1、 投訴信
    投訴信的開頭常用句式和套話
    I am writing to inform you that I am dissatisfied with your …
    投訴信的結尾常用句式和套話
    I understand you will give immediate attention to this matter.
    I would like to have this matter settled by the end of …
    2、 詢問信
    詢問信的開頭常用句式和套話
    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 …
    詢問信的結尾常用句式和套話
    Your prompt attention to this letter would be highly appreciated.
    I am looking forward to hearing from you.
    3、 請求信
    請求信的開頭常用句式和套話
    I am writing to seek for your assistance in …
    請求信的結尾常用句式和套話
    I would like to thank you for your generous help in this matter.
    4、 道歉信
    道歉信的開頭常用句式和套話
    I am writing to apologize for …
    I am writing to say sorry for …
    道歉信的結尾常用句式和套話
    I sincerely hope that you will be able to think in my position and accept my apologies.
    5、 感謝信
    感謝信的開頭常用句式和套話
    I would like to convey in this letter my heartfelt thanks to you for …
    感謝信的結尾常用句式和套話
    I must thank you again for your generous help.
    6、 建議信
    建議信的開頭常用句式和套話
    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.
    表達建議常用句式和套話
    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 …
    建議信的結尾常用句式和套話
    I would be ready to discuss this matter to further details.
    7、 求職信
    求職信的開頭常用句式和套話
    I am writing to express my interest in your recently advertised position for a waitress …
    求職信的結尾常用句式和套話
    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、 推薦信
    推薦信的開頭常用句式和套話
    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.
    推薦信的結尾常用句式和套話
    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、 尋找失物信
    尋找失物信的開頭常用句式和套話
    I am writing this letter to see if it is possible for me to have my camera back.
    尋找失物信的結尾常用句式和套話
    I would really appreciate it if you could …
    10、 邀請信
    邀請信的開頭常用句式和套話
    I am writing to invite you to …
    I wonder if you could come …
    邀請信的結尾常用句式和套話
    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