to have said that
She can't have said that.
Eu gostaria de não ter dito isso ao Tom.
I wish I hadn't said that to Tom.
Eu me arrependo de ter dito isso.
I regret saying that.
Eu não deveria ter dito isso a Tom.
I shouldn't have said that to Tom.
Eu não sei se deveria ter dito isso a ela.
I don't know if I should have said that to her.
Eu queria não ter dito isso na festa.
I wish I hadn't said that at the party.
I regret having said that.
Não deveria ter dito isso a Tom.
I shouldn't have said that to Tom.