This document defines and provides examples of different types of sentences: simple sentences contain one independent clause, compound sentences contain two or more independent clauses joined with coordinating conjunctions or semicolons, complex sentences contain one independent clause and one or more dependent clauses joined with coordinating conjunctions or subordinating conjunctions, and compound-complex sentences contain two or more independent clauses and one or more dependent clauses. Tips are provided on how different types of clauses can be joined within each sentence structure.