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?
Hot 21 – make or do
HOT 21 – new series of tests with 21 items for you to solve. We open the series with a test on collocations with “make” and “do”.
Test your question tags – part 2
How good are you at using question tags?
Life changing stories – Michele – part 3
Moods are weather
Learn to talk about moods. What do you say, for example, when you are a bit confused and not know which way to go?
You must change
Mars 500 mission
INTERACTIVE SEArCH
Use the search engine below to find lessons for yourself. You can filter lessons by titles, categories, tags, or levels.
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.
MY ENGLISH DICTIONARY
Add new and interesting words from this lesson to your English dictionary.
Store your words and expressions in this handy dictionary. You can create groups and play games based on your entries. There is also a practical importing feature.
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chronological catalogue
Browse through all the lessons using this chronological catalogue of lessons.
Making contacts – small talk
Meet Pete – My Dream Job – Chapter 1
Test your prepositions in the business context – part 1
Uses of Present Simple and Present Continuous Tenses
Test your understanding how we use Present Simple and Present Continuous tenses in English.
Vocabulary about Moods and Feelings with Lucy
Why Having Fun Is the Secret to a Healthier Life by Catherine Price
Vocabulary about memory and learning with Lucy
Atlas of the Heart by Brene Brown
Write Concisely and Clearly
How to talk about likes and dislikes with Lucy
Describing managers and colleagues with Lucy
Pinkcast. This is how to make progress every day.
Phrasal verbs about problems and environment with Lucy
The Story of Ada Lovelace: The World’s First Computer Programmer
Learn about Ada Lovelace, daughter of the famous poet Lord Byron, is considered the world’s first computer programmer.
Make yourself valuable, not irreplaceable
Hypothesizing – imaginary situations – second conditional
What’s the missing word – part 2
A lesson in word-formation. 7 key words for business English and 21 words in total. Audio examples included.
Interview with a Human Resources Director – part 1
Why it is awesome that your brain can experience awe
Why it is awesome that your brain can experience awe – learn the answer from an insightful article from the Washington Post
Comments and opinions
In a Rut. Try These Simple Approaches to Re-Energize Yourself
The Trick to Regaining Your Childlike Wonder by Zach King
Watch this hilarious presentation and regain your childlike wonder. Let Zach King wake up your imagination and creativity.
Break your procrastination habit
Learn how to break procrastination habit in this lesson based on an article from Harvard Business Review.
Let’s touch base. 15 English idioms to use at work
Learn 15 practical idioms to use at work. This lesson is based on a Youtube video by Emma from mmmEnglish.
Seven Phrasal Verbs
Learn seven practical, everyday phrasal verbs. – part 2
Idioms about negative emotions with Lucy
Life Begins at the End of Your Comfort Zone
The Art of Balancing Stones
Czy słyszałeś kiedyś o czymś takim jak ustawianie kamieni? Jak dowiesz się z tej lekcji, to naprawdę trudna, ale i piękna, forma sztuki.
Queen Elizabeth II: her reign in numbers
Lesson about Queen Elizabeth and her remarkable reign. Facts and numbers. Lesson based on a video from The Economist.
Pinkcast. The Drucker Memo
Learn how Drucker Memo can help you make better decisions. This lesson is based on Daniel Pink’s video.