LATEST LESSONS
New lessons are added almost every week. Check out the most recent lessons on The Blue Tree. Which one looks practical, interesting, or inspiring?
How to criticise people
Practise collocations for criticising people, like slippery customer or pick a fight, and learn to use them naturally in everyday situations.
Tips for handling disagreements
Learn simple, practical strategies to handle disagreements and turn arguments into constructive conversations.
Idioms with parts of the body
Learn 35 practical idioms with parts of body and use them to discuss everyday topics.
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LIST OF CATEGORIES
There are 20 main categories, or subjects, of lessons on The Blue Tree. First five are about the English language, the next ten are about general interest, and last five relate to personal development.Â
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chronological catalogue
Browse through all the lessons using this chronological catalogue of lessons.Â
Learn how to use conditional sentences from characters from Star Wars
How the Work Hustle Hurts You – 3 Way to Avoid Burnout with Shade Zahrani
Negotiating tactics
Is Poland becoming a new European superpower
How to talk about winter sports – skiing and snowboarding
5 questions to guide your career choices
Are you on the right path professionally? Check out these five questions to guide your career choices. This lesson is based on Harvard Business Review management tip.
Speaking practice – a trip to the supermarket
Developing an argument – part 2 – personal comment
Structure your writing around one core idea
Test your prepositions in the business context – part 3
Test your prepositions in the business context – part 2
Leave a lasting memory using as few words as possible
Build luck into your Career
Unlimited memory by Kevin Horsley
Would you like to know how to remember words, events, names, etc. better? Here’re some great tips on how to improve your memory.
How to get your boss to recognize your work
What the Navy’s TOPGUN program really teaches you with Guy Snodgrass
How to take a brain break with Jim Kwik
Build a Stronger Work Ethic
English for business meetings
Negotiating deals
Buy Nothing Day
The English language is so confusing by Leikola Ismo
What we wear at -71°C in Yakutia
Learn what people in Yakutia when the temperature falls to -71C.
Talking point. Part 1. How to be diplomatic.
Test your question tags – part 1
Seven habits of highly effective people by Stephen Covey
Learn about Stephen Covey’s seven habits of highly effective people.
Make your writing clearer and more persuasive
Talking about weather – questions tags
Learn how to use question tags to talk about weather. This lesson includes a short video with Lucy.

































