第一段首先亮出写作目的并简单阐述该物品的状态：I am writing to make an apology to you for+句子(表明事件因由)。
第二段列出出错的原因及具体补救办法：To make up my fault, ......\ I will......as a token of my apology\ I sincerely apologize for my careless mistake as well as for any inconvenience thus caused to you.
第三段再一次表达歉意：Once again, I am sorry for my carelessness. Looking forward to your reply.
第一段需写写信的目的以及自己的一个概括的期望：常用套话比如I venture to write to complain about ……+定语从句;I would be grateful if you could do anything necessary to solve the problem facing me.
第二段阐述两、三方面所面临的产品或服务的问题及后果：there are several aspects underlying this complaint. For one thing,......For another,......In addition,......
第三段给出具体的期望，比如退款或更换新产品：It is my sincere hope that you could give me full refund or replace it with a new one. Your kind reply to this letter at your earliest convenience would be very much appreciated.
第一段概括说要推荐的内容：I am writing to you to recommend .I have sufficient reasons to introduce this to you and I dare say this is the best I have ever seen.
第二段叙述推荐的东西的价值，可以从表面和深层两方面来写：This movie/book/city的主题或城市坐落于哪里。What is more, 情节吸引人、里边景色引人入胜。Finally, this movie will definitely change our attitude toward this world and the people around us. We will learn that......
第三段总结句：Therefore I don’t hesitate to recommend this to you. I am sure you will enjoy the。
第一段首先致谢：I am grateful to be employed as 职位+时间。Thank you for your kind attention and I would appreciate the opportunity of having worked here.
第二段表明自己要辞职，列出原因，比如离家远想换到更近的位置;工作不适合自己等等。现在给大家一个例子：However, I regret having to resign from my position. The reason for changing my working plan is that I have expected the job to be interesting and challenging, which turns out to be the opposite. As a young man full of enthusiasm, I therefore decide to quit this job for something else.可以根据自己的具体情况给出自己的理由，切不可千篇一律。
第三段简单表明希望得到允许、歉意及祝福：I sincerely hope that you approve of my resignation. I am sorry for any inconvenience caused. Wish you and your company great success in the future.
第一段概括写出写信的大致内容：I am writing here to provide some advice to improve......\You have asked me for my advice concerning/with regard to......
第二段详述具体的建议，可分条阐述：To begin with,......Besides,......Moreover,......
第三段总结段：I hope you will find these suggestions useful and I would be ready to discuss this matter with you to further details. I am looking forward to your reply and wish you a good work.
第一段：I am looking for a position in 专业 department in which I may use my training in 专业 to solve 专业 problems. I am writing the letter in purpose of applying for your recently advertised position for a staff member.
第二段表明自己符合该职位。I am sure that I am qualified for it. First, enclosed with this letter is my resume, which further details my previous academic qualifications and working experience. Second, I am young, enthusiastic and sociable, and these personalities also make me a perfect candidate for it. Last, my hobbies include......
第三段盼能给以面试机会并表示感谢：I wish you would give me an opportunity to be interviewed. I can be reached by calling me or the address on the envelope. I would appreciate it very much if you could consider my application favorably at your earliest convenience and give me a reply.