AN INTERJECTION is a word thrown into a sentence to express a feeling of the mind. (Latin interjicio, I throw in.) Examples: Hallo, ha. THE DEFINITE ARTICLE The and the INDEFINITE ARTICLE A are always joined with nouns like adjectives. As this book is intended for older students it has not been thought necessary to adopt the method of deriving the reason for the names of the different parts of speech from examples. This is excellently done in a little book called How to tell the Parts