It is relatively easy to write a letter to a friend to wish him happy birthday. Start by wishing him a happy birthday, then consider telling what makes him your friend. On the other hand, consider telling a story that you remember about something you did together.
write what you feel.
friend
write a birthday card and give it to them :)
write letter to your pen-friend about your pe
Write a letter to your friend asking him about his health
Yes, a friend can write a letter of recommendation for you, but it is generally more effective to have someone in a professional or academic position write it.
anything you have in common
There is different ways to write a informal letter to a friend. You can start with the name and write the body.
You need to write this. No one can do it for you because it has to be from you. He/she is your friend so use that foundation for your letter.
Try: I'm glad you are my (friend, nephew, daughter, etc.)! Happy Birthday! Love/Your Friend, (Your Name)
do you mean how to write it?
There are no real guidelines when writing a letter to a friend. You should write a personal letter and put a small birthday invitation card in with the letter with the date; time; telephone number; email address and where the birthday party is being held or you can give all this information in the body of the letter.