1、開頭：簡單交代對何事進行道歉
2、正文：解釋事情發生的原因，消除誤會或矛盾。
3、結尾：再次表示遺憾和歉意，表明願意補救的願望，提出建議或安排。
4、道歉信是要向對方陳述無法答應的所請所託的原因，對不願為的事，可宣告自己的一貫主張，對不能為的請託，更應陳述理由，說明自己為什麼不能為。
1、開頭：簡單交代對何事進行道歉
2、正文：解釋事情發生的原因，消除誤會或矛盾。
3、結尾：再次表示遺憾和歉意，表明願意補救的願望，提出建議或安排。
4、道歉信是要向對方陳述無法答應的所請所託的原因，對不願為的事，可宣告自己的一貫主張，對不能為的請託，更應陳述理由，說明自己為什麼不能為。
道歉信的基本格式由稱謂、正文和署名組成，道歉信的開頭頂格寫上收信人的名字。然後是正文，簡單交代對何事進行道歉，解釋事情發生的原因，消除誤會或矛盾。再次表示遺憾和歉意，表明願意補救的願望，提出建議或安排。最後寫上寫信人的姓名和日期。
道歉信是要向對方陳述無法答應的所請所託的原因，對不願為的事，可宣告自己的一貫主張，對不能為的請託，更應陳述理由，說明自己為什麼不能為。
寫道歉信要將事情原委解釋清楚。說明情況與理由，要實事求是、簡明扼要。態度要誠懇、用詞要婉、語氣要溫和得體。
道歉信語氣要誠懇，說明清楚為何你覺得要道歉以及日後你希望怎樣補救，不要忘了檢討自己和感謝對方。
審：人稱：第一人稱.時態：一般過去時.體裁：道歉信
列：failed to attend your birthday party.the day before yesterday.the final exam.was occupied preparing for the exam.forget the appointment.have a get- together.make up for my careless mistake.accept my sincere apologies
潤：定語從句：as I had promised時間狀語： On receiving your invitation, I felt extremely happy and excited.so...that...:I was so occupied preparing for the exam that I forgot the appointment.
so that:Could we find a suitable time to have a get- together so that I can make up for my careless mistake.主語從句：It is much to my regret that I missed the chance.
範文：Happy birthday to you. I’m sorry that I failed to attend your birthday party the day before yesterday as I had promised.On receiving your invitation, I felt extremely happy and excited. Unfortunately, with the final exam around the corner, I was so occupied preparing for the exam that I forgot the appointment. I can imagine how disappointed you were when I didn’t turn up. Anyway, the exam over, could we find a suitable time to have a get- together so that I can make up for my careless mistake?It is much to my regret that I missed the chance. Once again, please accept my sincere apologies!