Yours, ... Your friend, ... Best wishes, ... All the best, ...
FORMAL GREETINGS
We are writing to invite you... I am contacting you to invite you... We request the pleasure of your company… We ask you to be present with us at …
FORMAL SIGN-OFF
Make sure you write soon! / Keep in touch! / Drop me a line if you have time! Take care of yourself! / Look after yourself!
FORMAL BODY (ABOUT THE EVENT)
INFORMAL/CASUAL INVITATION
FORMAL CLOSINGS
INFORMAL INTRODUCTION
FORMAL SITUATIONS OF INVITATION
FORMAL PURPOSE OF LETTER
INFORMAL SIGN-OFF
How are you? / How are things (with you)? / How's it going? / How’s life? I hope you’re fine. / I hope you and your family are well.
Sincerely, .../ Yours sincerely, … With appreciation,... Yours faithfully, …. Kind regards,...
INFORMAL SITUATIONS OF INVITATION
INFORMAL GREETINGS
The event is about … The festival celebrates… It includes …, …., and last but not least...
Let's... Why don't we...? How about going to...?
If you require more information ... For further details, contact ... Thank you for taking this invitation into consideration
INFORMAL CLOSING