has already eaten
Have you eaten any cake yet?
Tom ha già mangiato la colazione.
Tom has already eaten breakfast.
Have you eaten yet?
Have you eaten rice yet?
Tom ha già mangiato.
Tom has already eaten.
Have you eaten the cake yet?
Tom ha già mangiato, vero?
Tom has already eaten, hasn't he?
Sai se Tom ha già mangiato?
Do you know if Tom has eaten yet?