remind sb of doing sth提醒某人做过某事（暗示动作已发生）
remind sb to do提醒某人去做某事（暗示动作尚未发生）
remind sb of sth使某人想起某事
例句：
I’m too busy these days.Please remind me to attend the meeting on Friday.这几天我很忙,请提醒我星期五去开会.
I was going to see the film,but he reminded me of seeing it before.我本来打来打算去看这部电影的,但是他提醒我说我以前看过.（此句也可说成 …but he reminded me that I had seen it before）