you could have
Could you have done it?
Se non fossi entrato in polizia avresti potuto diventare un poeta.
If you hadn't joined the police, you could have become a poet.
— L'impero delle ombre (2016)
Avresti potuto chiedere allo sbirro, se fosse stato ancora vivo.
You could have asked the cop, if he was still alive.
— Le iene (1992)
Could you have done it?
Avresti potuto ucciderci entrambi.
You could have killed us both.
You could have warned me.
Avresti potuto contarle Io stesso, ne hai avute solo sei.
You could have counted them yourself, you only had six.
— La grande bellezza (2013)
You could have done it.