一． 作文类型：感谢信(thank)，祝贺信(congratulation)，道歉信(apology)，邀请信(invitation) 倡导信（建议信）(uggetion); 投诉信（complaint），询问信（inquiry）请求信（require）婉拒信(decline)，求职信（application），推荐信(recommendation)，公告（notice）备忘（memo）,
二． 作文格式：三三原则1.三个逗号；2.三个段落；3.三个永恒
1. 三永恒：Jan.9th, 2011,Dear XX,Your,
2. 三逗号：日期中，称呼后，署名后
3. 三段式：首段说明写信意愿和目的+第二段展开内容+末端呼应首段，再一次强调写信用意，并表达祝愿。
三． 作文格式注意事项：
1.日期的格式和位置；-----Jan.9th,2011 在右上角
2.称呼的格式：Dear Sir, Dear Madam Helen, Dear John, Dear Profeor Smith,男士：Mr. 女士：Mr./ M./Mi教授、博士：Prof./Dr.
市长，法官，议员，其他高官：Hon.(Honorable,尊敬的)
编辑：Editor
不清楚对方姓名：Dear Sir/Sir, Dear Madam/Madam, Dear Sir or Madam, To Whom It May
Concern,
3. 署名的格式：右下角，Your incerely, Sincerely your, Sincerely,
4.正文开头空四格
A letter of Congratulation
Jan.10th, 2011 Dear Jack,
I am o delighted to hear that you have jut been admitted into the pretigiou Peking Univerity. Pleae accept my heartiet congratulation to you![由wWw.HaozuoWen.com整理]
Thi i a pecial moment for you and all the friend a well a relative, and I do want to hare the happine with you.After year of hard and creative work and tudy, you have finally got what you really deerve. I’m convinced that thi will be a new beginning, a chance for you to embrace a broader future.
I wih you good luck and keep puruing a brighter future.
Sincerely your,LiMing