英文祝贺信的基本要素

信头，称呼，正文，结束语，签名。

信头包括写信人地址和写信日期，通常写在信笺的右上角。称呼指写信人对收信人的称呼。正文这是书信的主体部分，即写信人要表达的内容，正文要求文字通顺，层次分明，表意清楚，可以手书，也可以打写。结束语是书信结尾的恭维话。签名通常签在结束语下方的中间偏右的位置。

I think you will be my best friend

I need you be my friend more than boyfriend

A good girl is waiting for you ,but that's not me

I like you ,I know you are a good boy ,

but I don't love you I am so sorry

Be my friend ,you will,will you

Dear Wang,

What a joy! Today it's your birthday and apart from saying happy birthday and wishing all the best – as part of habit and good manners – I would dare saying that today is a day for celebration! Celebrate you and your wonderful day

Accept my sincere wishes of a happy birthday I wish you all the best and it pleases me to see you in such good health and happy Please accept my little gift for your birthday I just want to note your sweet day with a little surprise

On a more serious note, I sincerely hope you succeed in your work I also hope that you're very happy, lucky and I can continue to enjoy our special friendship for a long, long time!

Best wishes

David Smith

(他们是朋友)

英文祝贺之后通常可以接的东西很多，例如thanks for your kind wishes。意思是谢谢你的祝福。英文祝贺最常见的是使用祝贺信。

祝贺信是指行政机关、企事业单位、社会团体或个人向其它集体单位或个人取得的成就、获得某种职位、组织的成立、纪念日期表示祝贺的一种专用书信。

今天祝贺信已成为表彰、赞扬、庆贺对方在某个方面所作贡献的一种常用形式，它还兼有表示慰问和赞扬的功能。它是从古代祝辞中演变而来的，它既可以宣读，也可以通过邮寄送达对方。

贺朋友大学毕业

GaoLu

I learned from Mr Wang that you were graduated with high honours from Qing Hua University yesterday I can well imagine how proud of you your parents are now, who have been anxiously hoping to witness your brilliant success As I understand, you will continue studies in the United States soon, I wish you greater success in your studies and research work,

With best wishes,

Chen Fangzhou

贺朋友大学毕业

高路

从王先生处得悉你以优异的成绩毕业清华大学，我可以想像，你的父母亲现在怎样地引以为荣。他们一直殷切地希望你获得辉煌的成就。我听说你不久要到美国去继续深造，预祝你在学习和研究工作上取得更大的成就。

程方洲

你没有提供详细的信息，所以没法写，这个是在实用英语网上找的。

你将就用，自己按实际情况改一下。