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. These are IELTS sample letters, with questions and model answers showing you how to write informal, semi-formal, and formal letters.The IELTS General Writing Task 1 measures your ability to communicate about common practical issues. You have 20 minutes to respond to a question prompt. In this post, you'll find writing prompts, templates, and model answers for formal and informal letters.