Sentence forms in English language - simple sentence, compound sentence, complex sentence, compound-complex sentence phrases and clauses independent or principal clause (main clause), dependent or subordinate clause list of important coordinators and transitional expressions for compound sentences list of important subordinators for complex sentences double and multiple sentences definition and examples of simple, compound and complex sentencesSentence Forms - ComparisonSimple sentence -One independent clauseCompound sentence -Two or more independent clausesComplex sentence -One independent clause and one or more dependent (subordinate) clausesCompound-Complex sentence (Mixed Sentence) -Two or more independent clauses and at least one dependent (subordinate) clause