hope Mary is behaving well.

Peccato che si stia perdendo tutto questo.

It's a shame that all of this is being lost.

— Good Bye, Lenin! (2003)

Io penso che Tom si stia preparando.

I think Tom is getting ready.

Penso che il vento si stia indebolendo.

I think the wind is dying down.

Sembra che Tom si stia veramente divertendo.

Tom looks like he's really enjoying himself.

Pensa che solo l'FBI si stia occupando di lui?

Do you think the FBI is the only one dealing with him?

— Prova a prendermi (2002)