This document defines and provides examples of different types of sentences: simple sentences contain a subject and verb, compound sentences contain two independent clauses joined by a conjunction, complex sentences have an independent clause joined by one or more dependent clauses introduced by a subordinator, and compound-complex sentences contain two independent clauses and one or more dependent clauses. It also discusses imperative sentences that give commands, declarative sentences that make statements, interrogative sentences that ask questions, and exclamatory sentences that express strong emotion.