A collection of articles on EFL methodology for teachers at all levels of experience.
An ELT Glossary : Simple sentences, compound sentences, complex sentences, and compound-complex sentences
A simple sentence consists of one main clause. Examples :
John lives in Brighton.
A compound sentence consists of two or more main clauses linked by a co-ordinating conjunction (and, but, or). Examples :
John lives in Brighton but he works in London.
John lives in Brighton but he works in London and so he has to commute each day.
A complex sentence consists of a main clause and at least one subordinate clause. Examples :
Although he works in London, John lives in Brighton.
Although he works in London, John lives in Brighton where he has a lovely house by the beach.
A compound- complex sentence has at least two co-ordinated main clauses, plus at least one subordinate clause. Examples :
John works in London, but he lives in Brighton where he has a lovely house by the beach.
Probably the best grammar of English ever published....
Quirk, Greenbaum, Leech and Svartvik (1972), A Grammar of Contemporary English, Longman