Grammar
Four Kinds of Sentences
Each kind of sentence begins with a capital letter and has a special end mark.
A declarative sentence makes a statement and ends with a period.
A teacher needs a sense of humor.
An interrogative sentence asks a question and ends with a question mark.
Have you read this joke book?
An imperative sentence commands or requests and ends with a period. You is the understood subject.
Tell us a joke.
An exclamatory sentence shows strong feelings and ends with an exclamation mark.
I can't believe you said that!
An interjection is a word or a group of words that expresses strong feeling. It is not a complete sentence.
Wow!