1. Using formats and original business letters to learn the structure and layout of business letters. 2. Always write and use sentences by following the sentence patterns most commonly used in business situations. 3. Overcome limitations by developing and reviewing a bank of new words and phrases to write more professionally. 4. Study sample letters of each kind carefully so as to get familiar with the right way of writing. 5. Make sentences, write and translate different letters by completing the exercises. 6. Read more real business letters from the Internet.