How to Teach English (Jeremy Harmer) is probably the most basic general guide, and also mentions other books that you could read.
Here are some other TEFL books and resources the i-to-i team would recommend:
This book explains the methodology and has a collection of lesson ideas and activities for teaching who want to live in the moment in the classroom.
Learning Teaching by Jim Scrivener
This is a guide for new and old teachers. There’s some methodology and a lot of teaching ideas and activities. This book really helps the reflective teacher who wants to develop their skills.
The book consists of short entries for key topics and terms in ELT, just the thing to help you remember the difference between inductive or deductive learning or which order the different stages in the PPP model come in.
This book gives ideas for lessons based around grammar items or vocabulary topics. If you can’t think of an activity to get your students using the past continuous, you’ll find ideas in this book.
Like 700 Classroom Activities, this book gives ideas for lessons based around grammar items or vocabulary topic but specifically for teaching English to primary-aged children.
This book is the indispensable reference book on language problems in English for teachers and higher -level learners. It’s easy to navigate and the grammar explanations are practical and pedagogically sound. This one will help you develop the confidence to teach some fairly complex linguistic items.
A teacher’s staple for many years but still probably the best there is. You’ll never run out of warmers and coolers if you’ve got this with you.
Everything you’ve ever wanted to know about pronunciation and how to teach it, from another of the TEFL legends.
English grammar and tenses are, whether you like it or not, important and this not only explains everything in manageable chunks but also gives great ideas for lessons and practice.
Almost wherever you teach you’re going to be faced with young learners at some stage, so why not be prepared with this excellent book providing a whole host of activities and suggestions?
This book provides loads of great ways to teach and explore that all important grammar, whilst having fun at the same time.
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