1：请求信

　　Dear___________,

　　I am writing to formally request to___________(请求的内容)

　　The reason for ______________is that______________________________（给出原因）.I________, so I ___________________________________(给出细节)

　　I would also like to request ________________________(提出进一步的要求). I am sorry for any inconvenience I have caused.

　　Thank you for your attention to these requests. If you have any questions, do not hesitate to contact me at____________(电话号码). I look forward to a favorable reply.

　　

2：投诉信

　　Dear_______,

　　I am_______.(自我介绍)I feel bad to trouble you but I am afraid that I have to make a complaint about_______.The reason for my dissatisfaction is_______(总体介绍). In the first place,_______(抱怨的第一个方面). In addition,_______(抱怨的第二个方面). Under these circumstances, I find it_______(感觉)to_______(抱怨的方面给你带来的后果).

　　I appreciate it very much if you could_______(提出建议和请求),preferably_______(进一步的要求),and I would like to have this matter settled by_______(设定解决事情最后期限).

　　Thank you for your consideration and I will be looking forward to your reply.

3：询问信

　　Dear______,

　　I am______(自我介绍).I am writing to see if it is possible for you to provide me with information regarding______.(要询问的内容)

　　First of all, what are______?(第一个问题) Secondly,when will______?(第二个问题) Thirdly, is______?(第三个问题)

　　I would also like to inquire______(将最重要的问题单独成段).Could you be so kind as to send me some relevant booklets on the above-mentioned aspects?

　　Thank you for you kindness, and your prompt attention to this letter will be highly appreciated.