1、 投诉信

　　1)、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 …

　　2)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

　　1)、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 …

　　2)、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

　　1)、请求信的开头常用句式和套话 I am writing to seek for your assistance in …

　　2)、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

　　1)、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 …

　　2)、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

　　1)、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 …

　　2)、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

　　1)、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.

　　2)、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 …

　　3)、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

　　1)、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 …

　　2)、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 …