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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
Do not take small annoyances at work personally
The Surprising Habits of Original Thinkers
Joshua Bell and Aristotle
Expressing Opinions
10 Weather Idioms
Travelling Questions
Measure your adaptability
What makes a successful entrepreneur? Natalie Fratto claims that what matters most is adaptability.
Personality Survey
Martin Luther King
Ralph Waldo Emerson
Marie Curie Skłodowska
Welcome to storytelling
How to argue in English
How to be happy in English
Czy jesteś szczęśliwy? Czy wiesz jak o byciu szczęśliwym mówić po angielsku? Właśnie tego nauczy cię ta lekcja.
Rich and Poor
Czy chciałbyś być bogaty? A może już jesteś? W tej lekcji dowiesz się jak mówić o byciu bogatym i biednym po angielsku.
Money and happiness
How to disagree productively by Julia Dhar
Would you like to learn how to disagree productively? Watch this TED talk by Julia Dhar and find out why it matters so much to know how to argue.
Size Speed Significance
Responding to suggestions
Giving suggestions and recommendations
This lesson practises giving suggestions. It focuses on verb patterns. Students learn ways of giving suggestions and recommendations in everyday situations and in business writing.
Anton Chekhov
Grit: the power of passion and perseverance
How can you tell that someone is more likely to succeed in life? Angela Lee Duckworth believes that the key lies in a special kind of determination.
Killer Conversation Starters
Trends and Changes
How to talk about trends and changes in business? Learn some practical words and expressions for describing company performance.

































