1、致歉信

道歉信中开头段常用句式和套话：

I am writing this letter to express my regret…

写这封信是为了表达我的遗憾…

I am writing to apology for …

我写信道歉…

I would like to give you my apology for…

我想向你道歉…

I am very sorry to say that …

我很遗憾地说…

I must apologize about (not) doing sth…

我必须为我做的事道歉…

道歉信中结尾段常用句式和套句：

Once again, I am sorry for any inconvenience caused.

再次对造成的不便表示歉意。

Please allow me to say sorry again.

请允许我再说一次对不起。

Hope you can accept my apologies and understand my situation.

你可以接受我的道歉，了解我的处境。

I sincerely hope that you will be able to think in my position and accept my apologies.

我真诚地希望你能以我的身份思考并接受我的道歉。

I want to let you know how regretful I am feeling now.

我想告诉你我现在有多后悔。

2、感谢信

开头段常用句式和套话：

I am writing to extend my sincere gratitude for …

我写信是为了表达我对……的衷心感谢。

I would like to convey in this letter my heartfelt thanks to you for…

我想在这封信中表达我对你的衷心感谢...

I feel deeply indebted to you and I really don’t know how to thank you enough for your help.

我非常感激你，我真的不知道该如何感谢你的帮助。

感谢信结尾常用句式和套话：

I must thank you again for your generous help.

我必须再次感谢你的慷慨帮助。

I am most grateful for your selfless donation.

我非常感谢你无私的捐赠。

My true gratitude is beyond my words.

我无法用语言表达我真正的感激之情。

I feel most obliged to thank you once more.

我很感激再次感谢你。

3、建议信

写作“三步走”：自我介绍、说明目的->委婉地提出建议及改进措施，或提出忠告->礼貌地总结或期盼回复

Date

Dear——

1.I am delighted to learn that——(写信的原因)

2.It——(引出作者的建议)

3.In my opinion——(表达建议内容)

4.On the one hand——(提出建议的理由一)

5.On the other hand ——(建议的理由二)

6.As to the——, I suggest——(具体到某一方面的建议内容)

7.If ——(供被建议人选择的条件)

8.It is unnecessary for you to——(建议内容的另一方面)

9.In addition,——(其它的建议)

10.I am sure——(对建议内容的评价)

11.Please inform me ——(对建议内容所做出的承诺)

12.I am looking forward to ——(表达个人的愿望)

4、邀请信

Dear______I will be holding ________ at ______on_________ in order to __________. As youare a close friend of our family, my parentsand I would very much like youto join us in____andshare our joy.

The occasion will start at _____, and activities include______ , _____and____ . In addition,

there will be _________ . I am sure you will enjoy a good time.My family would feel honored by your presence.