现代英语语法串讲Main points of Grammar Chapter One - The Structure of the English Sentence 1. Present the grammatical units that form a hierarchical order: A text consists of one or more sentences A sentence consists of one or more clauses A clause consists of one or more phrases A phrase consists of one or more words A word consists of one or more morphemes 2. Terms: (1) Morpheme: Morphemes are the minimal meaningful elements. (2) Free morpheme: A morpheme that can occur in
