Which of the following statements is INCORRECT according to what we’ve learned in this section?
A、The study of the internal structure of words, and of the rules by which words are formed, is called morphology.
B、A morpheme is the minimal linguistic sign, a grammatical unit in which there is an arbitrary union of a sound and a meaning and that cannot be further analyzed.
C、Open classes of words are open in the sense that they do not have rigid boundaries and most of them are function words.
D、Conjunctions, prepositions, pronouns and articles constitute closed classes of words.
A、The study of the internal structure of words, and of the rules by which words are formed, is called morphology.
B、A morpheme is the minimal linguistic sign, a grammatical unit in which there is an arbitrary union of a sound and a meaning and that cannot be further analyzed.
C、Open classes of words are open in the sense that they do not have rigid boundaries and most of them are function words.
D、Conjunctions, prepositions, pronouns and articles constitute closed classes of words.