stuttering, stammering
Tom sta balbettando.
Tom is stuttering.
He’s stuttering.
He was stuttering.
Tom sta balbettando, vero?
Tom is stuttering, isn’t he?
Because you're stuttering.
He isn't stuttering, is he?
Tom stava balbettando.
Tom was stuttering.
Tom non sta balbettando.
Tom isn't stuttering.