as soon as ... arrives
Tom sarà stanco appena arriva a casa.
Tom will be tired when he gets home.
Ce ne andremo appena arriva Tom.
We'll leave as soon as Tom arrives.
Cominciamo appena arriva a casa.
We'll start as soon as he/she gets home.
Appena arriva digli che è un cretino.
As soon as he arrives, tell him he's an idiot.
— La dolce vita (1960)
Gli dia questo messaggio appena arriva.
Give him this message as soon as he arrives.
Gli darò questo messaggio appena arriva.
I'll give him this message as soon as he arrives.
We'll start as soon as he/she arrives.
Si metta in contatto con me appena arriva qui.
Please contact me as soon as you get here.
Di solito Tom fa i compiti appena arriva a casa.
Tom usually does his homework as soon as he gets home.
Gli uccelli cantano non appena arriva il mattino.
The birds sing as soon as morning comes.