Three Kinds of Sentences A complete sentence is writing’s basic building block. Remember when Goldilocks broke into the three bears’ house and ate their porridge? One bowl was too hot. One bowl was too cold. And one bowl was just right. Sentences are like that. Fragments are too short. Run-on sentences are too long. Complete sentences are just right. What is a Complete Sentence? A complete sentence has a subject, a verb, expresses a complete thought, and has proper punctuation. It can be as simple as Alex sings, or as complex as Alex sings loud enough to drown out the fist fight in the next room. In both cases,…