"We'll just take our time as we normally do. We'll wait and see how things unfold," Fergie told MUTV on Saturday evening.
"It's disappointing but nationalities come into it in terms of him [Queiroz]being an emotionally fervent Portuguese man and the attraction being too big.
"But he did a great job for us and that's why he'll be remembered. He's gone with our best wishes.
"He did a terrific job for us and a lot of the innovations we've had over the last few years are down to Carlos."