1、投诉信
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
感谢信的结尾常用句式和套话
I must thank you again for your generous help.
6、 建议信
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.
Yours sincerely，原来还有一个「倒装」的版本，就是Sincerely yours。跟上面各种写法一样，第一个字以大草字母（S）开始，后面的字就以小草字母（y）开始。一般来说，Sincerely yours在美国人的书信中较常用。如果嫌Yours sincerely和Sincerely yours太长，还可以用「极简」版本，就是单一个字Sincerely。