3.1 introdution to personal business letters
3.2 letter of invitation
3.2.1 personal formal invition letter
3.2.1.1 paragraph of letter of personal formal invitation and expressions
format : normally
style / tone / voice : the professional should be written in a formal tone and use the third person pronoun and noun .
structure : 1. who is offering invitation?
handy phrases: sample sentences used to invite can be as follows.