道歉信首段：重述自己做错的事，表示歉意。
道歉信主体段落：说明道歉的具体原因，应尽量详细描述做错事的经过。写信时应该注意在申述理由时要照顾读信人的感受，切忌强词夺理。
道歉信结尾段：再次表明承认错误的态度，请求收信人的谅解。也可以提出补救的办法。
道歉信模板句型：
I would like to give you my apology for……
对于……我向你道歉。
Please accept my sincere apology for……
请接受我关于……的真诚道歉。
I am indeed very sorry for what I said/did，but believe I had no intention to insult you.
对于我说的话/做过的事，我确实感到很抱歉。但请相信，我并非要故意侮辱你。
Let''s not put a little misunderstanding between us.
可别让我们之间存在哪怕一点点的误解。
Please forgive me for a stupid choice of words.
请原谅我的用词不当。
I feel badly sorry about it and want you to know what happened.
我为此感到非常内疚，所以想让你知道实情。
Please accept my apologies for my oversight.
请原谅我的疏忽。
Please allow me to say sorry again.
请允许我再次表示歉意。
I sincerely hope you can accept my apologies and understand my situation.
我真心希望你能理解我的处境，并接受我的道歉。
Once again，I''m sorry for any inconvenience caused.
再一次，我为所有的不便表示歉意。
英文道歉信经典范文：
Dear professor Jackson：
I am indeed very sorry that I missed the examination you gave on Moby-Dick last Wednesday. I feel badly about it and want you to know what happened.
On my way to class that day，I had a flat tire，and I had to go with the mechanic when he repaired it. It took me more than one hour to get it done. A copy of the bill is enclosed.
I sincerely hope you can accept my apologies and understand my situation. I would appreciate your allowing me to take a make up examination. I will #e to your office during your office hour on Monday to discuss this possibility with you. Once again，I''m sorry fro any inconvenience caused.
Sincerely yours，
Alice
译文
亲爱的杰克逊教授：
对于上周三错过了《白鲸》一课的考试我深表歉意。我很内疚，所以希望您能知道到底发生了什么。
那天上学的路上，我的汽车爆胎了。我不得不去找汽修工一起修理，花了一个多小时的时间才修好。我已经将账单放在附件中。
我真心希望您能理解我的处境，并接受我的道歉。我希望你能给我一次补考的机会。星期一上班时间，我将到您的办公室和您谈这件事的可行性。我为造成的不便再次表示歉意。
您的学生：艾丽丝