1、投诉信

　　投诉信的开头常用句式和套话

　　I am writing to inform you that I am dissatisfied with your …

　　投诉信的结尾常用句式和套话

　　I understand you will give immediate attention to this matter.

　　I would like to have this matter settled by the end of …

　　2、询问信

　　询问信的开头常用句式和套话

　　I would be most grateful if you could send me information regarding/concerning …

　　I am writing to see if it is possible for you to provide me with information regarding …

　　询问信的结尾常用句式和套话

　　Your prompt attention to this letter would be highly appreciated.

　　I am looking forward to hearing from you. 

　　3、请求信

　　请求信的开头常用句式和套话

　　I am writing to seek for your assistance in …

　　请求信的结尾常用句式和套话

　　I would like to thank you for your generous help in this matter.

　　4、道歉信

　　道歉信的开头常用句式和套话

　　I am writing to apologize for …

　　I am writing to say sorry for …

　　道歉信的结尾常用句式和套话

　　I sincerely hope that you will be able to think in my position and accept my apologies.

　　5、感谢信

　　感谢信的开头常用句式和套话

　　I would like to convey in this letter my heartfelt thanks to you for …

　　感谢信的结尾常用句式和套话

　　I must thank you again for your generous help.

　　6、建议信

　　建议信的开头常用句式和套话

　　I am writing to express my views concerning …

　　You have asked me for my advice with regard to … and I will try to make some conducive suggestions.

　　表达建议常用句式和套话

　　I feel that it would be beneficial if …

　　I would like to suggest that …

　　I would recommend that …

　　If I were you, I would …

　　You may consider doing …

　　It would seem to me that you could …

　　As you may agree that …

　　建议信的结尾常用句式和套话

　　I would be ready to discuss this matter to further details.

　　7、求职信

　　求职信的开头常用句式和套话

　　I am writing to express my interest in your recently advertised position for a waitress …

　　求职信的结尾常用句式和套话

　　Thank you for considering my application and I am looking forward to meeting you.

　　If you need to know more about me, please contact me at … 

　　8、推荐信

　　推荐信的开头常用句式和套话

　　I would like to present … for your consideration in your search for a qualified manager.

　　With reference to your requirements, I shall, without reservation, recommend … as an ideal candidate.

　　推荐信的结尾常用句式和套话

　　Therefore, I don’t hesitate to recommend … as the right person for your consideration.

　　Any favorable consideration to this letter would be considered a personal favor.

　　9、寻找失物信

　　寻找失物信的开头常用句式和套话

　　I am writing this letter to see if it is possible for me to have my camera back.

　　寻找失物信的结尾常用句式和套话

　　I would really appreciate it if you could …

　　10、邀请信

　　邀请信的开头常用句式和套话

　　I am writing to invite you to …

　　I wonder if you could come …

　　邀请信的结尾常用句式和套话

　　My family and I would feel honored if you could come.

　　We would be looking forward to your participation in the party.

　　I really hope you can make it.