Context: I forgot that I had made plans with my mother over the weekend. We had been planning it for a few days I feel awful.
Speaker 1: I forgot about plans that I had made with my mother over the weekend.
Speaker 2: How could you? Oh dear now you would have to apologise
Speaker 1: I called her right up and we rescheduled! I felt so bad though.
Speaker 2: I am glad that you were able to reschedule