UK Castle Institute Academy
Learn English, level by level
36 lessons and interactive exercises from A1 to C2 — grammar, vocabulary, listening, reading, writing and speaking, with instant corrections and explanations.
Choose your level
Every level has lessons for the six skills plus timed tests with instant corrections.
- A1
A1 — Beginner
8 lessons · 6 tests
- A2
A2 — Elementary
8 lessons · 6 tests
- B1
B1 — Intermediate
5 lessons · 3 tests
- B2
B2 — Upper intermediate
5 lessons · 3 tests
- C1
C1 — Advanced
5 lessons · 4 tests
- C2
C2 — Mastery
5 lessons · 4 tests
Practise by skill
All lessons
36 lessons
- A1Grammar
The Verb "To Be" in the Present
Learn how to say who you are, where you are from and how you feel using am, is and are.
12 min Easy - A1Vocabulary
Greetings and Introductions
The words and phrases you need to meet someone, say your name and start a friendly conversation.
10 min Easy - A2Grammar
Past Simple: Regular and Irregular Verbs
Tell stories about finished events using -ed endings and the most common irregular verbs.
15 min Easy - A2Listening
Listening: Ordering in a Café
Understand a short café conversation and the polite phrases used to order food and drink.
12 min Easy - B1Grammar
Present Perfect or Past Simple?
Choose confidently between "I have done" and "I did" — the classic B1 decision.
18 min Medium - B1Reading
Reading: Understanding a Short News Report
Practise skimming for the main idea and scanning for details in a news-style text.
20 min Medium - B2Grammar
Conditionals: Zero, First, Second and Third
Express facts, plans, imagined situations and regrets with the four conditional patterns.
22 min Medium - B2Writing
Writing: A Formal Email of Complaint
Structure a polite but firm complaint that gets a result.
25 min Medium - C1Grammar
Advanced Cohesion and Linking
Move beyond "and" and "but" with linking devices that shape an argument.
25 min Challenging - C1Speaking
Speaking: Presenting and Defending an Argument
Structure a spoken argument, signpost your ideas and handle disagreement.
20 min Challenging - C2Vocabulary
Register, Nuance and Idiom
Choose the exact word for the exact situation, and use idiom without sounding dated.
22 min Challenging - C2Reading
Reading: Interpreting Implicit Meaning
Detect attitude, bias and implication in texts that never state their position openly.
25 min Challenging - A1Grammar
Present Simple: Daily Routines
Talk about habits and routines with the present simple, including the -s ending and negatives and questions with do/does.
15 min Easy - A1Grammar
A, An, The and Plural Nouns
Choose between a, an and the, and build regular and irregular plural nouns.
12 min Easy - A1Vocabulary
Numbers, Time and Dates
Say the time, prices and dates naturally, and use at, on and in correctly.
12 min Easy - A1Reading
Reading: A Student's Day
Read a short first-person text about a daily routine and answer comprehension questions.
10 min Easy - A1Listening
Listening: Asking for Directions
Follow simple street directions and learn the key phrases for finding your way.
10 min Easy - A1Writing
Writing: A Short Personal Profile
Write forty to sixty words about yourself using simple, correct sentences and basic linking words.
12 min Easy - A2Grammar
Comparatives and Superlatives
Compare people, places and things with -er, more, the -est and the most, plus as ... as.
15 min Easy - A2Grammar
Future: Going To, Will and Present Continuous
Choose the right future form for plans, predictions, arrangements and instant decisions.
15 min Medium - A2Vocabulary
Food, Quantities and Shopping
Use countable and uncountable food words with some, any, much, many and a few.
12 min Easy - A2Reading
Reading: An Email from a Friend
Understand the main ideas and details of an informal email and its invitation.
12 min Medium - A2Listening
Listening: Station Announcements
Catch platform numbers, delays and key travel information in public announcements.
10 min Medium - A2Speaking
Speaking: Small Talk and Keeping a Conversation Going
Open, extend and close a friendly conversation with natural questions and short answers.
12 min Medium - B1Grammar
Modals of Obligation and Advice
Use must, have to, should, ought to and had better to express rules, advice and absence of obligation.
15 min Medium - B1Grammar
Reported Speech
Report statements, questions and commands with the correct tense, pronoun and time changes.
16 min Medium - B1Vocabulary
Everyday Phrasal Verbs
Understand and use forty common phrasal verbs for daily life, work and study.
14 min Medium - B2Grammar
The Passive Voice
Form the passive in all main tenses and know when it is the natural choice.
16 min Medium - B2Grammar
Relative Clauses, Defining and Non-defining
Join sentences with who, which, that, whose and where, and punctuate both clause types correctly.
15 min Medium - B2Vocabulary
Collocations for Work and Study
Use the natural verb and noun combinations that examiners and employers expect.
14 min Medium - C1Grammar
Inversion and Emphatic Structures
Add emphasis with negative inversion, cleft sentences and fronting, as expected in advanced writing.
18 min Challenging - C1Writing
Hedging and Academic Style
Express claims with the right degree of caution and keep an appropriately formal register.
16 min Challenging - C1Reading
Reading: Technology and Attention
Identify argument, tone and implication in a demanding opinion text.
16 min Challenging - C2Grammar
Nuance in Discourse Markers
Select precisely among concessive, additive and consequential markers in sophisticated prose.
16 min Challenging - C2Vocabulary
Advanced Word Formation
Build precise nouns, adjectives and verbs with prefixes and suffixes, as tested in proficiency exams.
15 min Challenging - C2Reading
Reading: Evaluating an Argument
Weigh evidence, detect assumption and distinguish claim from support in a dense text.
18 min Challenging