Many a times it happened that we face a hard time in our relations and made some mistakes that might create a gap or even some times the situations are unavoidable but then if we realize our mistake it is good to express the apologies for our mistakes. A sorry letter is then a best way to express your feelings. You only need to be true and clear while accepting your mistake. Here is a sample sorry letter to sister: Merry Doth, 90, Saint Peter’s Lane, Boston. 13 th May, 2010. Dear Merry, I am really sorry for not attending your wedding as it was the same time when my medical exams started. I know I had disappointed you by my absence but you that this is my final semester and I can’t miss my exams. Even I was feeling very bad about it as I had many plans for your marriage. I still remember the day when I got the news of your wedding, I declared myself the bridesmaid and I even started planning for the wedding party. Do you remember the shopping that we did for your wedding and all t...