Writing to a friend is a common type of letter in IELTS General Training Task 1. These are Informal IELTS Letters.In General Training Writing Task 1, you are given a situation and you need to write a response of at least 150 words in the form of a letter. Here are examples of each letter type question. If you are a IELTS General Training student, I have some great news about Task One. These are IELTS sample letters, with questions and model answers showing you how to write informal, semi-formal, and formal letters. I've prepared a full sample letter for ielts general training writing task 1 and i'll also explain how you can write band 7 plus letters yourself. The IELTS general writing task 1 requires you to write a letter, it can be either a formal, informal, or semi-formal letter on a given subject.