Confused about the writing section of the OET? Look no further than my 11 page OET Writing Guide, which addresses everything, including: 
 
How to structure every letter
How to write a strong opening paragraph (with practice)
How to select the content for your paragraphs based on the type of letters
How to organize your paragraphs based on the type of letter
How to improve your grammatical accuracy with tenses and verb choices (with practice)
*Answers to practice exercises included!*