Use of 'seem' / seemの用法

★It seems only yesterday that your mother and father were in here buying their first wands.

(Harry Potter Ep1 / Ollivander)

→杖専門店店主のオリバンダーが杖を買いにきたハリーに向かって言う台詞。ここで「〜のようだ」と思っているのは今なのでseemed(過去形)でなはくseems(現在形)。