邀請函包括宴會、舞會、晚餐、聚會、婚禮等各種邀請信件，形式上大體分爲兩種:一種爲正規的格式 (formal correspondence;一種是非正式格式 (informal correspondence)。
邀請信一定要將邀請的時間(年、月、日、鐘點)、地點、場合寫清楚，不能使接信人存在任何疑慮。
例如:“I’d like you and Bob to come to Luncheon next Friday.”這句話中所指的是哪個星期五並不明確，所以應加上具體日期, “I’d like you and Bob to come to luncheon next Friday, May the fifth.”
1. 邀請朋友共進午餐 Inviting a friend to informal luncheon
Dear :
Will you come to luncheon on , at ?
My niece is visiting us and I think you will enjoy meeting her. She is a charming, very pretty girl … and very good company! will be here, and perhaps we can after luncheon. Do say you’ll come!
Affectionately yours,
Li Ming
親愛的:
您能在 來吃午飯嗎?
我侄女正在我們家中作客，我想您會樂於見到她的。她是個漂亮而聰明的女孩子，……同她在一起是很使人高興的!也到這裏來，也許在飯後我們能，說好，一定得來呀!
2. 邀請朋友同他們不認識的.人一起共進晚餐 Inviting friends to supper with the strangers
Dear :
I know you are interested in , so I’m sure you’ll be interested in ! They are coming here
to supper , and we’d like you and to come, too.
are that very charming couple we met in last summer. They have a wonderful collection of ; and I understand that Mr. Lin Dun is quite an authority on . I’m sure you and Walter will thoroughly enjoy and evening in their company.
We’re planning supper at six; that will give us a nice long evening to talk. If I don’t hear from you before then, I’ll be expecting you on the !
Affectionately yours,
Li Ming
親愛的:
我知道您對是有興趣的，所以我相信您對林頓夫婦也會感興趣。他們將在來吃飯，我們很希望您和瓦爾特也能同來。
是那麼好的一對夫妻。我們是去年夏天在認識的。他們集有。我知道，林頓先生在研究方面是頗有權威的。我深信，那天晚上您和瓦爾特同他們在一起，一定會很愉快。
我們準備在6點鐘吃晚飯，這樣就能有較長的時間閒談。如果事前接不到您的回信，我就指望你們那天到來。
3. 邀請來家中小住及週末聚會 An invitation for a house and weekend party
Dear :
I hope haven’t any plan for the weekend of as we’d like you to spend it with us at . It’s simply beautiful here now, with everything in bloom!
I think we can promise some good fishing this year. The fish are biting better than ever! So bring your fishing clothes; and be s
ure to bring your tennis things, too, because are coming and I’m sure you’ll want to get out on the courts with them.
There’s a very good train ; I’ve marked it in red on the timetable. It gets you here about which is just in time for dinner. You can get a late train back , or there’s an early express that usually takes on .
We hope nothing will prevent you from coming, as we’re looking forward to your visit … and I know are looking forward to seeing you again, too. Be sure to let us know what train you are taking so that can meet you at the station.
Affectionately yours,
親愛的:
如果您沒有什麼活動安排，我希望能同我們一起在共度週末，那裏已經鮮花遍地，現正在最美麗的時節。
我想，今年我們能讓釣魚釣得更快活。魚兒比過去任何時候都愛上釣魚。請把釣魚的服裝帶來，也別忘記帶上打網球的用具，因爲我們還邀約了夫婦，我想，你們是樂意同他們打網球的。
有一班舒適的火車，我已經在火車時刻表上做了紅色記號，火車大約在把你們送到這裏，正是吃晚飯時間。你們可以乘晚車回來。或者，在也有一班快車，就是常坐的那一班車。
我們希望沒有什麼事情會阻礙你們，我們在等待着你們光臨……我知道好盼望再次見到你們。準備乘哪一班火車，請一定告訴我們，好讓到車站迎接你們。
4. 邀請參加招待會 An invitation for a reception
Dear :
It would give great pleasure to have your presence at a reception in honor of the Chinese delegation.
The reception will be held in the , on . Cocktails will be served promptly at to be followed b dinner at .
sincerely hope you can attend. Let know.
Sincerely yours
親愛的:
如您能夠出席爲而舉行的招待會，將感到十分榮幸。招待會定於在舉行。準時舉行， 隨之在舉行。期待着您的光臨。請提前通知您能否出席。
5. 邀請演講 Inviting someone to address a meeting
Dear :
would like to extend to you an invitation to be our guest speaker at the to be held at the at o’clock, .
As you know, the department is interested in Since you are familiar with the field, we know your views will be extremely interesting to us.
You will receive further details later, but we would appreciate having your acceptance soon so we may complete our agenda.
Cordially,
親愛的:
特邀請您出席召開的並作演講。
正如您所瞭解的，對。您對此領域很熟悉，您的見解定會給我們帶來很大的興趣。
我們將隨後把有關細節通知您，但懇請您儘快予以答覆，以便作出安排。
6. 邀請參加新廠開工典禮 Invitation to opening ceremony of new factory
Dear :
Our new factory will be commencing production on and we should like to invite to be present at a celebration to mark the occasion.
As you will appreciate this is an important milestone for this organization, and is the result of continued demand for our products, both at home and overseas. We are inviting all those individuals and trust that you will pay us the compliments of accepting.
Please confirm that you will be able to attend by advising us of your time —— we can arrange for you to be met. All arrangements for your stay will, of course, be made by us at our expense.
Yours faithfully,
親愛的:
本公司新廠將於開始投產，希望能邀請來參加新廠開工典禮。
如您所知，新廠的設立是本公司的一個里程碑，而這正是海內外對本公司產品不斷需求的結果。我們邀請了所有對本公司的成功貢獻一切力量的個人，我們相信，您一定會賞光。
如您確能參加，請來函告知您抵達的時間 —— 以便我們爲您安排會晤。當然，所有安排您在夜宿的費用，皆將由公司代您支付。
