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 heart felt 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.
一：信头（Heading）
指发信人的单位名称、地址、发信日期。考试时候不要求写出。
格式：从信纸的上部中央往右写，第一行写单位名称，第三行写门牌号码、街名，第三行写市名、省名、国名，第四行写发信日期。学生写信时第一行写班级名称，第二行写学校名称，第三行写市、省名，第五行写国家名称，第六行写发信日期。国内信件国名可以不写。
二：信内地址(Inside Address)
指收信人的姓名、单位和地址。考试时候不要求写出。
格式：信头下隔一二行，从左边开始写，第一行写姓名、头衔，第二行写单位名称，第三行写门牌号及路名，第四行写市名、省名及邮政号码，第五行写国名。
商业往来信件及公函必须写信头和地址。亲友、熟人之间的信可不写信内地址，信头处写发信日期就行了。
三：称呼(Salutation)
格式：信内地址下隔一二行写称呼，其左要与信内地址第一行对齐。对不相识的男子，单数常用“Sir”, “Dear Sir”, 或“My Dear Sir”；复数常用 “Dear Sirs” 或“Gentlemen”。 对女子，单数常用 “Madam”，“Dear Madam”或“My Dear Madam”；复数常用“Mesdames”或 “My Dear Mesdames”；对比较熟识的男子，普通称 “Dear Mr. ……”; 女性通常称“DearMrs. (或Miss)……”。熟人和亲人常直呼其名，不用姓氏（以 “Dear”为例）：1)“Dear David”；2)“My dear David”；3)“My David” 4)“My dearest David”；5)“My Dearest”；6)“Darling David”；7)“My Darling”；8）“My very own darling”等。有头衔的可把头衔写放在名字前，如“Prof Wang”， “Dr Lin”等。
四：正文（Body of Letter）
格式：称呼下面隔两行开始写正文。每段第一个字母要缩进3至5个字母的空格。正文是信的主要部分，内容要简单明了，一般不用同汉语信一样的“你好（how are you?）”之类的词。
五：结束语（Complimentary Close）
结束语是写信人对收信人的谦称，写在正文下面二三行处，从中间写起，第一个词不达意的开头字母要大写，末尾用逗号。给不相识的人可用：
“Yours truly”或“Truly yours”
“Yours faithfully”或“Faithfully yours”
“Yours Sincerely”或“Sincerely yours”
给上级或长者可用：
“Yours respectfully” 或“Respectfully yours”
“Yours obediently”或 “Obediently yours”
“Yours”, “Yours ever”, “Ever yours”, “Yours as ever”或 “Yours sincerely”
给亲属或挚友的信可用：
“Yours affectionately”, “Lovingly Yours”, “Your loving son(child, sister…)”, 或”Yours devoted friend”等。结束语末尾要用逗号。
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