A compound complex sentence is when you combind a compound sentence and a complex sentence.

A compound sentence has 2 or more coordinate independent clauses. A complex sentence is made from a dependent and independent clauses joined together.

Simple sentence, compound sentence, complex sentence and compound complex sentence.

simple sentence compound sentence complex sentence compound-complex sentence

The difference between a compound sentence and a complex sentence is that a compound sentence has two independent clauses, connected by a Coordinator. A complex sentence on contains one independent clause. A complex sentence also always contains a subordinator.