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?
What’s behind the Ozempic fad
Explore how Ozempic is reshaping health, habits, and society — a clear look at its real benefits, hidden risks, and long-term impact.
Toys vs screens
This lesson discusses the impact of screens on the way children play and the value of toys.
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.
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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
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.Â
After a vacation
Chyba nikt nie lubi wracać do pracy po urlopie, czyż nie? Te pierwsze dni mogą być naprawdę trudne. W tej lekcji przeczytasz o tym, jak sobie radzić z powrotem do pracy po urlopie.
How to Disagree Productively
How do you feel when there is a conflict at work? Would you like to learn how to disagree productively? Here are some tips from HBR on how to manage conflict at work.
Expressing Opinions
Learn to express opinions in English. This lesson contains two useful mind-maps. You will also learn a formal framework for expressing opinions.
Measure your adaptability
What makes a successful entrepreneur? Natalie Fratto claims that what matters most is adaptability.
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
Would you rather be happy or rich? Can money buy happiness? Watch a video by Bloomberg and find out the answer to these interesting questions.
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.
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.
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.
Trends and Changes
How to talk about trends and changes in business? Learn some practical words and expressions for describing company performance.
Secrets of Learning Languages with Lydia Machova
Do you know any polyglots? How many languages would you like to speak? What are the secrets of learning languages? Find out in this lesson based on a TED talk by Lydia Machova.
Present Perfect or Past Simple
Czy wiesz jak zbudować zdanie, które skupi się na rezultacie czynności, a nie jej samej po angielsku? W tej lekcji dowiesz się, lub sobie przypomnisz, jaka jest różnica między czasami gramatycznymi: Present Perfect oraz Past Simple
How adults learn: ANDRAGOGY
Do children and adults learn in the same way? learn how adults learn from this lesson about andragogy.
Can money buy happiness?
Czy za pieniądze można kupić szczęście? Zobacz co inni myślą na ten temat i zostaw swoją opinię.
Spoken responses – 1
Czy mówić po angielsku wciąż tłumaczysz sobie w głowie zanim powiesz? Ta lekcja nauczy cię jak reagować na codzienne sytuacje. Naucz się tych zwrotów na pamięć.
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.
You must log in to see content.



















