2. VOCABULARY CLASSIFIED ACCORDING TO THE CONCEPT OF MORPHEME MC...

1.1.2.1. Vocabulary classified according to the concept of morpheme McCarthy (1990: 5) divides words into three kinds: simple, derived and compound. + Simple word : A simple word is one that consists of only a root morpheme, which can not be further subdivided such as eat, do, learn, live... + Compound word: Compound words are items that consist of more than one root but have a single identity in that they name a single thing or concept such as sewing machine, campground, electric fan.... + Derived word: A derived word is one that consists of a root and one or more derivational morphemes such as teacher, worker, helpful...