邀请函写作要简要精练、语意连贯、首尾呼应，符合礼仪文书的行文要求。在不断进步的社会中，我们会经常接触到邀请函，到底应如何拟定邀请函呢？下面是整理的正式的英文邀请函【3篇】，在大家参照的同时，也可以分享一下给您最好的朋友。
Dear father:
thisletter is inviting you to come to usa to see us together with mother li, and living with us for 4 months in 1625 pleasant ave, auburn ca, usa. youwill come to america with my girl friend xiaoai on 11, february and returnto china with your grandson jiheng nie on 11, june.
we willpay all the fees for your living and traveling in usa, and the plane ticketsfor coming to usa and returning to china. during you staying in usa, we will visitseveral famous cities: lake-tahoe, reno, san-francisco area, los angeles, las vegasso on. you will see how the people in usa live and a little about our day to day living in auburn, ca.
we believe that you will enjoy traveling in the usa and we look forward to being able to spend time with you and mother.
your daughter ：mg
your son-in-law ： tedd
your grandson: nig
Dear SirMadam,
I,XX, residing at add:XXXXXXX, would like to invite my sister(XXX)， residing at add:XXXXXX, China P R, to visit me in Italy for about three months starting from 20 October.
The purpose of the visit is for tourism within Italy. During their visit, they will stay with me at the above address and I will be reonsible for all their expenses including the round trip air fare to Italy, food, housing, travelling within Italy, insurance and all other expenses.
I will make sure that my sister will leave Italy before the expiration of their authorized stay. Please kindly grant them Temporary Resident Visas.
Please do not hesitate to contact me via telephone at XXXX-XXX or E-mail me at XXXX@hotmail if you have any questions.
Best regards
Dear [Mr. Harrison]:
Our new factory will be commencing production 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 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 [overnight on April 10] will, of course, be made by us at our expense.
Yours faithfully,
XXX