This book is written for those intending to learn the word class in the grammar of English, especially for the novice or starters. It starts with the origins of the parts of speech and contains the explanation of the parts of speech alphabetically. Exercises are available to drill the readers’ comprehension upon completing reading a chapter. Those exercises are useful for the readers in order to implement the readers’ capability in identifying, classifying, analyzing sentences and finally writing down a using the part of speech about a certain topic.