English sentences and clauses — interactive lesson covering all four sentence types, eight clause types, gap fill, matching, sentence builder, listening, and error correction.
Interactive lesson · Grammar
English sentences & clauses
Simple, compound, complex and compound-complex sentences — and all the clauses that build them
What this lesson covers
Every English sentence is built from clauses. Understanding how clauses combine lets you write with greater precision, variety, and sophistication. This lesson covers all four sentence structures and eight clause types used in English.
4
Sentence types
8+
Clause types
2
Core clause roles
∞
Combinations
The key distinction in English grammar is between independent (main) clauses — which can stand alone as sentences — and dependent (subordinate) clauses, which cannot. Everything else builds from there.
Sentence types
Simple, compound, complex
Clauses
All clause types explained
Gap fill
Conjunctions & connectors
Matching
Sentence to type
Builder
Construct complex sentences
Listening
Identify structure by ear
Error correction
Fix punctuation & structure
My glossary
Save types to review
Sentences & clauses
Sentence types
Click a card to expand — then click each highlighted part of the structure formula to learn what it means
Sentences & clauses
Clause types
Click any clause type to expand its explanation and examples
Sentences & clauses
Gap fill
Choose the correct conjunction, connector, or relative pronoun, then press Check
Sentences & clauses
Matching
Match each sentence to its structural type or clause category
Sentences & clauses
Sentence builder
Tap a tile then tap the empty slot to place it — build grammatically correct complex sentences
Sentences & clauses
Listening exercise
Listen to each sentence and identify its structural type
Sentences & clauses
Error correction
One sentence has a structural or punctuation error — choose the correct version
Sentences & clauses
My glossary
Sentence types and clause types you have saved — click 🔖 Save on any card to add it here