建議信

Dear XXX,

I am ... who... Generally speaking, ... are quite good; however, I have some better suggestions for you.

Firstly, it would be greatly appreciated if you could..., because...; Moreover, 原因, so it is advisable for you to put emphasis on ...

I hope that you will find these suggestions helpful.

Sincerely yours,

Li Ming

投訴信

Dear XXX,

I am ... who... I am writing to make a complaint about....

具體事由. To resolve the problem, it is advisable for you to …, because I have…

I hope that my problem will get your kind consideration.

Yours sincerely,

Li Ming

咨詢信

Dear XXX,

I am ... who... I am writing this email to inquire some advice about ...

Firstly, it would be greatly appreciated if you could ..., because ... Secondly, since ..., I would like to know if ... Besides, I would be grateful if you could give me some other advice regarding ...

I am looking forward to a reply at your earliest convenience.

Yours sincerely,

Li Ming

道歉信：

Dear Sir or Madam,

I am writing to express my apology to you, because I have …

… To make up for the problem, I will … If necessary, I will compensate for any troubles it may cause.

Once again, I feel so sorry for any inconvenience caused. Please accept my sincere apologies.

Sincerely yours,

Li Ming

感謝信

Dear XXX,

I am writing this letter to express my sincere gratitude to you for ....

簡述經(jīng)過，對(duì)方的具體幫助

Once again, thank you for your help. I hope that I will have the opportunity to return your charming help.

Sincerely yours,

Li Ming

備注：Sincerely yours 和 Yours sincerely的區(qū)別

總體來講，兩個(gè)都可以用，只不過一個(gè)比較 formal （正式）；一個(gè)比較 informal（非正式），建議給朋友寫信時(shí)用 Sincerely yours，跟老師寫信時(shí)用 Yours Sincerely。

另外因?yàn)槭謾C(jī)篇幅展示原因，本文顯示Sincerely yours和 Yours sincerely及Li Ming均居左對(duì)齊，考試時(shí)書寫文章注意要居右對(duì)齊。