In very formal letters, you should
Here is a range of formal expressions for letters. This is not an exhaustive list, but an indication of the kind of language expected in very formal letters.
Opening |
I am writing to request, complain, thank etc |
Request for action |
I would be very grateful if you would/could… |
Apology |
I feel I must apologise for I owe you a full apology for Please accept my apologies for I apologise for any inconvenience I may have caused. |
Thanks |
Thank you for I am extremely grateful for I feel I must thank you for |
Making arrangements |
Would it be possible for you to Would it be convenient for you to May I make a suggestion? |
Pre-closing |
If you would like any further information, please do not hesitate to contact me. If I can be of any further assistance, please do not hesitate to contact me. Thank you for your attention in this matter. I hope this information has been of some help. With best wishes With very best wishes |
Closing |
I look forward to hearing from you. I look forward to your reply. |