A2
Time Clauses
Use time clauses with 'when', 'while', 'before', 'after', and 'as soon as' to describe sequences and simultaneous actions.
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Complex Sentences
Clauses
Learn independent and dependent clauses, relative clauses, and clause types in English.
This category covers all essential clauses rules in English grammar — from foundational concepts for beginners to advanced patterns for fluent speakers. Whether you are preparing for an exam, improving your writing, or building a stronger understanding of English structure, these lessons provide clear explanations, real-world examples, and structured practice across all CEFR levels from A1 to C2.
24
Topics in this category
9
Lessons available
A1 → C2
CEFR coverage
Grammar Lessons
B1
That Clauses
Use 'that' clauses after verbs of thinking, believing, feeling, and reporting to express ideas and reported speech.
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B1
Relative Clauses
Use who, which, that, whose, where, and when to add information about people, things, and places.
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B2
Reduced Relative Clauses
Reduce relative clauses using present and past participles for concise writing.
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B2
Participle Clauses
Use present and past participle clauses to add information concisely.
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B2
Advanced Relative Clauses
Master defining and non-defining relative clauses with all relative pronouns.
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C1
Complex Participle Clauses
Use complex participle clause structures for concision in formal written and academic English.
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C1
Advanced Relative Clause Reduction
Reduce and simplify relative clauses in formal contexts using participles and infinitives.
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C2
Complex Embedded Clauses
Produce and interpret deeply embedded clause structures in formal written and academic English.
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