These are IELTS sample letters, with questions and model answers showing you how to write informal, semi-formal, and formal letters. Formal letters are written to someone whom you do not know personally.IELTS General Training Task 1 questions are divided into two parts: the situation, which gives you information to explain the context, and the task. 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. In this post, you'll find writing prompts, templates, and model answers for formal and informal letters. This document provides tips for completing the IELTS general writing task 1 letter writing task. If you are a IELTS General Training student, I have some great news about Task One. 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. Please complete the Opt-out Credit Form for F1 International Students. Master Degree General Requirements.