Chapter 3&4 summary
于梦婷 翻译方向班 2014417791
Morphology --one of the scope of linguistics is instructed in chapter 3. Morphology refers to the part of the grammar that is concerned with word formation and word structure. Different rules apply to classify words.
First one is part of speech(词性). Second one is meaning expressed. Third one is different classes.
Verbs lexical words（content words）
Adjectives open class words
Words can be divided into Adverbs
Prepositions grammatical words（functional words） Articles closed class words Pronouns
Linguists define word as the smallest free form found in language. A free form is simply an element that does not have to occur in a fixed position with respect to its neighboring elements；in many cases, it can even appear in isolation. For instance,
The boys left. The plural marking -s is not a free form. The most important component（部分） of a word structure is the morpheme（词素, 形态素） t he smallest unit of language that carries information about meaning or function.
Free and bound morpheme