conn it is preceded by a semicolon and followed nce, comma. Complex Sentence 3 A complex sentence contains a subordinate clause or dependence clause such as noun clause, adjective clause or adverb clause and at least one main clause. The words used in subordinate clause are often the does WH-question(who, what, when, where etc.) but it is not show the meaning of question for answer but it the used for modifying noun being subject or object in sentence or describing the time of action happens