I am writing to invite you to…
I'd like to invite you to…
It's my pleasure to invite you to…
具体事项举例：There will be an English Speech Contest in my school this Sunday. (这周日我们学校将会举办英语演讲比赛)
邀请理由举例：since you are so eager to improve your English, it will be a great chance. （既然你如此渴望提高你的英语，这将会是一个好机会）
I'm sure that you will enjoy yourself there.
We will feel honored/happy/surprised if you could come.
I am looking forward to your coming soon.
⑵ 英语邀请信格式 最好有范文（有中文翻译）
邀请信一定要将邀请的时间（年、月、日、钟点）、地点、场合写清楚，不能使接信人存在任何疑虑。例如:“I’d like you and Bob to come to Luncheon next Friday.”这句话中所指的是哪个星期五并不明确，所以应加上具体日期, “I’d like you and Bob to come to luncheon next Friday, May the fifth.”
1. 邀请朋友共进午餐 Inviting a friend to informal luncheon
Dear [Zhang Ying]:
Will you come to luncheon on [Friday, May the fifth], at [twelve o’clock]?
My niece [Mary] is visiting us and I think you will enjoy meeting her. She is a charming, very pretty girl … and very good company! [John and Jane] will be here, and perhaps we can [give a dance] after luncheon. Do say you’ll come!
2. 邀请朋友同他们不认识的人一起共进晚餐 Inviting friends to supper with the strangers
I know you are interested in [oil painting], so I’m sure you’ll be interested in [Mr. and Mrs. Lin n]! They are coming here to supper [next Sunday night, October the twelfth], and we’d like you and [Walter] to come, too.
[Mr. and Mrs. Lin Dun] are that very charming couple we met in [London] last summer. They have a wonderful collection of [oil paintings of various stages]; and I understand that Mr. Lin Dun is quite an authority on [oil painting]. 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 [twelfth]!
3. 邀请参加新厂开工典礼 Invitation to opening ceremony of new factory
Dear [Mr. Harrison]:
Our new factory will be commencing proction on [April 10] and we should like to invite [you and your wife] 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 procts, both at home and overseas. We are inviting all those indivials 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 [overnight on April 10] will, of course, be made by us at our expense.
如您确能参加，请来函告知您抵达的时间 —— 以便我们为您安排会晤。当然，所有安排您在[10日晚间]夜宿的费用，皆将由公司代您支付。
4. 邀请来家中小住及周末聚会 An invitation for a house and weekend party
I hope [you and Fred] haven’t any plan for the weekend of [July twenty-fourth] as we’d like you to spend it with us at [Far Acres]. It’s simply beautiful here now, with everything in bloom!
I think we can promise [Fred] some good fishing this year. The fish are biting better than ever! So bring your fishing clothes; and be sure to bring your tennis things, too, because [the Owens] are coming and I’m sure you’ll want to get out on the courts with them.
There’s a very good train [Friday night]; I’ve marked it in red on the timetable. It gets you here about [seven-thirty] which is just in time for dinner. You can get a late train back [Sunday night], or there’s an early express that [Bob] usually takes on [Monday morning].
We hope nothing will prevent you from coming, as we’re looking forward to your visit … and I know [the Owens] are looking forward to seeing you again, too. Be sure to let us know what train you are taking so that [Bob] can meet you at the station.
5. 邀请参加招待会 An invitation for a reception
Dear [Mr. Smith]:
It would give [me/us] great pleasure to have your presence at a reception in honor of the Chinese delegation.
The reception will be held in the [the City Hall], on [Tuesday, October the fourth]. Cocktails will be served promptly at [six] to be followed b dinner at [eight].
[I/We] sincerely hope you can attend. Let [me/us] know.
6. 邀请演讲 Inviting someone to address a meeting
Dear [Dr. Rodger]:
[The English Department of Nankai University] would like to extend to you an invitation to be our guest speaker at the [annual conference] to be held at the [meeting room] at [eight] o’clock, [Saturday morning, December the thirtieth, 1993].
As you know, the department is interested in [the 20th century English literature] 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.
the...will be held on....
the activity is in honor of ...
you caan also bring...together with you.
may i have the honor of your accompany at dinner?
we sincerely/faithfully hope you can attend..
you will be my most respected guest to come to ...
please confirm your participation at your earliest conveience.
please let me know soon if you decide to come.
i shall be much oblined by a reply at your convenience.
——（活动的主题，时间. 地点）。i am writing to invite you to ...
the are some points you may to know about____./ring the____,we will have lots of activities you are interested in.first,______(具体内容1）sesond _____(具体内容2）
i believe that you will be interested in ______(受邀人参加理由）.
for one thing，——（参加理由1）.for another ____(参加理由2）.
since the ____will begin ____,is it possible ________?i am looking forward to your attending._________?i am looking forking to your attending,
I am greatly honored to formally invite you to participate in Mr. Old Fish’s wedding ceremony with Ms. Fujiwora to be held at Beijing Grand Hotel from 8 to 10 p.m. on April 1, 2019.
As you are a close friend of us, we would very much like you to attend the celebration and share our joy. The occasion will start at seven o’clock in the evening, with the showing of their wedding ceremony.
This will be followed by a dinner party. At around ten, we will hold a small musical soiree, at which a band will perform some works by Bach and Strauss.
If you do not have any prior appointment on April 1, we look forward to the pleasure of your company.