Sentences

A sentence is a group of words that expresses a complete thought. It usually includes a subject and a predicate and may be used to make a statement, ask a question, give a command, or express strong emotion.

Start with What Is a Sentence? for the basic definition, parts, types, and common errors. You can then explore detailed lessons on subjects, predicates, objects, complements, sentence structures, fragments, run-on sentences, and comma splices.