Complex sentences use subordinate clauses to add detail. These clauses usually begin with a subordinate conjunction close subordinating conjunction Subordinating conjunctions link two clauses ...

To avoid creating a sentence fragment with a “subordinating conjunction,” watch out for dependency: In our student’s answer, the reason the landlord wanted to talk to his lawyer was dependent on ...

Sometimes you may want to expand a short sentence, in order to add more detail or meaning. Learn how to write complex sentences with this guide for KS3 English students aged 11-14 from BBC Bitesize.