Respuesta :
That is an Americanism.
The correct standardized British form of the verb get is Get-Got-Got, however, in the US, gotten is the more used form of the past participle making it Get-Got-Gotten.
The correct standardized British form of the verb get is Get-Got-Got, however, in the US, gotten is the more used form of the past participle making it Get-Got-Gotten.