I can understand the description of events, feelings and wishes in personal letters well enough to correspond with a pen friend. I can understand formal letters about participating in projects, conformation of arrangements, requests for information, etc.
1. ESLeschool
On this website you will find various short messages and your task is to check whether you understand the messages.
2. (Formal) Letters
Read several (at least 5) letters on this website. List a few thing which are typical of these types of letters. Try to list items about structure and vocabulary.