Use these enjoyable sentence structure worksheets to bolster your test prep resources. Questions are written specifically for Grades 3 and 4, and with 175 questions, you can be sure your students will encounter a variety of themes and topics. More on this sentence structure product below. Main Focus:Simple Sentences, Compound Sentences, Complex Sentences, Complete Sentences, Statements, Predicates, Commands, Exclamations, Sentence Fragments, Interrogative, Declarative, Exclamatory, Imperative,