This document discusses the parts of a sentence and different types of sentences. Every complete sentence contains two parts: a subject and a predicate. The subject is what the sentence is about, and the predicate tells something about the subject. There are four types of sentences: declarative, which makes a statement; interrogative, which asks a question; imperative, which gives a command; and exclamatory, which shows strong feeling. Examples are provided to illustrate subjects, predicates, and different sentence types.