在国际交往以及日常的各种社交活动中，这类书信使用广泛。
关于邀请函的作文范文一：
Dear Sir
I am writing this letter to invite you to be the judge for our English speech contest held by the English Club and sponsored by the Foreign Language School on Friday evening in the student center.
You are the most popular foreign teacher among students for your perfect London accent and the dedication to the teaching cause, so your coming to this competition will be our great honor and will make Friday evening a wonderful night.
The contest will begin at 19:00 o’clock. I will wait for you at the center entrance. If you have any question you can give me a call. We are looking forward to your participation in this contest.
Yours sincerely,
Li Ming
【翻译】
亲爱的老师：
我诚挚地邀请您来参加由外国语学院主办、英语俱乐部承办的英语演讲比赛。这次比赛将于本周五晚上在学生活动中心举行。
您完美的伦敦口音和您的敬业精神使您成为学生中最受欢迎的外教老师。您能担任评委将是我们的荣幸，这也一定会使周五的夜晚成为一个精彩的夜晚。
比赛于下午七点开始，我将在中心入口等您。您有任何问题都可以给我电话。我们期待您的参与!
李明
谨上
关于邀请函的作文范文二：
Jiefang Road
Oct. 16， 20××
Dear Mike，
I'm going to the cinema next Sunday morning to see “ A Dream of Red ” ， and I have two tickets. Would you like to come?
The film starts at 9：00. Maybe we can meet at the gateway of the department store and have breakfast before the film starts.
Please give me a call if you can come. I'm at home in the evening.
Looking forward to seeing you.
Love，
Li Lei
关于邀请函的作文范文三：
Can you come to our New Year Party
I want to invite everybody to visit our New Year Party in Class 1, Grade 8 ,No. 40 Middle School
The New Year Party will be on the morning of Thursday February 1st 20×× at 10:00
Everybody is ready to a program,for example ,singing ,dancing ……and so on
I ask everybody to bring food and drink .
And i would like to everybody bring a gift for the New Year Party
Please reply in writing to this invitation by friday