is laughing
Tom sta ridendo di te.
Tom is laughing at you.
Why is he laughing?
Why isn't he laughing?
Perché sta ridendo di Tom?
Why is he laughing at Tom?
Tom sta ridendo.
Tom is laughing.
Tom sta ridendo di lei.
Tom is laughing at her.
Who is laughing now?
Tom sta ridendo di me.
Tom is laughing at me.