Sentence Structure (simple, compound, complex, and compound-complex) PowerPoint for a Flip Book. Help your students learn the 4 different sentence structures and the importance of varying sentences in writing. How to create a flip book. Notes, explanations, and example sentences of these sentence structures: simple, simple with compound parts, compound joined by comma and conjunction, compound joined by a semicolon, complex with adverb clauses, complex with adjective clauses, and compound-comple